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Clean Water Act discharge permit · NPDES MORA29521

MEXICO ROAD APARTMENTS, Saint Peters, MO: NPDES MORA29521 discharge permit, effluent exceedances, inspections, penalties

MEXICO ROAD APARTMENTS, held by Mia Rose Holdings LLC, holds NPDES permit MORA29521, which discharges to Tributary To Spencer Creek. EPA’s file records it issued February 12, 2026 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 MEXICO ROAD APARTMENTS: its NPDES ID, its permit type and status, its dates, its address in Saint Peters, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MORA29521.

Identity

Facility as filedMEXICO ROAD APARTMENTS
Permittee as filedMia Rose Holdings LLC
NPDES IDMORA29521
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 12, 2026
Expiration dateFebruary 7, 2027
AddressSaint Peters, MO 63376
Receiving waterTributary to Spencer Creek
SubwatershedLower Dardenne Creek (HUC 071100090105)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MORA29521.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MORA29521.

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.

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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 MORA29521 there.

Nearby on the register

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

What this page shows

The Mexico Road Apartments permit, held by Mia Rose Holdings LLC and covering a storm water construction site in Saint Peters, Missouri, is one of 604 such permits in St. Charles County, and 2.5% of those 604 carry a violation on file. It also sits within the Lower Dardenne Creek subwatershed, which contains 169 NPDES permits, this one included, and records no pollutants under a numeric limit or effluent exceedances.