A-C - Texas Commission on Environmental Quality ...

Discharges of stormwater from a facility with a design flow of 1.0 MGD or greater or from a facility required to have an approved pretreatment program (under 40 CFR Part 403) are required to be permitted under the general TPDES permit TXR050000 (the Multi-Sector General Permit, or MSGP) or under the permittee’s individual TPDES permit. ................
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