Clean Water Act discharge permit · NPDES TN0078271
TRENTON WWTP, Trenton, TN: NPDES TN0078271 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
TRENTON WWTP, held by Trenton Light and Water, holds NPDES permit TN0078271, which discharges to Forked Deer-North Fork. EPA’s file records it issued February 1, 2017 and expiring January 31, 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 | TRENTON WWTP |
|---|---|
| Permittee as filed | Trenton Light and Water |
| NPDES ID | TN0078271 |
| 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 | February 1, 2017 |
| Expiration date | January 31, 2022 |
| Issuing agency | TDEC - DWR |
| Address | Trenton, TN 38382 |
| Receiving water | Forked Deer-North Fork |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | North Fork Forked Deer River Middle (HUC 080102040304) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 18Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 7 | 128 | 121 | June 30, 2019 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 120 | 114 | June 30, 2019 | 490% over the limit |
| Solids, total suspended | 7 | 75 | 68 | March 31, 2023 | 219% over the limit |
| Oxygen, dissolved [DO] | 1 | 20 | 19 | March 31, 2018 | 36% over the limit |
| Solids, suspended percent removal | 1 | 13 | 12 | May 31, 2019 | 89% over the limit |
| E. coli | 2 | 10 | 10 | October 31, 2018 | 99,999% over the limit |
| Solids, settleable | 1 | 7 | 6 | October 31, 2014 | 70% over the limit |
| E. coli, MTEC-MF | 0 | 6 | 4 | December 31, 2016 | 99,999% over the limit |
| SSO, Dry Weather | 1 | 2 | 2 | August 31, 2021 | 2,147,483,650% over the limit |
| pH | 2 | 3 | 1 | June 30, 2014 | |
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| Overflows | 2 | 2 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Bypass valve | 1 | 1 | 0 | ||
| Carbonaceous oxygen demand, % removal | 1 | 1 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 1 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 1 | 1 | 0 | ||
| SSO, Wet Weather | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TN0078271.
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 14, 2026.