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.
San Antonio mandates erosion and sediment control for construction sites and land-disturbing activities. Grading permits typically require an erosion control plan. Best management practices include silt fencing, straw wattles, erosion control blankets, stabilized construction entrances, and sediment basins. Disturbed areas must be stabilized within a set timeframe. Inspections required during construction. Permanent stabilization through vegetation or hardscape required upon completion. Violations can result in stop-work orders.
Missing erosion controls: stop-work order and fines $250 to $2,500. Sediment discharge to waterways: fines $1,000 to $25,000 per day. Failure to stabilize: daily fines until corrected.
San Antonio, TX
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San Antonio, TX
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San Antonio, TX
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San Antonio, TX
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San Antonio, TX
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San Antonio, TX
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Side-by-side rule comparisons with other cities in Bexar County.
See how other cities in Bexar County handle erosion control.
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