Non-Compliance
Clean Water Act
CITY OF OPELOUSAS - SOUTH OPELOUSAS WWTP
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
-
0.3MI N OF CHAMPAGNE DR ON I-49 S SERVICE RD
OPELOUSAS, LA 70570
View on map ↗ - County
- ST. LANDRY County
- Inspections
- 2 · last Apr 18, 2025
- Total Penalties
- $0
- Registry ID
- 110070940835
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.
9
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 | Management Practice Violations - Improper Operation and Maintenance | Jul 30, 2024 | Oct 13, 2025 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jul 30, 2024 | Oct 13, 2025 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Dec 31, 2023 | Oct 13, 2025 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Dec 31, 2022 | Oct 13, 2025 | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 24.00 mg/L | 23.00 | +4% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 18.00 mg/L | 15.00 | +20% | Dec 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 547.50 MPN/100mL | 400.00 | +37% | Nov 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 321.70 MPN/100mL | 200.00 | +61% | Sep 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,986.30 MPN/100mL | 400.00 | +397% | Sep 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +99,999% | Jun 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 200.00 | +99,999% | Jun 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | May 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.10 mg/L | 5.00 | +18% | May 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 200.00 | +99,999% | May 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +99,999% | May 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Feb 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,986.30 MPN/100mL | 400.00 | +397% | Nov 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | Aug 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 511.40 MPN/100mL | 200.00 | +156% | Aug 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.60 mg/L | 5.00 | +28% | Aug 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 8.00 mg/L | 5.00 | +60% | Aug 2024 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Aug 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 13.00 mg/L | 5.00 | +160% | Jul 2024 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 18.00 mg/L | 10.00 | +80% | Jul 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 0.23 mg/L | 5.00 | +95% | Jul 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 288.90 MPN/100mL | 200.00 | +44% | Jul 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Jul 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.60 mg/L | 5.00 | +48% | Jun 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Jun 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 6.00 mg/L | 5.00 | +20% | May 2024 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,732.90 MPN/100mL | 400.00 | +333% | Aug 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,640.50 MPN/100mL | 200.00 | +720% | Aug 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 249.90 MPN/100mL | 200.00 | +25% | Jul 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 747.60 MPN/100mL | 200.00 | +274% | Jun 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Jun 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Apr 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 211.60 MPN/100mL | 200.00 | +6% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.31 mg/L | 10.00 | +3% | Feb 2023 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +99,999% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.65 mg/L | 10.00 | +67% | Jan 2023 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 200.00 | +99,999% | Jan 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.50 mg/L | 5.00 | +30% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.31 mg/L | 5.00 | +166% | Dec 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.90 mg/L | 10.00 | +59% | Dec 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Nov 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,289.00 MPN/100mL | 200.00 | +545% | Nov 2022 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.70 mg/L | 5.00 | +6% | Oct 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +99,999% | Oct 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 200.00 | +99,999% | Oct 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 256.50 MPN/100mL | 200.00 | +28% | Sep 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 400.00 | +505% | Sep 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.30 mg/L | 10.00 | +3% | Sep 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.85 mg/L | 5.00 | +17% | Sep 2022 | Resolved |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 6.00 mg/L | 5.00 | +20% | Sep 2022 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
State CWA Non Penalty AO
Clean Water Act
· Case LA-WEC2400524 · Oct 13, 2025
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