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Stormwater Quality Annual Engineers' Certification (OCE-1020)
Last Updated: January 2025
Renew Annual Storm Water Quality Permit
Storm Water Quality Requirements-Harris
Storm Detention Examples
This guide provides multiple development scenarios and how to calculate the required storm detention.
Last updated: July 22, 2022
Drawing#01571-01 SWPPP Standard Details
SWQ Guidance Manual
Storm Water Quality Permit Instruction (OCE-1015b)
Storm Water Quality Permit Instruction
Last Updated: August 2024
Example COH SWQMP
2024 Guidelines for Converting Existing Buildings to Multi-Unit Residential
Last Updated: September 5, 2024
New Permit Application Fees