Clean Water Act discharge permit · NPDES LA0020087
OBERLIN, TOWN OF (STP), Oberlin, LA: NPDES LA0020087 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
OBERLIN, TOWN OF (STP), held by OBERLIN, TOWN OF/STP, holds NPDES permit LA0020087, which discharges to B Blue-B Nezpique-Mermentau. EPA’s file records it issued June 21, 2017 and expiring July 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | OBERLIN, TOWN OF (STP) |
|---|---|
| Permittee as filed | OBERLIN, TOWN OF/STP |
| NPDES ID | LA0020087 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 21, 2017 |
| Expiration date | July 31, 2022 |
| Address | Oberlin, LA 70655 |
| Receiving water | B BLUE-B NEZPIQUE-MERMENTAU |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sonnier Bayou-Bayou Blue (HUC 080802010401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 9Under a numeric limit
- 11With a violation of any kind
- 7With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 327 | 213 | June 30, 2026 | 519% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 187 | 69 | May 31, 2026 | 406% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 68 | 66 | October 31, 2006 | 425% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 176 | 58 | November 30, 2025 | 379% over the limit |
| Coliform, fecal general | 4 | 105 | 33 | June 30, 2026 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 4 | 48 | 10 | November 30, 2025 | 58% over the limit |
| pH | 4 | 74 | 2 | June 30, 2003 | |
| Flow, in conduit or thru treatment plant | 4 | 76 | 0 | ||
| Nitrogen, total [as N] | 6 | 12 | 0 | ||
| Phosphorus, total [as P] | 6 | 12 | 0 | ||
| Chlorine, total residual | 0 | 4 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 15, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| December 31, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| September 30, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 31, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| January 31, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 31, 2022 | Failure to submit noncompliance report - SSO discharge [40 CFR 122.41(l)(7)] | ST6 |
| August 31, 2019 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| August 16, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.