NPDES MORA27864 · Clean Water Act
O'FALLON ENERGY CENTER, O'Fallon, MO: NPDES MORA27864 discharge permit, effluent exceedances, inspections, penalties
O'FALLON ENERGY CENTER, O'Fallon, Missouri: General permit coverage MORA27864, held by Mastercard Technologies LLC; Construction stormwater; Effective; issued February 28, 2025, term to February 7, 2027; discharges to Tributary to Dardenne Cr..
Missouri holds 5,942 Construction stormwater coverages of this permit type in EPA’s file; 4,095 were issued before MORA27864. Mastercard Technologies LLC holds 2 permits in Missouri.
Other permits held by Mastercard Technologies LLC
- O'FALLON ENERGY CENTER, O'Fallon: MORA29085, issued 2025-11-03
Coverages issued nearest MORA27864
- 2025-02-27: TEMP STOP- SEDALIA, Sedalia: MORA27858, held by Temp Stop, LLC
- 2025-02-27: DIRTWORX SHOP GRADING, Strafford: MORA27859, held by Dirtworx
- 2025-02-27: WELLESLEY FARM, Neosho: MORA27860, held by Wellesley Farm
- 2025-02-28: PROJECT HIGHLIGHT FEDEX SEWER EXTENSION, Columbia: MORA27861, held by Emery Sapp and Sons
- 2025-02-28: BLACK DOG CONSULTING, Columbia: MORA27863
- 2025-02-28: OLDHAM EAST, Lee'S Summit: MORA27866, held by Oldham Investors, LLC
- 2025-03-03: IRON GRAIN - EAGLE STOP, Republic: MORA27527, held by Magers Republic NO 3 LLC
- 2025-03-03: SRC FR 123, Springfield: MORA27862, held by SRC Development Group Inc.
- 2025-03-03: BACKRIDGE LANDFILL, La Grange: MORA27865, held by BFI Waste Systems of Missouri, LLC
- 2025-03-03: SUNSET COUNTRY CLUB, Sunset Hills: MORA27867, held by Sunset Country Club
O'FALLON ENERGY CENTER among its neighbors
133 discharge permits are in the Middle Dardenne Creek subwatershed (HUC 071100090104); MORA27864 is one. Its county: 774, 9 major; MORA27864 is minor permit.
Other permits in the Middle Dardenne Creek subwatershed (HUC 071100090104)
- 10 SUNSET ACRES, St Charles: MORA29692, minor, term to 2027-02-07
- 3300 MID RIVERS MALL DR. - SCRUBBLES, Saint Peters: MORA22343, minor, term to 2027-02-07
- 3435 HIGHWAY K - SCRUBBLES, O'Fallon: MORA23007, minor, term to 2027-02-07
- 4001 S. OLD HWY 94 - SCRUBBLES, Saint Peters: MORA22344, minor, term to 2027-02-07
- 4227 TOWERS ROAD, St Charles: MORA29859, minor, term to 2027-02-07
- 7 BREW, O'Fallon: MORA24831, minor, term to 2027-02-07
- A SQUARE SYSTEMS INC., O'Fallon: MONX00981, minor, term to 2030-03-31
- AVENTURA AT ST. PETERS, St Peters: MORA28666, minor, term to 2027-02-07
- BACK ON TRACK VETERINARY CLINIC, O'Fallon: MORA28858, minor, term to 2027-02-07
- BAUER ORTHODONTICS, Cottleville: MORA23057, minor, term to 2027-02-07
Identity
| Facility | O'FALLON ENERGY CENTER |
|---|---|
| Permittee | Mastercard Technologies LLC |
| NPDES ID | MORA27864 |
| Status | Effective |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Construction stormwater |
| Issued | February 28, 2025 |
| Expires | February 7, 2027 |
| Address | O'Fallon, MO 63368 |
| Receiving water | Tributary to Dardenne Cr. |
| Subwatershed | Middle Dardenne Creek (HUC 071100090104) |
| SIC | 1629 – Heavy Construction |
NPDES MORA27864: effluent limits and exceedances
O'FALLON ENERGY CENTER (NPDES MORA27864): 0 pollutants on file, 0 limited; 0 with a violation of any kind, 0 with an exceedance.
NPDES MORA27864: no pollutant row on file.
NPDES MORA27864: inspections, violations and enforcement
NPDES MORA27864 (O'FALLON ENERGY CENTER): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MORA27864
NPDES MORA27864: one email when its EPA record changes — $99/month.
Permits near NPDES MORA27864
NPDES MORA27864: 0 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.