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Clean Water Act

WEST ST TAMMANY REGIONAL STP

Quick Summary

  • Assessed $0 in total penalties since records began.
Address
NORTH OF HWY 1085;WEST HWY1077
MADISONVILLE, LA 70447
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County
ST. TAMMANY County
Inspections
2 · last Apr 22, 2025
Total Penalties
$0
Registry ID
110022413681

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 Other noncompliance related to a sanitary sewer system or releases from a sanitary sewer system Sep 12, 2024 Feb 11, 2025 Resolved
cwa Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] Sep 12, 2024 Feb 11, 2025 Resolved
cwa Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] Oct 24, 2022 Feb 11, 2025 Resolved
cwa Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] Oct 18, 2021 Feb 11, 2025 Resolved
cwa Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] Jan 2, 2021 Feb 11, 2025 Resolved
cwa Other noncompliance related to a sanitary sewer system or releases from a sanitary sewer system Jan 2, 2021 Feb 11, 2025 Resolved
cwa WW SSO - Improper Operation and Maintenance Nov 30, 2020 Feb 6, 2025 Resolved
cwa WW SSO - Discharge to Waters Nov 30, 2020 Feb 6, 2025 Resolved
cwa Reporting Violations - Failure to Notify Aug 5, 2020 Feb 6, 2025 Resolved
cwa Management Practice Violations - Improper Operation and Maintenance Aug 5, 2020 Feb 6, 2025 Resolved
cwa Schedule Event reported late Jul 1, 2020 Open
cwa Schedule Event achieved late but reported Jul 1, 2019 Open
cwa Schedule Event unachieved but reported Jul 1, 2019 Nov 1, 2019 Resolved
cwa Schedule Event reported late Jul 1, 2019 Open
cwa Schedule Event unachieved and not reported Jul 1, 2019 Nov 8, 2019 Resolved
cwa WW SSO - Discharge to Waters Mar 31, 2019 Feb 6, 2025 Resolved
cwa WW SSO - Improper Operation and Maintenance Mar 31, 2019 Feb 6, 2025 Resolved
cwa WW SSO - Improper Operation and Maintenance Feb 28, 2019 Feb 6, 2025 Resolved
cwa Permit Violations - Violation Specified in Comment Apr 30, 2018 Feb 6, 2025 Resolved
cwa Schedule Event unachieved and not reported Jul 1, 2017 Nov 13, 2017 Resolved
cwa Schedule Event unachieved but reported Jul 1, 2017 Nov 6, 2017 Resolved
cwa Schedule Event achieved late but reported Jul 1, 2017 Open
cwa Schedule Event reported late Jul 1, 2017 Open
cwa Permit Violations - Violation Specified in Comment Mar 31, 2017 Feb 6, 2025 Resolved
cwa WW SSO - Improper Operation and Maintenance Mar 31, 2017 Feb 6, 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
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 27.50 mg/L 15.00 +83% Apr 2025 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 15.50 mg/L 15.00 +3% Mar 2025 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 16.00 mg/L 15.00 +7% Nov 2024 Open
Coliform, fecal general DMR, Limited - Numeric Violation 508.00 MPN/100mL 400.00 +27% Jun 2024 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 11.20 mg/L 10.00 +12% May 2024 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 18.00 mg/L 15.00 +20% May 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 30.00 mg/L 23.00 +30% Dec 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 1,275.00 MPN/100mL 400.00 +219% Sep 2023 Open
Solids, total suspended DMR, Limited - Numeric Violation 25.00 mg/L 23.00 +9% Aug 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 1,104.00 MPN/100mL 400.00 +176% Jul 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 448.00 MPN/100mL 400.00 +12% Jun 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,042.00 MPN/100mL 400.00 +411% Jan 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 482.00 MPN/100mL 200.00 +141% Jan 2023 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 12.80 mg/L 10.00 +28% Aug 2019 Open
BOD, carbonaceous [5 day, 20 C] DMR, Limited - Numeric Violation 40.00 mg/L 15.00 +167% Aug 2019 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-WEC2300509 · Feb 11, 2025
State CWA Non Penalty AO
Clean Water Act · Case LA-WEC2000802 · May 5, 2021
State CWA Non Penalty AO
Clean Water Act · Case LA-WEC1800902 · Jul 9, 2019

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