Clean Water Act discharge permit · NPDES MORA26095
AMEREN - SIOUX (WEST ALTON ENERGY CTR), West Alton, MO: NPDES MORA26095 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
AMEREN - SIOUX (WEST ALTON ENERGY CTR), held by Union Electric Company dba Ameren MO, holds NPDES permit MORA26095, which discharges to Tributary To Spatterdock Lake. EPA’s file records it issued March 5, 2024 and expiring February 7, 2027. 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.
What the register holds for AMEREN - SIOUX (WEST ALTON ENERGY CTR): its NPDES ID, its permit type and status, its dates, its address in West Alton, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MORA26095.
Identity
| Facility as filed | AMEREN - SIOUX (WEST ALTON ENERGY CTR) |
|---|---|
| Permittee as filed | Union Electric Company dba Ameren MO |
| NPDES ID | MORA26095 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | March 5, 2024 |
| Expiration date | February 7, 2027 |
| Address | West Alton, MO 63386 |
| Receiving water | Tributary to Spatterdock Lake |
| Subwatershed | City of Alton-Mississippi River (HUC 071100090402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MORA26095.
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 MORA26095.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MORA26095 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.