Clean Water Act discharge permit · NPDES MORA26321

STORECO STORAGE, O'Fallon, MO: NPDES MORA26321 discharge permit, effluent exceedances, inspections, penalties

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

STORECO STORAGE, held by StoreCo Storage, holds NPDES permit MORA26321, which discharges to Tributary To Belleau Creek. EPA’s file records it issued April 11, 2024 and expiring February 7, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for STORECO STORAGE: its NPDES ID, its permit type and status, its dates, its address in O'Fallon, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MORA26321.

Identity

Facility as filed	STORECO STORAGE
Permittee as filed	StoreCo Storage
NPDES ID	MORA26321
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	April 11, 2024
Expiration date	February 7, 2027
Address	O'Fallon, MO 63366
Receiving water	Tributary to Belleau Creek
Subwatershed	Lower Dardenne Creek (HUC 071100090105)
SIC	1629 – Heavy Construction

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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 MORA26321.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MORA26321.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MORA26321.

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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 MORA26321 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit MORA26321, held by StoreCo Storage for STORECO STORAGE in O'Fallon, Missouri, which discharges to Tributary to Belleau Creek in the Lower Dardenne Creek subwatershed (HUC 071100090105). The page lists the permit as Effective and a Minor discharger, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance. The permit was issued April 11, 2024 and expires February 7, 2027, as recorded in EPA's file when loaded October 14, 2026.