Clean Water Act discharge permit · NPDES LA0039055
RAYNE CITY OF - WWTP, Rayne, LA: NPDES LA0039055 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 27Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
RAYNE CITY OF - WWTP, held by RAYNE, CITY OF, holds NPDES permit LA0039055, which discharges to Bayou Blanc. EPA’s file records it issued September 29, 2020 and expiring October 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | RAYNE CITY OF - WWTP |
|---|---|
| Permittee as filed | RAYNE, CITY OF |
| NPDES ID | LA0039055 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 29, 2020 |
| Expiration date | October 31, 2025 |
| Address | Rayne, LA 70578 |
| Receiving water | BAYOU BLANC |
| Subwatershed | Bayou Blanc-Bayou Plaquemine Brule (HUC 080802010206) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 29Pollutants on file
- 27Under a numeric limit
- 21With 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 |
|---|---|---|---|---|---|
| Whole effluent toxicity | 0 | 22 | 10 | April 30, 2007 | 99,999% over the limit |
| Solids, total suspended | 3 | 12 | 9 | May 31, 2018 | 147% over the limit |
| Solids, total dissolved | 3 | 9 | 9 | September 30, 2018 | 140% over the limit |
| Whole Effluent Toxicity [WET] - P. promelas | 2 | 8 | 4 | February 28, 2025 | 100% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 4 | 1 | August 31, 2016 | 40% over the limit |
| Coliform, fecal general | 2 | 3 | 1 | April 30, 2025 | 4% over the limit |
| Solids, suspended percent removal | 0 | 1 | 1 | June 30, 2026 | 27% over the limit |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 12 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 2 | 10 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 10 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 10 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 10 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 8 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 6 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 6 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 6 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 3 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 1 | 0 | ||
| Nitrogen, total [as N] | 3 | 0 | 0 | ||
| Phosphorus, total [as P] | 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 |
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 16, 2021 | 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
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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 LA0039055 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.