Clean Water Act discharge permit · NPDES MORA28578

WAPELHORST PARL, Saint Charles, MO: NPDES MORA28578 discharge permit, effluent exceedances, inspections, penalties

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

WAPELHORST PARL, held by City of St. Charles Parks and Recreation, holds NPDES permit MORA28578, which discharges to Tributary To Cole Creek. EPA’s file records it issued July 15, 2025 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 WAPELHORST PARL: its NPDES ID, its permit type and status, its dates, its address in Saint Charles, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MORA28578.

Identity

Facility as filed	WAPELHORST PARL
Permittee as filed	City of St. Charles Parks and Recreation
NPDES ID	MORA28578
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	July 15, 2025
Expiration date	February 7, 2027
Address	Saint Charles, MO 63303
Receiving water	Tributary to Cole 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 MORA28578.

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 MORA28578.

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 MORA28578 there.

Nearby on the register

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

Permit MORA28578, filed under the name WAPELHORST PARL for the City of St. Charles Parks and Recreation, is one of 604 storm water construction permits in St. Charles County, Missouri, counting this one. Of those 604 permits, 2.5% have a violation on file, while 80.1% of them carry an earlier issue date than this permit's July 15, 2025 issuance. The permit also sits within the Lower Dardenne Creek subwatershed, which holds 169 NPDES permits including this one, and it records no pollutants under a numeric limit and no effluent exceedances.