CHAPTER 3-6: INTERNATIONAL PLUMBING CODE
SECTIONS:
3-6-1: ADOPTION OF THE INTERNATIONAL PLUMBING CODE:
3-6-1 ADOPTION OF THE INTERNATIONAL PLUMBING CODE:
There is hereby adopted by reference, that certain document known as the "International Plumbing Code, 2024 Edition," including appendices B and E, as published by the International Code Council. Said document is hereby amended and adopted as the "International Plumbing Code" for regulating and governing the conditions and maintenance of all property, buildings and structures; by providing the standards for supplied utilities and facilities and other physical things and conditions essential to ensure that structures are safe, sanitary and fit for occupation and use; and the condemnation of buildings and structures unfit for human occupancy and use and the demolition of such structures as herein provided; providing for the issuance of permits and collection of fees therefor; and each and all regulations, provisions, penalties, conditions, and terms of the various technical codes and ordinances. Providing procedures for enforcement thereof; providing the severability of each and all conditions and terms of the "International Plumbing Code" are hereby referred to, adopted, and made as part hereof as set forth herein, excepting such portions as are herein deleted, modified or amended. (Ord. 2025-1922, 11-18-2025)
3-6-2 AMENDMENTS:
That certain document entitled the "International Plumbing Code," which document amends and supersedes certain designated sections of the "International Plumbing Code, 2024 Edition," including appendices B and E, as published by the International Code Council and was made a public record by Resolution No. 2025-1956 is hereby adopted by this reference and amends and replaces the existing chapter and Sections 3-6-1 and 3-6-2 of the Prescott City Code.
CHAPTER 1 - SCOPE AND ADMINISTRATION
SECTION 101 – SCOPE AND GENERAL REQUIREMENTS
SECTION 101.1 Title is amended to read as follows:
101.1 Title. These regulations shall be known as the “International Plumbing Code”, hereinafter referred to as 'this Code'.
SECTION 102 through 116 is hereby deleted and replaced with the requirements of the International Building Code SECTION 102 through 116, as adopted and as may be amended from time to time.
CHAPTER 3 – GENERAL REGULATIONS
SECTION 305 – PROTECTION OF PIPES AND PLUMBING SYSTEM COMPONENTS
SECTION 305.4.1 Sewer Depth is hereby amended to read as follows:
305.4.1 Sewer Depth. Building sewers that connect to private sewage disposal systems shall be installed not less than 12 inches (12”) below finish grade at the point of connection. Building sewers shall be installed not less than 24 inches (24”) below grade
SECTION 305.4 Freezing is hereby amended by adding a new sub-section to read as follows:
305.4.2 Water in Attics. All water in attics must be either in a conditioned attic space, or must be in an approved chase with foam, on the conditioned side of the insulation, with a minimum of R-49 insulation over the chase. Pipe must be pex or equal and must slope to drain back to shut-off when not in use
CHAPTER 4 – FIXTURES, FAUCETS AND FIXTURE FITTINGS
SECTION 403 – MINIMUM PLUMBING FACILITIES
TABLE 403.1 Minimum number of required fixtures is hereby amended by adding new footnotes to Table 403.1 to read as follows:
g. Water coolers or bottled-water dispensers may be substituted for drinking fountains in A, B, M, and S occupancies with 25 or fewer occupants. Such water shall be free of charge to the public. Cooler or dispenser must be installed at time of Certificate of Occupancy walk through.
h. A water cooler or bottled-water dispensers or break room sink with a drinking water faucet may be substituted for drinking fountains in A,B,M and S occupancies with more than 26 but less than 49 occupants. Such water shall be free of charge to the public. Cooler or dispenser must be installed at time of Certificate of Occupancy walk through.
i. Goose neck faucets on a lavatory or a hose bib located within a restroom may be substituted for the required utility sink in A, B, M, and S occupancies with 25 or fewer occupants. Hose bibs shall comply with section 608.15.4.2 Hose connections. Must be installed at time of Certificate of Occupancy walk through.
SECTION 403.2 Separate facilities is hereby amended to read as follows:
Exceptions:
2. Separate facilities shall not be required in structures or tenant spaces with a total occupant load, including employees and customers, of twenty-five (25) or less.
3. Separate facilities shall not be required in Mercantile occupancies in which the maximum occupant load is fifty (50) or less.
4. Facilities from 25 to 49 occupants are allowed to use multiple unisex restrooms, at least one must meet ADA, or one ADA restroom that meets full family restroom requirement, must have an ANSI A117.1-2017 compliant toilet, urinal, lavatory and baby changing station. One Family restroom will meet the requirement for 1 male and 1 female minimum restroom numbers.
CHAPTER 6 – WATER SUPPLY AND DISTRIBUTION
SECTION 603 – WATER SUPPLY
SECTION 603 Water Service is hereby amended by adding a new Sections 603.3 and 603.3.1 to read as follows:
603.3 Water service pipe installation. The installation of the water service pipe shall comply with Section 603.3.
603.3.1 Burial Depth. The water service pipe shall be buried a minimum of 24 inches (24”) below the finished grade for metallic piping and 24 inches (24”) minimum below the finished grade for non-metallic piping and shall be covered with clean backfill material that is free of sharp rocks or any rocks that may cause damage to the piping. Native material to the job site may be used if it is free of rocks that may cause damage.
SECTION 608 – PROTECTION OF POTABLE WATER SUPPLY
SECTION 608.14 Backflow protection is hereby amended as follows:
608.14 Backflow protection. Means of protection against backflow shall be provided in accordance with Sections 608.14.2 and 608.14.3, as close as practicable to the meter and required shut-off valve, Sections 608.14.1 and 608.14.4 through 608.14.9 may be used only in-line past the required meter protection. All temporary water lines must have frost free hose bib and anti-siphon valve and be a minimum 10’ of required water pipe size.
CHAPTER 7 – SANITARY DRAINAGE
SECTION 714 – BACKWATER VALVES
SECTION 714.1 Sewage backflow is amended to read as follows:
714.1 Sewage backflow. All structures connected to the City sewer system shall be protected by an approved backwater valve, installed in the building drain.
SECTION 714.1 Sewage backflow is hereby amended by adding a new section 714.1.1 to read as follows:
714.1.1 Sewage backflow retrofit requirements. All structures connected to the City of Prescott sewer system prior to the adoption of this ordinance shall be protected by an approved backwater valve when additions, alterations, or repairs to existing structures are done.
SECTION 903 – VENT TERMINALS
SECTION 903.1 Roof extension is amended by the insertion of twelve inches (12”).
(Ord. 2025-1922, 11-18-2025)
3-6-3 PENALTY:
(A) PENALTY – CRIMINAL: Any person who violates any provision of this chapter or the codes adopted pursuant to this chapter may be guilty of a misdemeanor and, upon conviction thereof, shall be punished as provided in Section 1-3-1, by a fine not exceeding two thousand five hundred dollars ($2,500.00) or by imprisonment for not more than six (6) months, or by both such fine and imprisonment, at the discretion of the City judge. Each and every day any such violation continues shall be deemed and considered a separate offense.
(B) PENALTY – CIVIL: Upon conviction any person who violates any provision of this chapter thereof may be punished as provided in Sections 1-3-1 and 1-3-2 and subject to a civil penalty. Each and every day any such violation continues shall be deemed and considered a separate offense. (Ord. 4163, 10-30-2001, eff. 1-1-2002; amd. Ord. 4389, 4-13-2004; amd. Ord. 4606, 09-11-2007, eff. 10-15-2007; Ord. 4629, 10-23-2007; amd. Ord. 4679-0922, 12-09-2008, eff. 01-08-2009; Ord. 4903-1441, 9-23-2014; Ord. 2019-1668, 6-11-2019; Ord. 2025-1922, 11-18-2025)