Clean Water Act discharge permit · NPDES LA0039802
DELHI, TOWN OF - WWTP, Delhi, LA: NPDES LA0039802 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 20Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
DELHI, TOWN OF - WWTP, held by Town of Delhi, holds NPDES permit LA0039802, which discharges to Bayou Macon. EPA’s file records it issued September 29, 2016 and expiring October 31, 2021. 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 | DELHI, TOWN OF - WWTP |
|---|---|
| Permittee as filed | Town of Delhi |
| NPDES ID | LA0039802 |
| 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, 2016 |
| Expiration date | October 31, 2021 |
| Address | Delhi, LA 71232 |
| Receiving water | BAYOU MACON |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cypress Bayou-Bayou Macon (HUC 080500020505) |
| 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
- 20Pollutants on file
- 20Under a numeric limit
- 18With 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 | 5 | 426 | 381 | June 30, 2026 | 7,012% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 226 | 184 | June 30, 2026 | 1,367% over the limit |
| Chlorine, total residual | 2 | 81 | 61 | May 31, 2023 | 2,476% over the limit |
| Coliform, fecal general | 2 | 81 | 52 | November 30, 2025 | 99,999% over the limit |
| Whole Effluent Toxicity [WET] - C. dubia | 2 | 12 | 12 | July 31, 2026 | 99,999% over the limit |
| pH | 4 | 33 | 6 | October 31, 2023 | |
| Whole Effluent Toxicity [WET] - P. promelas | 2 | 2 | 2 | December 31, 2022 | 5% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 28 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 20 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 2 | 20 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 17 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 16 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 16 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 16 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 16 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 16 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 16 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 16 | 0 | ||
| Nitrogen, total [as N] | 6 | 0 | 0 | ||
| Phosphorus, total [as P] | 6 | 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
- 47Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 14, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| August 14, 2025 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| June 16, 2025 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| November 18, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| February 11, 2024 | WW SSO - Discharge to Waters | ST6 |
| February 11, 2024 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 30, 2022 | WW SSO - Discharge to Waters | ST6 |
| October 30, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| August 23, 2022 | WW SSO - Discharge to Waters | ST6 |
| August 23, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| June 30, 2022 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| September 30, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| June 30, 2021 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| October 10, 2020 | WW SSO - Discharge to Waters | ST6 |
| October 10, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| September 23, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 23, 2020 | WW SSO - Discharge to Waters | ST6 |
| September 23, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| September 23, 2020 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 31, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 5, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| March 5, 2020 | WW SSO - Discharge to Waters | ST6 |
| March 5, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| December 31, 2019 | Management Practice Violations - Failure to Conduct Inspections | ST6 |
| October 26, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| October 26, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 13, 2019 | WW SSO - Discharge to Waters | ST6 |
| April 13, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
| January 3, 2019 | WW SSO - Discharge to Waters | ST6 |
| January 3, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
| December 31, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 30, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| October 31, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| October 22, 2018 | WW SSO - Discharge to Waters | ST6 |
| October 22, 2018 | WW SSO - Improper Operation and Maintenance | ST6 |
| September 27, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 31, 2018 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 30, 2018 | WW SSO - Discharge to Waters | ST6 |
| July 30, 2018 | WW SSO - Improper Operation and Maintenance | ST6 |
| June 5, 2018 | WW SSO - Discharge to Waters | ST6 |
| May 28, 2018 | WW SSO - Improper Operation and Maintenance | ST6 |
| April 30, 2018 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 31, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 28, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 19, 2017 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 17, 2017 | Management Practice Violations - Violation of a milestone in an order | ST6 |
| February 28, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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 October 14, 2026.