Clean Water Act discharge permit · NPDES AL0003891
TVA ENVIRONMENTAL RESEARCH CENTER, Muscle Shoals, AL: NPDES AL0003891 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
TVA ENVIRONMENTAL RESEARCH CENTER, held by Tennessee Valley Authority, holds NPDES permit AL0003891. EPA’s file records it issued December 18, 2018 and expiring January 31, 2024. 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 | TVA ENVIRONMENTAL RESEARCH CENTER |
|---|---|
| Permittee as filed | Tennessee Valley Authority |
| NPDES ID | AL0003891 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | December 18, 2018 |
| Expiration date | January 31, 2024 |
| Address | Muscle Shoals, AL 35662 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Abernathy Bottom-Pond Creek (HUC 060300050802) |
| NAICS | 541715 – Research and Development in the Physical, Engineering and Life Sciences (exc Nanotech and Biotech) |
| SIC | 2873 – Nitrogenous Fertilizers |
| Other EPA IDs (FRS) | RCRA handler AL3640090012 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 13Pollutants on file
- 9Under a numeric limit
- 8With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. fahrenheit | 0 | 37 | 2 | July 31, 2010 | 7% over the limit |
| pH | 2 | 71 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 35 | 0 | ||
| Solids, total suspended | 1 | 35 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 35 | 0 | ||
| Chlorine, total residual | 0 | 35 | 0 | ||
| Copper, total [as Cu] | 0 | 10 | 0 | ||
| Zinc, total [as Zn] | 0 | 5 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Cyanide, free available | 1 | 0 | 0 | ||
| Mercury, total recoverable | 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 AL0003891.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AL0003891.
Start the watch
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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 AL0003891 there.
Nearby on the register
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- Every permit record in Alabama, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.