Clean Water Act discharge permit · NPDES TN0080918
TVA - LAGOON CREEK COMBINED CYCLE FACILITY, Brownsville, TN: NPDES TN0080918 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
TVA - LAGOON CREEK COMBINED CYCLE FACILITY, held by Tennessee Valley Authority (TVA), holds NPDES permit TN0080918, which discharges to Hatchie-Lower. EPA’s file records it issued May 8, 2019 and expiring May 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 | TVA - LAGOON CREEK COMBINED CYCLE FACILITY |
|---|---|
| Permittee as filed | Tennessee Valley Authority (TVA) |
| NPDES ID | TN0080918 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Federal facility |
| Issued | May 8, 2019 |
| Expiration date | May 31, 2024 |
| Issuing agency | TDEC - DWR |
| Address | Brownsville, TN 38012 |
| Receiving water | Hatchie-Lower |
| Subwatershed | Lagoon Creek (HUC 080102080801) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 15Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| LC50 Static 48Hr Acute Pimephales promelas | 1 | 2 | 1 | July 31, 2014 | 77% over the limit |
| Oil & Grease | 8 | 1 | 1 | August 31, 2014 | 39% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 1 | 1 | March 31, 2022 | 101% over the limit |
| pH | 2 | 1 | 1 | December 31, 2013 | |
| Temperature rate of change deg. C/hr | 1 | 1 | 1 | July 31, 2010 | 85% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 1 | July 31, 2014 | 77% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 1 | 1 | September 30, 2010 | 38% over the limit |
| Solids, total suspended | 8 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 4 | 0 | 0 | ||
| Zinc, total [as Zn] | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 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 TN0080918.
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 TN0080918 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.