Chapter 11A
Stormwater Management
Article 1
General Provisions
§11A-102. Statement of Findings
§11A-106. Repeals and Continuation of Prior Regulations
§11A-108. Compatibility with Other Ordinance Requirements
§11A-109. Duty of Persons Engaged in the Development of Land
§11A-110. Stormwater Management Data
Article 2
Definitions
Article 3
Stormwater Management Standards
§11A-301. General Requirements
§11A-302. Stormwater Management Districts
§11A-304. Water Quality Requirements
§11A-305. Rate Control Requirements
§11A-306. Calculation Methodology
§11A-307. Best Management Practices (BMPs)
§11A-308. Retention and Detention Basins
§11A-309. Stormwater Conveyance Facilities
§11A-311. Erosion and Sediment Pollution Control Requirements
§11A-312. Floodplain Delineation
Article 4
Stormwater Management Site Plans
§11A-401. General Requirements
§11A-403. SWM Site Plan Contents
§11A-404. Post-Construction Stormwater Management (PCSM) Report
§11A-405. SWM Site Plan Processing Requirements
§11A-406. Construction Inspections
§11A-407. As-Builts, Completion Certificate, and Final Inspection
§11A-408. Modification of Stormwater Management Facilities
§11A-409. Modification of Stormwater Management Ordinance Provisions
Article 5
Operation and Maintenance
§11A-501. Operation and Maintenance Responsibilities
§11A-502. Operation and Maintenance Agreement
§11A-503. Maintenance of Existing Stormwater Management Facilities
§11A-504. Authorization to Construct and Term of Validity
§11A-505. Post-Construction Schedule of Inspections
Article 6
Performance Guarantee
§11A-601. Developer’s Improvement Guarantee Agreement
§11A-602. Performance Guarantee
§11A-603. Indemnification and Insurance
Article 7
Administration, Fees, and Expenses
§11A-702. Expenses Covered by Fees
§11A-703. Recording of Approved SWM Site Plan and Related Agreements
Article 8
Prohibitions
§11A-801. Prohibited Discharges and Connections
§11A-802. Roof Drains and Sump Pumps
§11A-803. Alteration of SWM BMPs
Article 9
Enforcement and Penalties
Article 10
References
Appendices
Appendix 11A-A Certificates of Ownership, Compliance, Review, and Approval
Appendix 11A-B-1 Runoff Coefficients “C” for Rational Formula
Appendix 11A-B-2 Runoff Curve Numbers “CN” for SCS Method
Appendix 11A-B-3 Roughness Coefficients (Manning’s “n”) for Sheet Flow
Appendix 11A-B-4 Roughness Coefficients (Manning’s “n”) for Pipes
Appendix 11A-B-5 Clay Liner Specifications
Appendix 11A-B-6 Stormwater Management Site Plan Application
Appendix 11A-C Lebanon County Storm Water Management Districts
Appendix 11A-E Standard Stormwater Management Notes
Appendix 11A-F Erosion and Sediment Pollution Control Guidelines
Appendix 11A-G Post Construction Stormwater Management (PCSM) Standard Notes