Stormwater Management: Converse vs San Antonio
How do stormwater management rules compare between Converse, TX and San Antonio, TX?
Converse and San Antonio have similar restriction levels.
Converse, TX
Bexar County
Converse operates under a TPDES MS4 permit from TCEQ. Sites disturbing one acre or more need a SWPPP and best management practices. Illicit discharges to storm drains are prohibited.
View full Converse rules →San Antonio, TX
Bexar County
San Antonio enforces comprehensive stormwater management through the UDC, SAWS, and TCEQ compliance. Projects in the Edwards Aquifer recharge or contributing zones must file an Edwards Aquifer Protection Plan (EAPP) with TCEQ and maintain a Stormwater Pollution Prevention Plan (SWPPP) under Construction General Permit TXR150000. SAWS serves as the MS4 operator and conducts site inspections for erosion control compliance.
View full San Antonio rules →Key Facts Comparison
| Fact | Converse | San Antonio |
|---|---|---|
| Permit | TPDES MS4 | - |
| Disturbance threshold | One acre | - |
| Required plan | SWPPP | - |
| Authority | TCEQ | - |
| Illicit discharge | Prohibited | - |
| MS4 Operator | - | SAWS (San Antonio Water System) |
| TCEQ Permit | - | Construction General Permit TXR150000 |
| Aquifer Zones | - | EAPP required for recharge/contributing zone projects |
| Inspections | - | SAWS conducts quarterly stormwater basin inspections |
| Design Manual | - | Storm Water Design Criteria Manual (Jan 2016) |
Highlighted rows indicate differences between cities.
Converse FAQ
Does my pool backwash go to the storm drain?
No. Pool water containing chlorine or salt is not allowed to discharge to storm drains. It must be dechlorinated and released slowly onto landscaped areas, or to the sanitary sewer where permitted.
Do small residential projects need SWPPP?
Projects under one acre of disturbance do not require a TPDES construction permit but still must control sediment and not discharge pollutants to city storm drains.
San Antonio FAQ
Do I need a stormwater plan for construction in San Antonio?
Yes. A SWPPP is required under TCEQ's Construction General Permit TXR150000. Projects in the Edwards Aquifer recharge or contributing zones must also file an Edwards Aquifer Protection Plan (EAPP) with TCEQ before construction begins.
Who enforces stormwater compliance in San Antonio?
SAWS is the MS4 operator and enforces erosion control and stormwater BMP compliance on all construction activity within city limits. TCEQ's San Antonio Regional Office handles Edwards Aquifer zone permits at (210) 490-3096.
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