Clean Water Act discharge permit · NPDES LA0041254
CROWLEY CITY OF, Crowley, LA: NPDES LA0041254 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
CROWLEY CITY OF, held by Crowley City of, holds NPDES permit LA0041254. EPA’s file records it issued September 29, 2025 and expiring October 31, 2030. 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 | CROWLEY CITY OF |
|---|---|
| Permittee as filed | Crowley City of |
| NPDES ID | LA0041254 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 29, 2025 |
| Expiration date | October 31, 2030 |
| Issuing agency | LDEQ |
| Address | Crowley, LA 70526 |
| Subwatershed | Bayou Blanc-Bayou Plaquemine Brule (HUC 080802010206) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 32Pollutants on file
- 29Under a numeric limit
- 22With a violation of any kind
- 10With 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 | 5 | 161 | 152 | December 31, 2025 | 266% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 135 | 126 | May 31, 2025 | 273% over the limit |
| Coliform, fecal general | 2 | 66 | 62 | April 30, 2025 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 52 | 43 | August 31, 2025 | 178% over the limit |
| Solids, total dissolved | 0 | 26 | 24 | May 31, 2013 | 179% over the limit |
| Whole Effluent Toxicity [WET] - P. promelas | 2 | 12 | 12 | March 31, 2024 | 99,999% over the limit |
| Whole Effluent Toxicity [WET] - C. dubia | 0 | 10 | 8 | June 30, 2018 | 68% over the limit |
| Whole effluent toxicity | 0 | 14 | 6 | March 31, 2011 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 2 | 8 | 2 | June 30, 2026 | 6% over the limit |
| BOD, carbonaceous, percent removal | 1 | 1 | 1 | June 30, 2026 | 120% over the limit |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 40 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 40 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 40 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 40 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 2 | 39 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 38 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 38 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 38 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 2 | 38 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 1 | 38 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Nitrogen, total [as N] | 3 | 0 | 0 | ||
| Phosphorus, total [as P] | 3 | 0 | 0 | ||
| Mercury, total [as Hg] | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 2 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 2 | 0 | 0 | ||
| WET, sublethal retest #1 | 2 | 0 | 0 | ||
| WET, sublethal retest #2 | 2 | 0 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 2 | 0 | 0 | ||
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 2 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 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 |
|---|---|---|
| June 30, 2026 | Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] | ST6 |
| February 25, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 25, 2026 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| July 31, 2025 | Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] | ST6 |
| December 31, 2024 | Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] | ST6 |
| November 30, 2024 | Other noncompliance related to a sanitary sewer system or releases from a sanitary sewer system | ST6 |
| November 30, 2022 | Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] | ST6 |
| November 30, 2022 | Other noncompliance related to a sanitary sewer system or releases from a sanitary sewer system | 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, LA0041254.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 LA0041254 there.
Nearby on the register
- Discharge permits in Crowley
- Every permit record in Crowley, A to Z
- Discharge permits in Louisiana
- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.