Clean Water Act discharge permit · NPDES LA0020591
WELSH, TOWN OF, Welsh, LA: NPDES LA0020591 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WELSH, TOWN OF holds NPDES permit LA0020591, which discharges to 5d. EPA’s file records it issued August 30, 2017 and expiring September 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WELSH, TOWN OF |
|---|---|
| Permittee as filed | WELSH, TOWN OF |
| NPDES ID | LA0020591 |
| 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 | August 30, 2017 |
| Expiration date | September 30, 2022 |
| Address | Welsh, LA 70591 |
| Receiving water | 5D |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | East Bayou Lacassine (HUC 080802020202) |
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 |
|---|---|---|---|---|---|
| Nitrogen, Kjeldahl, total [as N] | 3 | 24 | 15 | March 31, 2020 | 573% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 37 | 10 | December 31, 2024 | 100% over the limit |
| Coliform, fecal general | 2 | 27 | 9 | May 31, 2026 | 99,999% over the limit |
| Nitrogen, total Kjeldahl | 0 | 27 | 9 | March 31, 2017 | 670% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 7 | 7 | May 31, 2026 | 185% over the limit |
| Solids, total suspended | 3 | 30 | 3 | December 31, 2009 | 43% over the limit |
| pH | 2 | 19 | 1 | August 31, 2002 | |
| Flow, in conduit or thru treatment plant | 2 | 18 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 9 | 0 | ||
| Nitrogen, total [as N] | 3 | 3 | 0 | ||
| Phosphorus, total [as P] | 3 | 3 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 22, 2017 | Effluent Violations - Unauthorized Discharge | ST6 |
| March 22, 2017 | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, LA0020591.
Start the watch
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID LA0020591 there.
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- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.