Chapter 13.16
SEWERS

Sections:

13.16.010    General requirements.

13.16.020    Administration of chapter provisions.

13.16.030    Definitions.

13.16.040    Unsanitary deposit of waste unlawful.

13.16.050    Discharge of certain liquids unlawful – Exceptions.

13.16.060    Construction of privies, septic tanks and cesspools.

13.16.070    Installation and connection of toilet facilities required.

13.16.080    Private sewage system – Permitted when.

13.16.090    Private sewage system – Construction – Inspection required.

13.16.100    Private sewage system – Construction – Specifications.

13.16.110    Public sewage system – Public sewer availability – Connection required.

13.16.120    Private sewage facilities – Operation and maintenance.

13.16.130    Chapter provisions not exclusive.

13.16.140    Public (side) sewer connection – Permit required.

13.16.150    Permits for building side sewers – Classifications – Application.

13.16.160    Permit – Display required.

13.16.170    Permit – Time limitations.

13.16.180    Permit – Renewal fees.

13.16.190    Permit – Connection without prohibited.

13.16.200    Building sewer expense and installation responsibility.

13.16.210    Permit fees.

13.16.220    System development charges.

13.16.230    Bond required.

13.16.240    Liability insurance.

13.16.250    Building sewers – Separate connection required – Exceptions.

13.16.260    Old building (side) sewers – Permitted when.

13.16.270    Building (side) sewers – Construction requirements.

13.16.280    Building (side) sewers – Record drawings.

13.16.290    Building (side) sewers – Ownership.

13.16.300    Private building (side) sewer replacement/repair – Permit.

13.16.310    Lifting by artificial means – Permitted when.

13.16.320    Inspection and testing.

13.16.330    Filling trenches – Inspection required.

13.16.340    Testing methods.

13.16.350    Protecting excavations – Public property to be restored.

13.16.360    Stormwater and unpolluted drainage.

13.16.370    Prohibited discharges designated.

13.16.380    Pretreatment device required when.

13.16.390    Interceptor and trap maintenance.

13.16.400    Preliminary treatment facilities – Required when.

13.16.410    Preliminary treatment facility maintenance.

13.16.420    Manhole requirement.

13.16.430    Measurements, tests and analyses.

13.16.440    Special agreements with industrial concerns.

13.16.450    Sewer blockage.

13.16.460    Authority to inspect.

13.16.470    Violation – Unauthorized tampering – Penalty.

13.16.480    Violation – Notification.

13.16.490    Violation – Continuation – Penalty.

13.16.500    Violation – Liability.

13.16.010 General requirements.

A. The following rates and regulations are established for the control of the Sumner municipal sewer system. In the event of any conflicting provisions or requirements between the stipulations of this chapter and any other existing ordinances, the provisions or requirements of this chapter shall control.

B. The design and installation of all sewer mains and appurtenances shall be in accordance with the Sumner Development Specifications and Standard Details and applicable provisions of the following:

1. SMC Title 13, Public Services;

2. Chapter 15.24 SMC, Fire Code;

3. Chapter 15.44 SMC, Mechanical Code;

4. Chapter 15.48 SMC, Plumbing Code;

5. Chapter 17.28 SMC, Subdivision Development Standards;

6. WSDOT Standard Specifications for Road, Bridge, and Municipal Construction, latest edition;

7. Department of Ecology Criteria for Sewage Works Design.

In the event of conflict between the Sumner Development Specifications and Standard Details, WSDOT specifications, and Ecology standards, the Sumner Development Specifications and Standard Details shall take precedence. The manufacturer’s recommended installation procedures shall be adhered to. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.020 Administration of chapter provisions.

The public works director shall administer this chapter. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.460)

13.16.030 Definitions.

For the purpose of this chapter, the words or phrases in this section shall have the following meanings:

1. “Best management practices (BMPs)” means a technique or methodology that, through experience and research, has proven to reliably lead to a desired result.

2. “BOD (denoting biochemical oxygen demand)” means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20 degrees Celsius, expressed in parts per million by weight.

3. “Building drain” means that part of the lowest horizontal piping of a drainage system which receives the discharge from pipes inside the walls of the building and conveys it to the building sewer, beginning five feet outside the inner face of the building wall.

4. “Building (side) sewer” means the extension from the building drain to the public sewer or other place of disposal.

5. “City” means the city of Sumner, Washington, or as indicated by the context, and may mean the sewer department, sewer superintendent, clerk-treasurer, engineer, public works director or other employee or agent representing the city in the discharge of his duties.

6. “City engineer” means the city engineer of the city. Any act in this chapter required or authorized to be done by the city engineer may be done on behalf of the city engineer by an authorized professional engineer of the engineering department.

7. “Combined sewer” means a sewer receiving both surface runoff and sewage.

8. “Council” means the city council of the city of Sumner.

9. “Sumner Development Specifications and Standard Details” means those standard specifications and details which have been prepared by the city engineer. These Development Specifications and Standard Details are applicable to public works construction, construction of systems that will be owned and/or maintained by the city, or construction of systems that will connect to the city’s system.

10. “Equivalent residential unit (ERU)” means a unit of measurement to determine system development charges and shall be based on 200 gallons per day of domestic wastewater with a strength of 250 mg/l of BOD5 and TSS (denoting total suspended solids) and an ammonia concentration of 25 mg/l and oil and grease concentration of 10 mg/l.

11. “Fats, oils and greases (FOG)” means organic compounds derived from animal and/or plant sources that contain multiple carbon triglyceride molecules. These substances are detectable and measurable using analytical procedures established in Title 40 of the Code of Federal Regulations, Part 136 (40 CFR 136).

12. “Garbage” means solid wastes from the preparation, cooking and dispensing of food and from the handling, storage and sale of produce.

13. “Grease interceptor” means a device designed and installed so as to separate and retain deleterious, hazardous, or undesirable matter from normal wastes and permit normal sewage or liquid wastes to discharge into the disposal terminal by gravity. A grease interceptor is an interceptor of at least 750-gallon capacity to serve one or more fixtures and which shall be located to allow proper access for inspection and maintenance for continuous operation.

14. “Grease trap” means a device designed and installed so as to separate and retain deleterious, hazardous, or undesirable matter from normal wastes and permit normal sewage or liquid wastes to discharge into the disposal terminal by gravity. A grease trap shall be sized to accommodate 25 gpm/50 lbs. minimally and shall be located to allow access for inspection and maintenance.

15. “Industrial wastes” means the liquid wastes from industrial processes as distinct from sanitary sewage of a domestic nature.

16. “Natural outlet” means any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.

17. “Person,” “customer,” “owner,” “occupant” or “agent,” wherever used in this chapter, means and includes natural persons of either sex, associations, copartnerships and corporations whether acting by themselves or by an agent or employee; the singular number shall be held to include the plural and the masculine pronoun to include the feminine.

18. “Premises” means a continuous tract of land, building or group of adjacent buildings under a single control with respect to use of sewers and responsibility for payment therefor. Subdivisions of such use or responsibility shall constitute a division into separate premises as defined in this section.

19. “Properly shredded garbage” means the wastes from the preparation, cooking and dispensing of food that have been shredded to such degree that all particles will be carried freely under the flow of conditions normally prevailing in public sewers, with no particle greater than one-half inch in any dimension.

20. “Sanitary sewer” means a sewer which carries sewage and to which storm, surface and ground waters are not intentionally admitted.

21. “Sewage” means a combination of the water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface and storm waters as may be present.

22. “Sewage treatment plant” means any arrangement of devices and structures used for treating sewage.

23. “Sewer main” means a watertight pipe carrying wastewater in which all owners of abutting properties have equal rights and which is controlled by public authority.

24. “Shall” and “May.” Shall is mandatory; may is permissive.

25. “Side sewer” is the watertight pipe carrying wastewater from a building or facility to the sewer main. Side sewer refers to the pipe beginning five feet outside of the building to the tee connection at the sewer main.

26. “Storm sewer” or “storm drain” means a sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.

27. “Sumner municipal sewer system” means the system of conduits, pumps, treatment plants and structures used for the purpose of conveying from their source, treating in any manner, and conveying to final points of disposal all wastes of any nature permitted by this chapter to enter the system. Specifically included as integral parts of the system are all conduits of any nature forming a part of the general network, all pumps, treatment plants and structures of any kind used in connection with the collection, treatment and disposal of the wastes handled by the system and all appurtenances to any of the above, either physically or functionally connected therewith.

28. “Superintendent” means the superintendent of the sewer department of the city. Any act in this chapter required or authorized to be done by the superintendent may be done on behalf of the superintendent by an authorized employee of the sewer department.

29. “Suspended solids” means solids that either float on the surface of, or are in suspension in, water, sewage or other liquids, and which are removable by laboratory filtering with a pore opening of 47 microns.

30. “Watercourse” means a natural earthen channel or ditch in which a flow of water occurs, either continuously or intermittently. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.020)

13.16.040 Unsanitary deposit of waste unlawful.

It is unlawful for any person to place, deposit or permit to be deposited in an unsanitary manner any human or animal excrement, garbage or other objectionable waste upon public or private property within the city, or in any area under the jurisdiction of the city. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.030)

13.16.050 Discharge of certain liquids unlawful – Exceptions.

It is unlawful to discharge to any natural outlet within the city, or any area under the jurisdiction of the city, any sanitary sewage, industrial wastes or other polluted waters, except where suitable treatment has been provided in accordance with subsequent provisions of this chapter. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.040)

13.16.060 Construction of privies, septic tanks and cesspools.

Except as provided in this chapter, it is unlawful to construct or maintain any privy, privy vault, septic tank, cesspool or other facility intended or used for the disposal of sewage. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.050)

13.16.070 Installation and connection of toilet facilities required.

The owner of all houses, buildings or properties used for human occupancy, employment, recreation or other purpose, situated within the city and abutting on any street, alley or right-of-way in which there is now located a public sanitary sewer of the city, is required at his expense to install suitable toilet facilities therein and to connect such facilities directly with the proper public sewer in accordance with the provisions of this chapter within 90 days after date of official notice to do so; provided, that the public sewer is within 200 feet of the property line. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.060)

13.16.080 Private sewage system – Permitted when.

Where a public sanitary sewer is not available under the provisions of SMC 13.16.070, the building sewer shall be connected to a private sewage disposal system complying with the provisions of this chapter and the rules and regulations promulgated by the Tacoma-Pierce County health department for on-site sewage disposal facilities. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.070)

13.16.090 Private sewage system – Construction – Inspection required.

A permit for a private sewage disposal system shall not become effective until the installation is completed to the satisfaction of the Tacoma-Pierce County health department and the public works department. The county health department shall be allowed to inspect the work at any stage of construction and, in any event, the applicant for the permit shall notify the county health department when the work is ready for final inspection, and before any underground portions are covered. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.100 Private sewage system – Construction – Specifications.

The type, capacities, location and layout of a private on-site sewage disposal system shall comply with all recommendations and be approved by the Tacoma-Pierce County health department. No permit shall be issued for any private sewage disposal system employing subsurface soil absorption facilities where the area of the lot is less than 15,000 square feet. No septic tank or cesspool shall be permitted to discharge to any public sewer or to any natural outlet. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.110 Public sewage system – Public sewer availability – Connection required.

At such time as a public sewer becomes available to a property served by a private sewage disposal system, as provided in SMC 13.16.070, and only when the private sewage system fails or is ruled as a health hazard by the county health department, a direct connection shall be made to the public sewer in compliance with this chapter, and any septic tanks, cesspools and similar private sewage disposal facilities shall be decommissioned, filled with suitable material, inspected and proper paperwork completed in accordance with the rules and regulations of the Tacoma-Pierce County health department in effect at the time of decommissioning. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.120 Private sewage facilities – Operation and maintenance.

The owner shall operate and maintain the private sewage facilities in a sanitary manner at all times, at no expense to the city. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.130 Chapter provisions not exclusive.

No statement contained in this chapter shall be construed to interfere with any additional requirements that may be imposed by the Tacoma-Pierce County health department or the Department of Ecology. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.140 Public (side) sewer connection – Permit required.

No person shall uncover, make any connections with or operate into, use, alter or disturb any public sewer or appurtenance thereof without first obtaining a permit from the city at the permit center. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.150 Permits for building side sewers – Classifications – Application.

There shall be two classes of site development permits associated with building side sewer construction:

A. For domestic sewage generated by residential, institutional, industrial and commercial service; and

B. For service to establishments producing industrial wastes. Industrial sewer applicants shall be required to submit an industrial user survey and enter into an industrial WWTF agreement.

In either case, the owner or his agent shall make application on a form furnished by the city at the permit center. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.160 Permit – Display required.

The permits required from the city engineer under the terms of this chapter must be posted in some conspicuous place at or near the work at all times during the performance of the work and until it is completed. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.170 Permit – Time limitations.

Permit time limitations shall be as established in chapter 15.74 SMC. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.180 Permit – Renewal fees.

Permit renewal fees shall be as specified in chapter 15.74 SMC. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.190 Permit – Connection without prohibited.

In case any police officer, building official, engineer, health officer or any other city employee finds any person engaged in the work of breaking ground for the purpose of making connections with a public or private sewer or drain, or private septic tank, then it shall be their duty to ascertain if that person has a permit from the city engineer to make such sewer connections. In the event that this person has no permit for making such connection, it shall be the duty of the officers or personnel to immediately report the fact to the city engineer and/or building official. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.200 Building sewer expense and installation responsibility.

All construction, costs and expenses incident to the installation and connection of the building sewer to the sewer main shall be the responsibility of the property owner. All work within the street right-of-way shall be done by a contractor bonded/licensed in Washington State and the city of Sumner and experienced in performing this type of work. The owner or his contractor shall indemnify the city from any loss or damage that may directly or indirectly be occasioned by the installation of the building sewer. The city may choose to construct the side sewer portion located in the public right-of-way. The applicant shall bear the full cost of labor including benefits, materials and equipment with a 1.25 multiplier to cover indirect costs. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.210 Permit fees.

A. Permit Fee for Domestic Waste. Upon issuance of a complete permit for domestic sewage as outlined in SMC 13.16.150, the applicant shall pay a nonrefundable permit fee in the amount as set forth in subsection C of this section. Said fee shall be full compensation for processing, review, approval and inspection of the work. This fee does not cover any cost for the installation of said sewer. The total fee for permit approval shall be the sum of the elements outlined in subsection C of this section. Plan review fees shall be accrued until the construction plans are approved for construction. Accrued review fees shall be paid regardless of whether a permit is issued. Inspection fees shall be accrued until final project approval and shall be assessed to the permittee as they are accrued.

Burdened rates for city staff are actual salaries plus benefits with a 1.25 multiplier to cover indirect costs. city staff burdened rates are specific in the Sumner utility rate and fee schedule.

B. Permit Fee for Industrial Waste. Prior to submitting an application, the applicant shall meet with the public works director and superintendent of the wastewater treatment plant or their designate to determine if the city of Sumner is willing and capable of conveying and treating the proposed waste. If the public works director determines that the city is capable and willing to accept the waste load as represented by the applicant, he shall notify the prospective applicant in writing that they may proceed with making a formal application for service. At that time the applicant shall fill out an industrial waste survey, provide complete plans, specifications and calculations of proposed pretreatment facilities, flow measurement and sampling station. Said notification does not bind the city to provide the service if additional or different information comes to light during the application review process. Upon issuance of a permit for a sewer connection for industrial waste, the applicant shall pay a nonrefundable permit fee in the amount as set forth in subsection C of this section. Said fee shall be full compensation for processing, review and approval of the permit and inspection of the work.

C. Permit fees for domestic and industrial side sewer permits are as follows:

1. Base Permit Fee.

• For all users discharging domestic sewage: $195.00;

• Private side sewer replacement/repair: $60.00;

• Industrial waste discharges: $400.00.

2. Plan Review Fee.

• One hour x current engineering burdened rate (minimum);

• In-house plan review fee: Hours x current engineer burdened rate;

• Third-party review fees as billed to the city, including city administrative costs.

3. Inspection Fee.

• Two hours x current inspector burdened rate (minimum);

• ([[# LF Sewer/150] x 4] + 10) x current inspector burdened rate;

• Additional inspection as warranted: Number of hours x current staff burdened rate. (Ord. 2356 § 2 (part), 2011: Ord. 2348 § 1, 2011; Ord. 2339 § 1, 2010: Ord. 2077 § 1 (part), 2004)

13.16.220 System development charges.

A. It is the policy of the city that all property owners seeking to connect to the city sewer system shall bear their equitable share of the cost of the general facilities of such system. Therefore, a system development charge may be paid either (1) upon the approval of a building (side) sewer permit application and prior to any construction, or (2) deferred according to subsection (D) of this section to the city at the city’s finance department. The cost of such system development charge shall be computed according to the following schedule:

1. The fee for connection to the city sewer system shall be assessed per equivalent residential unit (ERU) as defined in SMC 13.16.030. All commercial, institutional, and industrial users discharging domestic sewage shall pay the system development charge per ERU as defined in SMC 13.16.030 for the amount of sewage that would be discharged to the city sewer system at full use of the intended facility or building. The system development charge per ERU is specified in the following list. This list shall be used in determining the number of ERUs for the building unless the applicant has a minimum of three previous years of water meter records at their present location that would more accurately reflect the waste load generated by the facility. The city engineer may choose to use the data submitted rather than determining the number of ERUs from the list. All ERU calculations used to determine system development charges shall be carried to the nearest 0.01 ERU.

Single-family residence

1.0

ERU per unit

Multifamily residence

0.75

ERU per unit

Accessory dwelling units

0.5

ERU

Retail

1.25

ERU per 1,000 sq/ft of building

Restaurant

0.14

ERU per occupant load

Assembly

0.08

ERU per occupant load

Office

0.8

ERU per 1,000 sq/ft of building

Industrial domestic

0.1

ERU per 1,000 sq/ft of building

High cubed warehouse

0.03

ERU per 1,000 sq/ft of building

Mobile home park

1.0

ERU per space

Motel

0.65

ERU per room

Service station

4.0

ERU per pump

Mini-mart

6.0

ERU per pump

Industrial waste loads shall pay a system development charge based on the number of ERUs as defined in SMC 13.16.030 (since industrial wastes are different in strength and composition). Four parameters in the definition of an ERU shall be weighted as follows in calculating the number: Flow, five-day BOD and TSS shall each be weighted at 0.3 and ammonia shall be weighted at 0.1.

2. Sixty-five percent of the fee shall be used for the treatment/disposal system upgrades.

3. Thirty-five percent of the fee shall be used for pump stations, force mains and sewer interceptor system upgrades.

B. Effective October 1st of each year, the system development charge shall be adjusted according to the Seattle Construction Cost Index (SCCI). The schedule of system development charges for the sewer is specified in the Sumner utility rate and fee schedule, as amended from time to time, available online and at City Hall.

C. The system development charges collected under this chapter shall be deposited in the utilities capital reserve fund and used only for utility system improvements.

D. Deferral of Payment of System Development Charges. An applicant for a building permit or site development permit may request a deferral of the full system development charge payment until final inspection or 18 months from the date of original permit issuance, whichever occurs first. Deferral of system development charges, and the application process for a deferral, shall be in accordance with the provisions and requirements of SMC 3.50.115(A)(1) through (11) as currently written or hereafter amended. (Ord. 2711 § 4, 2019: Ord. 2660 § 2, 2018; Ord. 2473 § 1, 2014; Ord. 2435 § 1, 2013: Ord. 2417 § 1, 2012; Ord. 2368 § 1, 2011: Ord. 2356 § 2 (part), 2011)

13.16.230 Bond required.

A. Building (Side) Sewer – Street Restoration Bond. No permit shall be issued under the provisions of this chapter for any disturbance of the right-of-way until the applicant therefor executes and delivers the city street restoration bond, or an assignment of funds in lieu of bond, in the sum of $5,000, or 120 percent of the cost of the project, whichever is greater, with surety approved by the city treasurer conditioned on the faithful performance of the provisions of this chapter. The bond shall be conditioned that the applicant acting under the permit shall restore said street, alley, public place or right-of-way to its former condition within the time specified by the city engineer or his or her designee. Such bond shall further be conditioned to indemnify and hold harmless the city from any and all judgments, costs or expenses arising from injuries or damage to any person or property on account of such work. Such bond shall remain in full force and effect for a period of one year following final project approval.

B. Sewer Main and Appurtenances – Performance and Payment Bond. No permit shall be issued under the provisions of this chapter until the applicant therefor executes and delivers to the city a bond, or an assignment of funds in lieu of bond, in the sum of $5,000, or 120 percent of the cost of the project, whichever is greater, the form to be approved by the city attorney, and with surety approved by the city treasurer conditioned on the faithful performance of the provisions of this chapter. The bond shall be conditioned that the applicant acting under the permit shall complete all improvements as shown on the construction plans as approved by the public works department. Such bond shall further be conditioned to indemnify and hold harmless the city from any and all judgments, costs or expenses arising from injuries or damage to any person or property on account of such work. Such bond shall remain in full force and effect until final project acceptance by the Sumner city council.

See Chapter 1 of the Sumner Development Specifications for additional information regarding final project acceptance.

C. Sewer Main and Appurtenances – Maintenance and Defect Bond. After satisfactory completion of the improvements and prior to release of the performance bond by the city, the developer/contractor shall commence a two-year maintenance and defect period where the improvements are maintained and operated by the city of Sumner. A cash or surety bond to be used at the discretion of the public works department to correct design and/or workmanship defects and maintenance deficiencies affecting public health, safety, and welfare shall be posted and maintained throughout the two-year maintenance period by the developer/contractor. The amount of the bond shall be 20 percent of the actual construction cost of the public improvements. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.220)

13.16.240 Liability insurance.

All contractors performing work within any existing city right-of-way shall have a valid permit covering the work and shall be currently licensed and bonded with the state of Washington and the city during the course of the work.

In addition to required bonds, all permittees or their contractors shall maintain a liability policy for the duration of the permit in the amount of not less than $1,000,000 for bodily injury liability (for each occurrence) and for not less than $1,000,000 for property damage liability (for each occurrence). Such insurance shall include the CG 20 12 endorsement naming the city of Sumner, its officers and employees as specifically named additional insureds, and the project site address and city project/permit number shall be included in the project description. The permittee shall not reduce or cancel the liability policy without 30 days’ written prior notice to the city. Permittees shall present the city with a certificate of insurance before the city shall issue any permit.

See Sumner Development Specifications and Standard Details, Chapter 1, for additional information regarding insurance requirements. (Ord. 2356 § 2 (part), 2011)

13.16.250 Building sewers – Separate connection required – Exceptions.

A separate and independent building sewer shall be provided for every building, except:

A. Where one building stands at the rear of another on a common lot and no private sewer is available or can be constructed to the rear building through an adjoining alley, court, yard or driveway, the building sewer from the front building may be extended to the rear building and the whole considered as one building sewer;

B. Upon approval of the city engineer or his or her designee;

C. Both buildings shall have common ownership. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.230)

13.16.260 Old building (side) sewers – Permitted when.

Old building sewers may be used in connection with new buildings only when they are found, on examination and tested by the city engineer or his or her designee, to meet all requirements of this chapter. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.240)

13.16.270 Building (side) sewers – Construction requirements.

Building (side) sewers shall be constructed in accordance with the Sumner Development Specifications and Standard Details. Type and size of pipe, gradient, fittings, trenchwork, including bedding and backfill, etc., shall conform to these standards and as directed by the city engineer or his or her designee. Private side sewers located on private property between the right-of-way line and the building as well as that portion owned and maintained by the city sewer utility shall be installed and tested in accordance with these standards. Current copies of the Sumner Development Specifications and Standard Details are available for purchase at the permit center. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.250)

13.16.280 Building (side) sewers – Record drawings.

Upon final inspection and observation of satisfactory testing of a building (side) sewer by the engineering division of the public works department, the city engineer or his or her designee shall direct his staff to prepare a detailed scaled as-built drawing of the installation noting on the drawing pertinent data such as size and type of pipe, location, dimensions from landmarks, depth, slope and other pertinent data and file said as-built in the address file for the property for future reference by both the property owner and the city. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.260)

13.16.290 Building (side) sewers – Ownership.

The building (side) sewer located in the public right-of-way shall become the property of the city and will be maintained, repaired and replaced by the city’s public works department. The portion of the building (side) sewer located on the customer’s property is owned by the property owner and shall be his responsibility to keep the sewer in good working order and free from extraneous ground water or surface runoff water. A cleanout shall be provided at the property line for all new building (side) sewer installations. At such time the city’s public works department or the property owner makes repairs and/or replaces an old side sewer that does not have a cleanout at the property line, the party doing the work shall install a cleanout in accordance with the Sumner Development Specifications and Standard Details in effect at the time. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.270)

13.16.300 Private building (side) sewer replacement/repair – Permit.

A permit is required to make repairs or to replace a private building sewer. The private sewer is connected to the public system, and its condition affects the whole system. A property owner shall apply for a permit for private side sewer replacement at the city’s permit center and pay a nonrefundable fee as set forth in the Sumner utility rate and fee schedule. The fee shall be full compensation for the cost of processing, plan review, inspection and preparation of an as-built drawing. The city does not require the work be done by a licensed contractor. The work may be performed by the owner, but the materials and workmanship shall fully conform to the requirements set forth in the Sumner Development Specifications and Standard Details. The work shall be inspected, tested and approved by the public works department prior to backfill. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.280)

13.16.310 Lifting by artificial means – Permitted when.

In all buildings in which any building sewer is too low to permit gravity flow to the public sewer, sanitary sewage carried by such sewer shall be lifted by approved artificial means and discharged to the sewer. The city engineer or his or her designee shall determine which type of pump system is appropriate and to be installed for the particular service. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.290)

13.16.320 Inspection and testing.

Any persons performing work under a permit pursuant to the provisions of this chapter shall notify the permit center when the work will be ready for inspection and testing and shall specify in such notice the location of the premises. If the city engineer or his or her designee finds the work or material used is not in accordance with the provisions of this chapter or if the installed building (side) sewer does not pass the test required under this chapter, he shall notify the person doing the work and also the owner of the premises by posting a written notice upon the premises. Such posted notice shall be all the notice that is required to be given of the defects in the work or material or the failure of the test found in such inspection, and a copy of such notice shall be kept on file in the office of the city engineer or his or her designee. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.300)

13.16.330 Filling trenches – Inspection required.

No trench shall be filled or any connected sewer covered until the work from the point where the same connects with the public sewer or other outlet to the point where it connects with the iron pipe or other plumbing of the building or premises to be connected shall have been inspected and approved by or under the direction of the city engineer or his or her designee and until the same has been made in all respects to conform to the provisions of this chapter. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.310)

13.16.340 Testing methods.

A. All side sewers and sewer mains shall be tested in accordance with the Sumner Development Specifications and Standard Details. Testing shall be performed prior to backfilling the trench and making connections.

B. Any and all equipment required for the pressure testing of side sewers and sewer mains shall be furnished by the persons doing the work under the supervision of the city engineer or his or her designee.

C. The city may also require video and/or deflection testing of the completed side sewers and sewer mains to determine alignment and constant grade. Acceptance or rejection of the work shall be based on the requirements in the Sumner Development Specifications and Standard Details. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.320)

13.16.350 Protecting excavations – Public property to be restored.

All excavations shall be adequately guarded with barricades and lights so as to protect the public from hazard. Streets, sidewalks, parkways and other public property disturbed in the course of the work shall be restored in a manner satisfactory to the city. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.340)

13.16.360 Stormwater and unpolluted drainage.

Stormwater and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as storm sewers, or to a natural outlet approved by the city engineer or his or her designee. Industrial cooling water or unpolluted process waters may be discharged, upon approval of the city engineer or his or her designee, to a storm sewer or natural outlet.

If a private side sewer has ground water infiltrating into it due to a broken pipe or joint, the owner will be notified and shall apply for a permit in accordance with SMC 13.16.300 and make the necessary repairs in a timely manner as set forth in SMC 13.16.480. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.370 Prohibited discharges designated.

Except as provided in this chapter, no person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewer:

A. Any liquid or vapor having a temperature higher than 150 degrees Fahrenheit.

B. Any water or waste which may contain more than 100 parts per million, by weight, of polar and nonpolar fats, oil, greases, wax, whether emulsified or not, or containing substances which may solidify or become viscous at temperatures between 32 and 150 degrees Fahrenheit.

C. Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid, gas or petroleum products.

D. Any garbage.

E. Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, hair, animal bone, eggshell, paunch manure or any other solid or viscous substance regardless of size or quantity or whole or shredded that is capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works.

F. Any waters or wastes having any corrosive property capable of causing damage or hazard to pipe, structures, equipment or personnel of the sewage works.

G. Any waters or wastes containing suspended solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant.

H. Any noxious or malodorous gas or substance capable of creating a public nuisance.

I. Substances with a pH below six or above nine.

J. Any liquid waste with color that will interfere with the efficiency of the UV disinfection at the wastewater treatment facility (WWTF).

K. Any liquid waste containing metals such as iron, chromium, copper, zinc, silver, mercury, lead and cadmium having a concentration of any of these metals that exceeds the background (potable water) levels by more than 10 percent.

L. Cooling water.

M. Unpolluted industrial process waters.

N. Storm, surface, or roof runoff, ground water, or subsurface drainage.

O. All other wastes found by the city to be harmful to the city’s sewer collection or treatment facilities. (Ord. 2526 § 1, 2015: Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.380 Pretreatment device required when.

A. New Facilities. Grease interceptors shall be installed for all commercial and/or industrial facilities involving food preparation or that will discharge liquid waste as defined in SMC 13.16.370. All devices shall be of a type and capacity approved by the city engineer or designee and shall be located as to be readily and easily accessible for cleaning and inspection.

B. Existing Facilities with Pretreatment Devices. On or after July 1, 2008, all existing commercial and/or industrial establishments involving food preparation or that discharge liquid waste containing polar and nonpolar grease, or any other wastes or ingredients as defined in SMC 13.16.370 shall be permitted to operate and maintain existing other; provided, that the equipment is in efficient operating condition to maintain discharges of less than 100 ppm FOG. Any commercial and/or industrial facilities that are known to cause grease related cleaning activities in the sanitary sewer, a grease-related sanitary sewer overflow or fail to implement and enforce BMPs will be required to install a properly sized and functioning grease interceptor within 90 calendar days from notification by the city. Any facilities that have existing grease traps that were not previously approved and are known to cause grease-related cleaning activities in the sanitary sewer or lateral shall replace the grease trap with a grease interceptor.

C. Existing Facilities without Grease Removal. Any commercial establishment involving food preparation or that discharges any waste as defined in SMC 13.16.370 shall be required to install a properly sized and functioning pretreatment device grease interceptor within 90 calendar days from notification by the city.

D. FOG Control Program. All facilities required to have a pretreatment device shall implement a FOG control program meeting the requirements specified in Section 4.5 of the Sumner Development Specifications and Standard Details.

E. Enzymes, Bacteria and Other Agents. The direct addition into the building plumbing, grease trap, or interceptor of enzymes, chemicals or other agents designed to emulsify the grease compounds is prohibited. Any attempt to modify the trap into a biological reactor by adding bacterial or microbial agents is also prohibited.

F. Inspection. City access to pretreatment devices shall be granted in accordance with SMC 13.16.460.

G. Enforcement. In the event a pretreatment device fails a visual or effluent sample analysis inspection, the owner shall be given written notice of the noncompliant condition and must take immediate steps to bring the device into compliance. The owner is responsible for all associated costs.

Failure on the part of any owner to maintain continued compliance with any requirements set forth in the SMC may result in the initiation of enforcement action. Such enforcement action may include, but is not limited to: a verbal request or warning documented in the inspection form, a warning letter/maintenance letter (via email, fax, USPS, or hand delivery), notice of violation, administrative fine of $100.00, termination of any city services, or facility closure as outlined in SMC 13.16.470 through 13.16.500.

Both cleaning and maintenance actions where a discharge of FOG is ongoing shall be completed in seven days and the business contact shall contact the city official for a re-inspection. An extension may be granted by the city official, if corrective actions have been initiated (e.g., an appointment made with a contractor to address a maintenance concern). In the case of an impending backup, or current obstruction, the city official may require the corrective action be taken immediately.

If an obstruction of the sanitary sewer collection system occurs that causes a sanitary sewer backup and/or overflow and such overflow can be attributed in part or in whole to an accumulation of any material as defined in SMC 13.16.370 in the sanitary sewer main line the city will take appropriate enforcement actions, as stipulated in SMC 13.16.490 and 13.16.500, against the generator or contributor of such materials. These actions may include recovery of all costs associated with cleanup activities, fines, civil penalties or a discontinuance of sanitary sewer and/or water service.

Any person who knowingly makes any false statements, representation, record, report, or other document filed with the city or who falsifies, tampers with or knowingly renders inaccurate any monitoring device or method required under this document is subject to administrative fines or facility closure as outlined in SMC 13.16.470 through 13.16.500.

H. Pretreatment devices shall be constructed in accordance with chapter 15.48 SMC and the Sumner Development Specifications and Standard Details.

I. Exemptions. Grease traps shall not be considered an alternative to grease interceptors except in the following conditions:

1. Grease traps shall have twice the required grease storage capacity as required in the Uniform Plumbing Code for the applicable flow rate. Grease traps shall be sized for 25 gpm/50 lbs., minimally.

2. A single grease trap shall not serve more than one building or tenant space.

3. Pretreatment devices shall not be installed without a permit.

J. Pretreatment devices shall be designed by a professional engineer to accept all grey water from the facility to include: Hand washing sinks, mop sinks, any sink used in beverage or food preparation, dishwasher waste, and any garbage disposals, grinders, or shredders. If the facility is equipped with a hydromechanical grease interceptor (i.e., grease trap) discharge shall be pretreated as follows:

1. A garbage disposal, shredder, grinder or like device must have a dedicated trap or solids interceptor to capture large amounts of materials before they enter the hydromechanical grease interceptor.

2. A dishwasher or sanitizer must have a dedicated trap or solids interceptor to capture large amounts of solids, and allow high temperature waste water to cool before entering the hydromechanical grease interceptor.

The design must demonstrate that the specified grease trap has an adequate flow capacity to handle all of these connections. The minimum grease trap capacity is 25 gpm and 50 lbs. Proposed grease interceptors must conform to the Sumner Development Specifications and Standard Details. (Ord. 2526 § 2, 2015: Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.390 Interceptor and trap maintenance.

A. Where installed, all pretreatment devices shall be maintained by the owner, at his expense, in continuously efficient operation at all times. Pretreatment devices shall be maintained per City of Sumner Waste Discharge Standards or the manufacturer specifications.

B. Reports and/or maintenance logs shall document the date of service, volume pumped, name of the licensed disposal company (or employee completing the work), waste disposal location for each pretreatment device and other information on the form provided by the city. Maintenance records shall be kept a minimum of three years at the location of the device, and provided to the city upon request. (Ord. 2526 § 3, 2015: Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.400 Preliminary treatment facilities – Required when.

Pretreatment facilities shall be required as follows:

A. The admission into the public sewers of any waters or wastes having:

1. A five-day BOD greater than 350 parts per million by weight; or

2. Containing more than 350 parts per million by weight of suspended solids; or

3. Containing any quantity of substances having the characteristics described in SMC 13.16.370; or

4. An average daily flow greater than two percent of the average daily sewage flow of the city shall be subject to the review and approval of the city engineer or his or her designee.

B. Where necessary in the opinion of the city engineer or his or her designee, the owner shall provide, at his expense, such preliminary treatment as may be necessary to:

1. Reduce the BOD to 300 parts per million and the suspended solids to 350 parts per million by weight; or

2. Reduce objectionable characteristics or constituents to within the maximum limits provided for in SMC 13.16.370; or

3. Control the quantities and rates of discharge of such waters or wastes or any two or all three of the above.

C. Plans and specifications for proposed preliminary treatment facilities shall be submitted by the owner for the city engineer’s or his or her designee and the Washington State Department of Ecology’s approval. No construction of such facilities shall be started until these approvals are obtained in writing and the necessary permits are issued through the Sumner permit center. Design of such facilities shall be accomplished by a professional engineer registered in the appropriate discipline in the state and his/her stamp and signature shall appear on the plans and specifications. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.410 Preliminary treatment facility maintenance.

Where preliminary treatment facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.420 Manhole requirement.

The owner of any property served by a building sewer carrying industrial wastes shall install a suitable control manhole in the building sewer to facilitate observation, sampling and measurement of the wastes. Such manhole shall be accessible and safely located and shall be constructed in accordance with plans approved by the city engineer or his or her designee. The manhole shall be installed by the owner at his expense and shall be maintained by him so as to be safe and accessible at all times. The city engineer or his or her designee can waive the requirement for a manhole. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.430 Measurements, tests and analyses.

All measurements, tests and analyses of the characteristics of waters and wastes to which reference is made in SMC 13.16.370 and 13.16.400 shall be determined in accordance with “Standard Methods for the Examination of Water and Sewage,” and shall be determined at the control manhole provided for in SMC 13.16.420 or upon suitable samples taken at said control manhole. In the event that no special manhole has been required, the control manhole shall be considered to be the nearest downstream manhole in the public sewer to the point at which the building sewer is connected. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.440 Special agreements with industrial concerns.

No statement contained in this chapter shall be construed as preventing any special agreement or arrangement between the city and any industrial concern whereby an industrial waste of unusual strength or character may be accepted by the city for treatment, subject to payment therefor by the industrial concern. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.450 Sewer blockage.

The user and/or owner is responsible for keeping their side sewer clean and free of obstructions from the building to the main. When a backup occurs in the sewer, the customer shall first call the city shops and/or the public works department and ask that an operator be sent out to ascertain if the blockage is in the city-owned portion or the privately owned portion of the sewer.

If a customer is having backup problems on a regular basis, they may schedule a video inspection of the side sewer. The sewer department will schedule the work and perform the inspection within 15 working days after receiving the request, including the installation of a cleanout at the property line if needed and cleaning of the line. There is no charge for this work. If the inspection finds misalignment of joints and/or pipe or broken pipe, the property owner shall make repairs to the side sewer in a timely manner. If the broken or misaligned sewer is that portion owned by the city, the sewer department will make repairs within 20 working days. If the misaligned or broken sewer pipe is owned by the property owner, he shall file for a permit for sewer replacement as set forth in SMC 13.16.300 within 75 days and have the work completed within 120 days.

If a side sewer has no cleanouts for access, the sewer department will only install a cleanout to provide access during regular working hours unless the situation poses significant risk to property or public health. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004)

13.16.460 Authority to inspect.

A. Duly authorized employees of the city bearing proper credentials and identification shall be permitted to enter upon all properties in order to inspect, observe, measure, sample, and test effluents destined for the wastewater treatment facility. Any such intrusions will be conducted in accordance with the provisions of this chapter.

B. Inspection. The city shall inspect pretreatment devices on both a scheduled and unscheduled, unannounced basis to determine whether the requirements set forth in this chapter are being met. Each establishment using a pretreatment device shall allow city representatives or other duly authorized employees bearing proper credentials and identification access at all reasonable times or during normal hours of operation to all parts of the premises for the purpose of inspection, observation, records examination, measurement, sampling and testing in accordance with the provisions of the SMC. The city shall have the right to set up on any property devices necessary for conducting wastewater sampling inspection, compliance monitoring and/or metering operations. All costs for laboratory collection and analysis shall be the responsibility of the establishment. The city representative may request a business representative be present during the inspection to: open, operate, or assist in inspecting the device as required to prove operating effectiveness. During inspection at a minimum the following shall be considered:

1. Grease Interceptors/Gravity Grease Interceptors.

a. Grease interceptors shall be considered out of compliance according to the following:

i. If the average accumulation of scum, suspended solids, and sludge (measured by depth) in the device totals 25 percent of the total depth. Grease interceptors must be serviced and emptied of accumulated waste content as required to maintain a minimum design capability or effective volume, but not less than once every 90 calendar days. If a facility determines that cleaning every 90 calendar days is unnecessary in order to remain in compliance with city requirements, the facility may make a written application for a variance from the cleaning schedule;

ii. If amounts of FOG in excess of 100 ppm are evident in the effluent tee, or chamber, of the device. This will be determined by visual inspection (identifying a residue, sheen or grease bloom) or by sampling and laboratory testing;

iii. The device shall be free of foreign debris;

iv. The device and all corresponding parts and pieces shall be properly installed and in good working order (e.g., lids must open and work freely, seal must be in good condition, threads on bolts and nuts must work freely and fasten properly);

b. Sanitary wastes cannot be introduced into the grease interceptor;

c. Any facility that has a grease interceptor shall utilize a licensed disposal company to clean the interceptor and dispose of the waste;

d. Wastes removed from a grease interceptor shall be disposed of at a facility permitted to receive such waste in accordance with all city, county, state and federal regulations. Grease, solids, or liquids removed from pretreatment devices shall not be returned to any grease interceptor, private sanitary sewer line, any portion of the sanitary sewer collection system or any portion of the stormwater system;

e. Flushing the grease interceptor with large quantities of water in an effort to cause accumulated grease to pass through is prohibited;

f. No debris, equipment supplies, or storage units or any other materials shall be stacked or placed within a three-foot radius of the grease interceptor’s access lids or sampling ports.

2. Grease Traps/Hydromechanical Grease Interceptors.

a. Grease traps shall be considered out of compliance according to the following:

i. If the average accumulation of scum, suspended solids and sludge (measured by depth) in the device totals 15 percent of the total depth. Grease traps must be serviced and emptied of accumulated waste contents as required to maintain a minimum design capability or effective volume, but not less than once every 90 calendar days. If a facility determines that cleaning every 90 calendar days is unnecessary in order to remain in compliance with city requirements, the facility may make a written application for a variance from the cleaning schedule;

ii. If amounts of FOG in excess of 100 ppm are evident in the effluent tee, or chamber, of the device. This will be determined by visual inspection (identifying a residue, a sheen, or grease bloom) or by sampling and laboratory testing;

iii. The device shall be free of foreign debris;

iv. The device and all corresponding components shall be properly installed and in good working order (e.g., lids must open and work freely, seals must be in good condition, threads on bolts and nuts must work freely and fasten properly);

b. Sanitary wastes cannot be introduced into the grease trap/hydromechanical interceptor;

c. Any facility that has a grease trap may utilize a licensed disposal company or employee, to clean the interceptor and dispose of the waste properly. These disposal methods include:

i. Absorbing liquids with the proper materials.

ii. Storing the removed materials in a lead proof container and disposing of them in a sanitary landfill.

iii. Recycling the removed materials with a licensed disposal or recycling contractor;

d. Wastes removed from a grease trap shall be disposed of in accordance with all city, county, state and federal regulations. Grease, solids or liquids removed from pretreatment devices shall not be returned to any grease interceptor, private sanitary sewer line, any portion of the sanitary sewer collection system or any portion of the stormwater system;

e. Flushing the grease trap with large quantities of water in an effort to cause accumulated grease to pass through is prohibited;

f. No debris, equipment, supplies, storage units or any other materials shall be stacked or placed within a three-foot radius of the grease trap/hydromechanical interceptors access lids or sampling ports.

3. Oil Water Separators (OWS).

a. Oil water separators shall be considered out of compliance according to the following:

i. If the average accumulation of oils, suspended solids and sludge (measured by depth) in the device totals 15 percent of the total depth. OWS must be serviced and emptied of accumulated waste contents as required to maintain a minimum design capability or effective volume, but not less than once every 180 calendar days. If a facility determines that cleaning every 180 calendar days is unnecessary in order to remain in compliance with city requirements, the facility may make a written application for a variance from the cleaning schedule.

ii. If amounts of FOG in excess of 100 ppm are evident in the effluent tee or chamber of the device. This will be determined by visual inspection (identifying a residue, a sheen or grease bloom) or by sampling and laboratory testing.

iii. The device shall be free of foreign debris.

iv. The device and all corresponding components shall be properly installed and in good working order (e.g., lids must open and work freely, seals must be in good condition, threads on bolts and nuts must work freely and fasten properly).

v. If coalescing plates or filters appear to be plugged or are otherwise not functioning.

b. Sanitary wastes cannot be introduced into the OWS.

c. Any facility that has an OWS must utilize a licensed disposal company to clean the device and dispose of the waste properly. These disposal methods include:

i. Recycling or disposing of the removed materials with a licensed disposal or recycling contractor.

d. Wastes removed from an OWS shall be disposed of in accordance with all city, county, state and federal regulations. Grease, solids or liquids removed from pretreatment devices shall not be returned to any on-site device, private sanitary sewer line, any portion of the sanitary sewer collection system or any portion of the stormwater system.

e. Flushing the OWS with large quantities of water in an effort to cause accumulated oil to pass through is prohibited.

f. No debris, equipment, supplies, storage units or any other materials shall be stacked or placed within a three-foot radius of the OWS access lids or sample ports. (Ord. 2526 § 4, 2015: Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.470)

13.16.470 Violation – Unauthorized tampering – Penalty.

No unauthorized person shall maliciously, willfully or negligently break, damage, destroy, uncover, deface or tamper with any structure, appurtenance or equipment which is a part of the municipal sewage works. Any person who violates this provision is guilty of a misdemeanor and upon conviction thereof shall be punishable by up to 90 days jail/$1,000 fine. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.480)

13.16.480 Violation – Notification.

Any person found to be violating any provisions of this chapter except SMC 13.16.470 shall be served by the city with written notice stating the nature of the violation and providing a reasonable time limit for the satisfactory correction thereof. The offender shall, within the period of time stated in such notice, permanently cease all violations. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.490)

13.16.490 Violation – Continuation – Penalty.

Any person who continues any violation beyond the time limit provided for in SMC 13.16.480 is guilty of a misdemeanor, and upon conviction thereof shall be punishable by up to 90 days jail/$1,000 fine for each violation. Each day in which any such violation continues is a separate offense. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.500)

13.16.500 Violation – Liability.

Any person violating any of the provisions of this chapter shall become liable to the city for any expense, loss or damage occasioned the city by reason of such violation. (Ord. 2356 § 2 (part), 2011: Ord. 2077 § 1 (part), 2004. Formerly 13.16.510)