Non-Compliance
Clean Water Act
MUSTANG BAYOU 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
-
500' WEST AND 1000' NORTH INTX OF TRAMMEL-FRES
FRESNO, TX 77545
View on map ↗ - County
- FORT BEND County
- Inspections
- 2 · last May 1, 2025
- Total Penalties
- $0
- Registry ID
- 110055045491
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.
7
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 | May 1, 2025 | May 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 3, 2023 | Jul 13, 2023 | Resolved |
| cwa | Schedule Event reported late | Jun 3, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 3, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 3, 2023 | Jul 13, 2023 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 4, 2023 | Apr 24, 2023 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Feb 14, 2023 | May 26, 2023 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jan 21, 2016 | — | Open |
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 |
|---|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.01 MGD | 1.00 | +1% | Dec 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.01 MGD | 1.00 | +1% | Nov 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 4.68 MGD | 4.00 | +17% | Jul 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 4.02 mg/L | 4.00 | +1% | Jun 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.04 MGD | 0.95 | +9% | Jun 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.01 MGD | 0.95 | +6% | May 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.96 MGD | 0.95 | +1% | Apr 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.99 MGD | 0.95 | +4% | Mar 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.01 MGD | 0.95 | +6% | Feb 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.07 MGD | 0.95 | +13% | Jan 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 727.00 MPN/100mL | 399.00 | +82% | Jan 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.99 MGD | 0.95 | +4% | Dec 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.98 MGD | 0.95 | +4% | Nov 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.02 MGD | 0.95 | +7% | Sep 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.04 MGD | 0.95 | +9% | Aug 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.15 MGD | 0.95 | +21% | Jul 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.07 MGD | 0.95 | +12% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.57 kg/d | 7.26 | +32% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.45 mg/L | 2.00 | +23% | May 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.01 MGD | 0.95 | +7% | May 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.98 MGD | 0.95 | +3% | Mar 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.02 MGD | 0.95 | +7% | Nov 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Apr 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.19 mg/L | 2.00 | +10% | Aug 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.10 mg/L | 10.00 | +21% | Jun 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.45 mg/L | 2.00 | +23% | Nov 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.30 mg/L | 10.00 | +3% | Nov 2016 | Open |
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