Erosion Control: Converse vs San Antonio
How do erosion control rules compare between Converse, TX and San Antonio, TX?
Converse and San Antonio have similar restriction levels.
Converse, TX
Bexar County
Converse requires erosion control on all construction sites through silt fence, stabilized entrances, and inlet protection. Sites over one acre need a TPDES SWPPP filed with TCEQ.
View full Converse rules →San Antonio, TX
Bexar County
Erosion control on San Antonio construction sites is enforced by SAWS as the MS4 operator. All construction activity requires proper erosion and sedimentation controls including silt fences, rock gabions, and phased clearing. SAWS inspectors visit active job sites to verify BMP compliance. The Edwards Aquifer Recharge Zone requires additional permanent BMPs including sedimentation and filtration basins, with multi-family and commercial projects capturing the first half-inch of runoff.
View full San Antonio rules →Key Facts Comparison
| Fact | Converse | San Antonio |
|---|---|---|
| All sites | Must prevent sediment off-site | - |
| Large sites | One acre TPDES SWPPP | - |
| Common BMPs | Silt fence inlet protection | - |
| Final stabilization | 70 percent vegetation | - |
| Enforcement | Stop-work orders | SAWS as MS4 operator |
| Controls | - | Silt fences, rock gabions, phased clearing required |
| Aquifer Zone | - | Permanent BMPs required; first ½-inch runoff captured |
| Inspections | - | SAWS inspects active construction sites |
| SWP3 | - | Stormwater Pollution Prevention Plan required on-site |
Highlighted rows indicate differences between cities.
Converse FAQ
Do I need silt fence for a pool excavation?
Yes, if the site drains to a street or storm drain. Even small residential jobs need basic erosion control to prevent mud track-out and sediment discharge.
Who inspects erosion control?
City building and stormwater inspectors check BMPs during routine construction inspections. TCEQ may audit TPDES-permitted sites.
San Antonio FAQ
What erosion controls are required for construction in San Antonio?
SAWS requires proper erosion and sedimentation controls including silt fences, rock gabions, and limited phasing of clearing and grading. A Stormwater Pollution Prevention Plan (SWP3) must be maintained on-site and available for SAWS inspection.
Are there extra requirements over the Edwards Aquifer?
Yes. Multi-family and commercial developments over the Recharge Zone must capture and isolate the first half-inch of runoff using sedimentation basins, filtration basins, or hazardous materials traps depending on traffic levels.
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