Clean Water Act discharge permit · NPDES MORA20551

VILLAS AT ARAGON, O'Fallon, MO: NPDES MORA20551 discharge permit, effluent exceedances, inspections, penalties

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

VILLAS AT ARAGON, held by Villages of Aragon, LLC, holds NPDES permit MORA20551, which discharges to Tributary To Belleau Creek. EPA’s file records it issued March 9, 2022 and expiring February 7, 2027. 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.

What the register holds for VILLAS AT ARAGON: 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 MORA20551.

Identity

Facility as filed	VILLAS AT ARAGON
Permittee as filed	Villages of Aragon, LLC
NPDES ID	MORA20551
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	March 9, 2022
Expiration date	February 7, 2027
Address	O'Fallon, MO 63366
Receiving water	Tributary to Belleau Creek
Subwatershed	Lower Dardenne Creek (HUC 071100090105)

Cited to the EPA ICIS-NPDES permit file (ECHO 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 MORA20551.

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 MORA20551.

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, MORA20551.

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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 MORA20551 there.

Nearby on the register

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

The VILLAS AT ARAGON storm water construction permit, filed under the permittee Villages of Aragon, LLC, is one of 604 storm water construction permits in St. Charles County, and 2.5% of those permits have a violation on file. The permit sits within the Lower Dardenne Creek subwatershed, where 169 NPDES permits are registered, this one included. Its record shows no pollutants under a numeric limit and no pollutants with an effluent exceedance.