Non-Compliance
Clean Water Act
SIENNA PLANTATION MUD 1 REGIONAL WWTF
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
1500' S OF SIENNA PKWY
SIENNA PLANTATION, TX 77459
View on map ↗ - County
- FORT BEND County
- Inspections
- 3 · last Nov 30, 2023
- Total Penalties
- $0
- Registry ID
- 110055045543
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
8
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Permit Violations - Violation Specified in Comment | Oct 18, 2023 | Jan 15, 2025 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Nov 16, 2021 | Nov 16, 2021 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Oct 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 548.00 MPN/100mL | 399.00 | +37% | Mar 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Feb 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 4,840.00 MPN/100mL | 399.00 | +1,113% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.06 mg/L | 2.00 | +3% | Feb 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.03 kg/d | 13.62 | +40% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.11 mg/L | 2.00 | +56% | May 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Mar 2023 | Open |
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