NPDES MOR203243 · Clean Water Act

MP INDUSTRIES, INC., O'Fallon, MO: NPDES MOR203243 discharge permit, effluent exceedances, inspections, penalties

MP INDUSTRIES, INC., O'Fallon, Missouri: General permit coverage MOR203243, held by JAMES S REID; Industrial stormwater; Administratively continued; issued October 9, 2019, term to August 31, 2024; discharges to Tributary to Belleau Creek.

July 3, 2019: 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; 1,966 were issued before MOR203243.

Coverages issued nearest MOR203243

2019-10-07: PERMALOK CORPORATION, A NORTHWEST PIPE, Ferguson: MOR203464, held by PermaLok Corp. Northwest Pipe Co.
2019-10-09: WEIR PUMP AND VALVE SOLUTIONS, INC, St. Louis: MOR203054, held by Weir Pump and Valve Solutions Inc
2019-10-09: ROTO-DIE COMPANY, INC., Eureka: MOR203057, held by Roto Die Company Inc
2019-10-09: IMPERIAL ORNAMENTAL METAL COMPANY, INC., Fenton: MOR203196, held by TOM REINBOLD
2019-10-09: BULL MOOSE TUBE COMPANY, Gerald: MOR203238, held by Andrew Schoenekase
2019-10-10: H-J ENTERPRISE, INC, High Ridge: MOR203257, held by J F SHEKELTON, JR
2019-10-10: IMRIE ST. LOUIS FOUNDRY, LLC, St. Louis: MOR203300, held by ST. LOUIS PRECISION CAST.
2019-10-10: SONACA NORTH AMERICA - HIGHWAY 94 PLANT, St Charles: MOR203350, held by LMI AEROSPACE
2019-10-10: SONACA NORTH AMERICA MUELLER ROAD PLANT, St. Charles: MOR203483, held by LMI Aerospace - Mueller Road
2019-10-11: PLAYPOWER INC, Monett: MOR203159, held by PlayPower, Inc.

MP INDUSTRIES, INC. among its neighbors

Its county: 774, 9 major; MOR203243 is minor permit.

Other permits in the county

10 GERBER INDUSTRIAL DRIVE, St Peters: MORA30166, minor, term to 2027-02-07
10 SUNSET ACRES, St Charles: MORA29692, minor, term to 2027-02-07
103 N. COOL SPRINGS ROAD, O'Fallon: MORA22306, minor, term to 2027-02-07
1046 WENTZVILLE PARKWAY, Wentzville: MORA22953, minor, term to 2027-02-07
1120 COUNTRY CLUB ROAD, St Charles: MORA27506, minor, term to 2027-02-07
1125 CAVE SPRINGS ESTATES DR - SCRUBBLES, Saint Peters: MORA22206, minor, term to 2027-02-07
155 RUCKMAN LANE, Defiance: MORA29120, minor, term to 2027-02-07
2.486 ACRES VETERANS MEMORIAL PARKWAY, Ofallon: MORA25363, minor, term to 2027-02-07
2250 S. OLD HIGHWAY 94, St Charles: MORA28169, minor, term to 2027-02-07
297 SALT LICK RD. - SCRUBBLES, St. Peters: MORA22342, minor, term to 2027-02-07

Identity

Facility	MP INDUSTRIES, INC.
Permittee	JAMES S REID
NPDES ID	MOR203243
Status	Administratively continued
Type	General permit coverage
Class	Minor
Facility type	Non-POTW
Program	Industrial stormwater
Issued	October 9, 2019
Expires	August 31, 2024
Address	O'Fallon, MO 63366
Receiving water	Tributary to Belleau Creek
SIC	3499 – Fabricated Metal Products
Other EPA IDs (FRS)	RCRA handler MOD004171435; ICIS-AIR source MO0000002918300012

NPDES MOR203243: effluent limits and exceedances

MP INDUSTRIES, INC. (NPDES MOR203243): 0 pollutants on file, 0 limited; 0 with a violation of any kind, 0 with an exceedance.

NPDES MOR203243: no pollutant row on file.

NPDES MOR203243: inspections, violations and enforcement

NPDES MOR203243: 1 single-event violation

Date	What EPA recorded	Agency
July 3, 2019	WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP	ST6

NPDES MOR203243 (MP INDUSTRIES, INC.): no inspection, formal enforcement action and informal enforcement action on file.

Watch NPDES MOR203243

NPDES MOR203243: one email when its EPA record changes — $99/month.

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Permits near NPDES MOR203243

NPDES MOR203243: 0 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.