NPDES MORA29085 · Clean Water Act
O'FALLON ENERGY CENTER, O'Fallon, MO: NPDES MORA29085 discharge permit, effluent exceedances, inspections, penalties
O'FALLON ENERGY CENTER, O'Fallon, Missouri: General permit coverage MORA29085, held by Mastercard Technologies LLC; Construction stormwater; Effective; issued November 3, 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; 4,895 were issued before MORA29085. Mastercard Technologies LLC holds 2 permits in Missouri.
Other permits held by Mastercard Technologies LLC
- O'FALLON ENERGY CENTER, O'Fallon: MORA27864, issued 2025-02-28
Coverages issued nearest MORA29085
- 2025-10-31: RIVERCREST ESTATES, Bonne Terre: MORA29082, held by Lost Creek Properties
- 2025-11-02: LOT 1 NORTHWEST INDUSTIRAL PARK, Mount Vernon: MORA29084, held by CLARK, HEIDI M TRUST
- 2025-11-03: LEBANON APARTMENTS, Lebanon: MORA28386, held by Bryan Properties Management Company
- 2025-11-03: REDISCOVER MENTAL HEALTH, Kansas City: MORA29049, held by ReDiscover Mental Health
- 2025-11-03: PRAIRIE FIELD 5TH PLAT, Kearney: MORA29078, held by Meridian Properties LLC
- 2025-11-03: AG COOP SERVICES-SEDALIA, Sedalia: MORA29087, held by AG COOP SERVICES
- 2025-11-03: 601 BARNES RD, St Louis: MORA29089, held by Borden Properties LLC
- 2025-11-03: FOUNTAINBLEAU LODGE, Cape Girardeau: MORA29090, held by Fountainbleau of Cape Girardeau, INC.
- 2025-11-03: DEKALB HIGH SCHOOL, De Kalb: MORA29092, held by DeKalb Public School District
- 2025-11-03: LOT 140 RAVENWOOD, Columbia: MORA29093, held by john hansman construction
O'FALLON ENERGY CENTER among its neighbors
133 discharge permits are in the Middle Dardenne Creek subwatershed (HUC 071100090104); MORA29085 is one. Its county: 774, 9 major; MORA29085 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 | MORA29085 |
| Status | Effective |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Construction stormwater |
| Issued | November 3, 2025 |
| Expires | February 7, 2027 |
| Address | O'Fallon, MO 63368 |
| Receiving water | Tributary to Dardenne Cr. |
| Subwatershed | Middle Dardenne Creek (HUC 071100090104) |
NPDES MORA29085: effluent limits and exceedances
O'FALLON ENERGY CENTER (NPDES MORA29085): 0 pollutants on file, 0 limited; 0 with a violation of any kind, 0 with an exceedance.
NPDES MORA29085: no pollutant row on file.
NPDES MORA29085: inspections, violations and enforcement
NPDES MORA29085 (O'FALLON ENERGY CENTER): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MORA29085
NPDES MORA29085: one email when its EPA record changes — $99/month.
Permits near NPDES MORA29085
NPDES MORA29085: 0 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.