NPDES MORA28173 · Clean Water Act
AMEREN MISSOURI - MERAMEC ENERGY CENTER, St. Louis, MO: NPDES MORA28173 discharge permit, effluent exceedances, inspections, penalties
AMEREN MISSOURI - MERAMEC ENERGY CENTER, St. Louis, Missouri: General permit coverage MORA28173, held by Union Electric Co. d/b/a Ameren Missouri; Construction stormwater; Effective; issued April 22, 2025, term to February 7, 2027; discharges to Tributary to Meramec R..
Missouri holds 5,942 Construction stormwater coverages of this permit type in EPA’s file; 4,294 were issued before MORA28173.
Coverages issued nearest MORA28173
- 2025-04-22: VNV BYERS SITE, Joplin: MORA27824, held by Vita Nova Village
- 2025-04-22: BALLWIN PUBLIC WORKS FACILITY, Ballwin: MORA28116, held by CITY OF BALLWIN
- 2025-04-22: MICDS LOWER SCHOOL ADDITIONS, Ladue: MORA28139, held by MICDS LOWER SCHOOL Additions
- 2025-04-22: JOHNSON COUNTY EGG FARM, LLC, Knob Noster: MORA28160, held by Johnson County Egg Farm, LLC
- 2025-04-22: 2250 S. OLD HIGHWAY 94, St Charles: MORA28169, held by WOCO Partners, LLC
- 2025-04-22: JEFF COUNTY INDUSTRIAL COURT, House Springs: MORA28174, held by Duggins Holdings LLC
- 2025-04-22: BEE SECURE STORAGE, Springfield: MORA28175, held by Timbercross Properties, LLC
- 2025-04-22: IDEAL LANDSCAPE GROUP, St Louis: MORA28176, held by Ideal Landscape Group
- 2025-04-23: HAWK POINT ELEMENTARY SCHOOL, Hawk Point: MORA28178, held by Lincoln County R-III School District
- 2025-04-23: GREENBRIDGE ESTATES, Ozark: MORA28181, held by Terra Innovations
AMEREN MISSOURI - MERAMEC ENERGY CENTER among its neighbors
16 discharge permits are in the Carr Creek-Mississippi River subwatershed (HUC 071401010603); MORA28173 is one. Its county: 872, 8 major; MORA28173 is minor permit.
Other permits in the Carr Creek-Mississippi River subwatershed (HUC 071401010603)
- ADMIRAL TROST OFFICE LOT 9 OFFICE BUILDING, Columbia: ILR10ZDDI, minor, term to 2028-08-31
- AMEREN MISSOURI - MERAMEC ENERGY CENTER, St. Louis: MO0000361, major, term to 2022-12-31
- BECKER PINES, Oakville: MORA29875, minor, term to 2027-02-07
- COLUMBIA HIGH SCHOOL BUILDING ADDITION, Columbia: ILR10ZDOV, minor, term to 2028-08-31
- COLUMBIA HIGH SCHOOL PARKING LOT IMPROVEMENTS, Columbia: ILR10ZDGA, minor, term to 2028-08-31
- COUNTRY CROSSINGS II, Columbia: ILR10ZE1O, minor, term to 2028-08-31
- FIFTH ADDITION TO PIONEER RIDGE, Columbia: ILR10ZH7X, minor, term to 2028-08-31
- HOPE AND RESTORATION COMMUNITY CENTER, Imperial: MORA27004, minor, term to 2027-02-07
- LIFE COMMUNITY CHURCH, Columbia: ILR10ZGVL, minor, term to 2028-08-31
- MSD LOWER MERAMEC WWTP, St. Louis: MO0127949, major, term to 2022-12-31
Identity
| Facility | AMEREN MISSOURI - MERAMEC ENERGY CENTER |
|---|---|
| Permittee | Union Electric Co. d/b/a Ameren Missouri |
| NPDES ID | MORA28173 |
| Status | Effective |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Construction stormwater |
| Issued | April 22, 2025 |
| Expires | February 7, 2027 |
| Address | St. Louis, MO 63129 |
| Receiving water | Tributary to Meramec R. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Carr Creek-Mississippi River (HUC 071401010603) |
| SIC | 1629 – Heavy Construction |
| Other EPA IDs (FRS) | RCRA handler MOD086817897; ICIS-AIR source MO0000002918900010 |
NPDES MORA28173: effluent limits and exceedances
AMEREN MISSOURI - MERAMEC ENERGY CENTER (NPDES MORA28173): 0 pollutants on file, 0 limited; 0 with a violation of any kind, 0 with an exceedance.
NPDES MORA28173: no pollutant row on file.
NPDES MORA28173: inspections, violations and enforcement
NPDES MORA28173 (AMEREN MISSOURI - MERAMEC ENERGY CENTER): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MORA28173
NPDES MORA28173: one email when its EPA record changes — $99/month.
Permits near NPDES MORA28173
NPDES MORA28173: 0 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.