Clean Water Act discharge permit · NPDES MO0001082
AMEREN MISSOURI - TAUM SAUK ENERGY CTR., Annapolis, MO: NPDES MO0001082 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
AMEREN MISSOURI - TAUM SAUK ENERGY CTR., held by Ameren Missouri, holds NPDES permit MO0001082, which discharges to Tributary To E. Fk. Black R.. EPA’s file records it issued January 1, 2020 and expiring December 31, 2024. 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 | AMEREN MISSOURI - TAUM SAUK ENERGY CTR. |
|---|---|
| Permittee as filed | Ameren Missouri |
| NPDES ID | MO0001082 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 1, 2020 |
| Expiration date | December 31, 2024 |
| Address | Annapolis, MO 63620 |
| Receiving water | Tributary to E. Fk. Black R. |
| Subwatershed | East Fork Black River (HUC 110100070202) |
| Other EPA IDs (FRS) | RCRA handler MOR000032722 |
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
- 4With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 4 | 4 | January 31, 2010 | 290% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 4 | 4 | December 31, 2020 | 279% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 3 | 3 | January 31, 2010 | 323% over the limit |
| pH | 2 | 1 | 1 | June 30, 2020 | |
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 0 | 0 | ||
| Freeboard | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 8, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
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 MO0001082 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.