Clean Water Act discharge permit · NPDES TN0064238
HENDERSON STP- SOUTH LAGOON, Henderson, TN: NPDES TN0064238 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
HENDERSON STP- SOUTH LAGOON, held by City of Henderson, holds NPDES permit TN0064238, which discharges to Forked Deer-South Fork. EPA’s file records it issued December 5, 2016 and expiring November 30, 2021. 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 | HENDERSON STP- SOUTH LAGOON |
|---|---|
| Permittee as filed | City of Henderson |
| NPDES ID | TN0064238 |
| 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 5, 2016 |
| Expiration date | November 30, 2021 |
| Issuing agency | TDEC - DWR |
| Address | Henderson, TN 38340 |
| Receiving water | Forked Deer-South Fork |
| Subwatershed | South Fork Forked Deer River-Clark Creek (HUC 080102050105) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 12With a violation of any kind
- 9With 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, 5-day, 20 deg. C | 8 | 189 | 181 | January 31, 2026 | 44,433% over the limit |
| pH | 2 | 85 | 83 | March 31, 2022 | |
| Solids, total suspended | 6 | 71 | 65 | October 31, 2022 | 316% over the limit |
| Chlorine, total residual | 1 | 64 | 63 | August 31, 2024 | 900% over the limit |
| BOD, 5-day, percent removal | 1 | 12 | 12 | March 31, 2026 | 163% over the limit |
| E. coli | 2 | 8 | 8 | February 28, 2022 | 297% over the limit |
| Solids, settleable | 1 | 4 | 3 | November 30, 2015 | 300% over the limit |
| E. coli, MTEC-MF | 0 | 3 | 3 | February 29, 2016 | 46% over the limit |
| Oxygen, dissolved [DO] | 1 | 2 | 1 | November 30, 2010 | 100% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Overflows | 2 | 3 | 0 | ||
| Bypass valve | 1 | 3 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TN0064238.
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 TN0064238 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.