Clean Water Act discharge permit · NPDES TN0057487
TDOC - WEST TENNESSEE STATE PENITENTIARY, Henning, TN: NPDES TN0057487 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
TDOC - WEST TENNESSEE STATE PENITENTIARY, held by TDOC, holds NPDES permit TN0057487, which discharges to Hatchie-Lower. EPA’s file records it issued December 31, 2019 and expiring December 31, 2024. 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 | TDOC - WEST TENNESSEE STATE PENITENTIARY |
|---|---|
| Permittee as filed | TDOC |
| NPDES ID | TN0057487 |
| 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 | December 31, 2019 |
| Expiration date | December 31, 2024 |
| Issuing agency | TDEC - DWR |
| Address | Henning, TN 38041 |
| Receiving water | Hatchie-Lower |
| Subwatershed | Hatchie River Outlet (HUC 080102080806) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 17Under a numeric limit
- 17With a violation of any kind
- 12With 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] | 14 | 293 | 216 | August 31, 2025 | 563% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 266 | 209 | March 31, 2026 | 960% over the limit |
| pH | 4 | 112 | 94 | June 30, 2016 | |
| E. coli, MTEC-MF | 0 | 39 | 39 | December 31, 2019 | 1,310% over the limit |
| E. coli | 4 | 37 | 37 | February 28, 2026 | 514% over the limit |
| Carbonaceous oxygen demand, % removal | 0 | 45 | 36 | July 31, 2016 | 183% over the limit |
| Solids, total suspended | 12 | 89 | 33 | November 30, 2024 | 93% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 47 | 30 | December 31, 2009 | 713% over the limit |
| Oxygen, dissolved [DO] | 2 | 17 | 8 | June 30, 2019 | 74% over the limit |
| BOD, carbonaceous, percent removal | 2 | 6 | 6 | December 31, 2024 | 29% over the limit |
| Chlorine, total residual | 2 | 10 | 1 | May 31, 2006 | 50% over the limit |
| SSO, Dry Weather | 6 | 1 | 1 | June 30, 2024 | 2,147,483,650% over the limit |
| Flow, in conduit or thru treatment plant | 8 | 46 | 0 | ||
| Bypass valve | 0 | 25 | 0 | ||
| Solids, settleable | 2 | 9 | 0 | ||
| Overflows | 0 | 8 | 0 | ||
| Phosphorus, total [as P] | 4 | 4 | 0 | ||
| SSO, Wet Weather | 6 | 0 | 0 | ||
| Nitrogen, total [as N] | 4 | 0 | 0 | ||
| Release [Sewer], Dry Weather | 4 | 0 | 0 | ||
| Release [Sewer], Wet Weather | 4 | 0 | 0 | ||
| Bypass of Treatment Facility | 4 | 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 TN0057487.
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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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 TN0057487 there.
Nearby on the register
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- Every permit record in Tennessee, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.