Clean Water Act discharge permit · NPDES MOR23A115

STERIS ST. LOUIS, St. Louis, MO: NPDES MOR23A115 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

STERIS ST. LOUIS, held by STERIS CORPORATION, holds NPDES permit MOR23A115, which discharges to Tributary To River Des Peres. EPA’s file records it issued December 11, 2020 and expiring October 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	STERIS ST. LOUIS
Permittee as filed	STERIS CORPORATION
NPDES ID	MOR23A115
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	December 11, 2020
Expiration date	October 31, 2025
Address	St. Louis, MO 63133
Receiving water	Tributary to River Des Peres
Subwatershed	Schoenberger Creek-Mississippi River (HUC 071401010403)
Other EPA IDs (FRS)	RCRA handler MOD043504372; ICIS-AIR source MO0000002918901078

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MOR23A115.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
February 7, 2023	WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP	ST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MOR23A115 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act discharge permit NPDES MOR23A115 for STERIS ST. LOUIS in St. Louis, MO, held by STERIS CORPORATION, which discharges to Tributary To River Des Peres under the industrial stormwater program. The EPA file lists the permit as administratively continued, issued December 11, 2020 and expiring October 31, 2025, with a minor discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.