RMC PLANT 51 - STE. GENEVIEVE, Ste. Genevieve, MO: NPDES MOG490344 discharge permit, effluent exceedances, inspections, penalties

RMC PLANT 51 - STE. GENEVIEVE, Ste. Genevieve, Missouri: General permit coverage MOG490344, held by RMC, LLC; Industrial stormwater; Effective; issued June 14, 2022, term to April 30, 2027; discharges to Tributary to South Gabouri Creek.

• Solids, total suspended: 2 limits, 14 violations of any kind, 12 effluent exceedances, latest June 30, 2025, largest 391% over the limit.
• pH: 2 limits, 5 violations of any kind, 3 effluent exceedances, latest June 30, 2025.
• Solids, settleable: 2 limits, 2 violations of any kind.
• Oil and grease [soxhlet extr.] tot.: 2 limits, 2 violations of any kind.
• Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind.

• October 2, 2025: Effluent Violations - Numeric effluent violation (ST6).
• December 30, 2024: Effluent Violations - Numeric effluent violation (ST6).
• December 22, 2023: WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) (ST6).
• December 22, 2023: Effluent Violations - Narrative Effluent Violation (ST6).
• December 22, 2023: Management Practice Violations - Improper Operation and Maintenance (ST6).
• December 22, 2023: Permit Violations - Violation Specified in Comment (ST6).
• December 22, 2023: Effluent Violations - Numeric effluent violation (ST6).
• December 22, 2023: WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP (ST6).

Missouri holds 3,107 Industrial stormwater coverages of this permit type in EPA’s file; 2,464 were issued before MOG490344. RMC, LLC holds 7 permits in Missouri.

Other permits held by RMC, LLC

• RMC PLANT 57 - DUDLEY, Dudley: MOG491390, issued 2017-10-01
• RMC PLANT 58 - POPLAR BLUFF, Poplar Bluff: MOG491431, issued 2019-02-15
• RMC PLANT 50 - FREDERICKTOWN, Fredericktown: MOG491557, issued 2022-11-01
• RMC PLANT 49 - MCBRIDE, Mcbride: MOG491587, issued 2023-09-01
• RMC-SIKESTON, Sikeston: MOG491640, issued 2025-08-29
• RMC PLANT 49 - MCBRIDE, Mcbride: MORA23977, issued 2023-04-14

Coverages issued nearest MOG490344

• 2022-06-01: HIGHLAND AUTO PARTS, Nevada: MOR60A461, held by Highland Auto Parts, LLC
• 2022-06-02: NABRICO MARINE PRODUCTS, INC -, Caruthersville: MOR23D023, held by ARCOSA MARINE PRODUCTS, INC.
• 2022-06-03: ECOWASTE SOLUTIONS, Winona: MOR80H193, held by ADP Waste LLC
• 2022-06-10: ELEVEN POINT SAND AND GRAVEL, Birch Tree: MOG500200, held by Eleven Point Sand and Gravel, LLC
• 2022-06-14: VLC AGGREGATES, INC., Bonne Terre: MOG490214, held by Lead Belt Materials Company, Inc.
• 2022-06-22: SEMO OPERATING COMPANY, Jackson: MOG490750, held by SEMO Operating Company LLC
• 2022-06-23: OZARK BUILDING MATERIALS PLANT 07 KNOX, St. Louis: MOG490342, held by Raineri Building Material, Inc.
• 2022-06-23: CAPITAL QUARRIES CO OWENSVILLE QUARRY, Owensville: MOG490427, held by Capital Quarries Company Inc
• 2022-06-23: CAPITAL QUARRIES CO HERMANN QUARRY, Hermann: MOG490962, held by Capital Quarries Company, Inc.
• 2022-06-24: EMC PLANT 95 EUREKA, Eureka: MOG490341, held by Raineri Building Materials, Inc.

RMC PLANT 51 - STE. GENEVIEVE among its neighbors

21 discharge permits are in the Moro Island-Mississippi River subwatershed (HUC 071401010910); MOG490344 is one. Its county: 65, 3 major; MOG490344 is minor permit.

Other permits in the Moro Island-Mississippi River subwatershed (HUC 071401010910)

• BRAUN BORROW, Ste. Genevieve: MORA26514, minor, term to 2027-02-07
• BREEZE HILL ESTATES WWTF, Ste. Genevieve: MOGD00616, minor, term to 2024-06-30
• BREEZE HILL ESTATES WWTF, Ste. Genevieve: MOGDS0133, minor, term to 2029-06-30
• CITY OF STE. GENEVIEVE, Ste. Genevieve: MOL052159, minor, term to 2025-12-31
• COUNTRY VILLAGE ESTATES WWTP, Ste. Genevieve: MO0095494, minor, term to 2021-12-31
• CWI OF MO, INC.-TRANSFER STATION, Ste. Genevieve: MOR80H062, minor, term to 2029-09-30
• ENABLE MISSISSIPPI RIVER TRANSMISSION, Ste Genevieve: MOG140013, minor, term to 2024-06-30
• LHOIST NORTH AMERICA OF MISSOURI INC, Ste. Genevieve: MO0124044, major, term to 2012-10-18
• LHOIST NORTH AMERICA OF MISSOURI INC, Ste. Genevieve: MOG491396, minor, term to 2027-04-30
• MISSISSIPPI LIME COMPANY LLC, Ste. Genevieve: MOR80C164, minor, term to 2027-11-30