ST. TAMMANY PARISH GOVERNMENT - CASTINE REGIONAL SEWAGE TREATMENT PLANT
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
-
END OF LAPIN STREET
MANDEVILLE, LA 70448
View on map ↗ - County
- ST. TAMMANY County
- Inspections
- 2 · last Feb 28, 2025
- Total Penalties
- $0
- Registry ID
- 110024585858
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.
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 | WW SSO - Improper Operation and Maintenance | Mar 15, 2021 | Mar 7, 2022 | Resolved |
| cwa | WW SSO - Discharge to Waters | Mar 28, 2019 | Mar 7, 2022 | Resolved |
| cwa | WW SSO - Discharge to Waters | Dec 10, 2017 | Mar 7, 2022 | Resolved |
| cwa | WW SSO - Improper Operation and Maintenance | Dec 8, 2017 | Mar 7, 2022 | 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 | 17.70 mg/L | 15.00 | +18% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 24.00 mg/L | 23.00 | +4% | Oct 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 578.00 MPN/100mL | 400.00 | +45% | Jun 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 344.00 MPN/100mL | 200.00 | +72% | Jun 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 23.50 mg/L | 10.00 | +135% | May 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 47.13 kg/d | 37.86 | +24% | May 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 23.50 mg/L | 15.00 | +57% | May 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.15 mg/L | 0.03 | +355% | May 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 901.00 MPN/100mL | 200.00 | +351% | Apr 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,472.00 MPN/100mL | 400.00 | +268% | Apr 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,472.00 MPN/100mL | 400.00 | +268% | Mar 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 219.00 MPN/100mL | 200.00 | +10% | Feb 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 304.00 MPN/100mL | 200.00 | +52% | Sep 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 24.00 mg/L | 15.00 | +60% | May 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.20 mg/L | 0.03 | +3,536% | Jun 2017 | 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.