Documents RIPDES Storm Water Program: Municipal Separate Storm Sewer Systems (MS4s)

RIPDES Storm Water Program: Municipal Separate Storm Sewer Systems (MS4s) Who is Regulated under Phase II? Rule 31(a)(5) Municipalities are automatically designated if their…

Documents MS4 Permit and Storm Water Management Program Overview

MS4 Permit and Storm Water Management Program Overview What is an MS4 Permit? Municipal Separate Storm Sewer System A Storm Water Permit issued by TCEQ that covers storm…

Documents SW101

SW101 Municipal Separate Storm Sewer Systems (MS4s) What is an MS4? A municipal separate storm sewer system (MS4) is: A conveyance or system of conveyances... owned by a…