Clean Water Act discharge permit · NPDES MSP091762
TVA CALEDONIA COMBINED CYCLE PLANT, Caledonia, MS: NPDES MSP091762 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TVA CALEDONIA COMBINED CYCLE PLANT holds NPDES permit MSP091762, which discharges to Ms0056472 - Columbus Potw. EPA’s file records it issued December 12, 2016 and expiring November 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TVA CALEDONIA COMBINED CYCLE PLANT |
|---|---|
| Permittee as filed | TVA CALEDONIA COMBINED CYCLE PLANT |
| NPDES ID | MSP091762 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | December 12, 2016 |
| Expiration date | November 30, 2021 |
| Issuing agency | MDEQ |
| Address | Caledonia, MS 39766 |
| Receiving water | MS0056472 - COLUMBUS POTW |
| Other EPA IDs (FRS) | RCRA handler MSR000104729 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 7Pollutants on file
- 6Under a numeric limit
- 7With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Chromium, total recoverable | 1 | 8 | 0 | ||
| Oxidants, total residual | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Zinc, total recoverable | 1 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MSP091762.
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 MSP091762.
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, MSP091762.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MSP091762 there.
Nearby on the register
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- Every permit record in Caledonia, A to Z
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- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.