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Clean Water Act discharge permit · NPDES COR430071

CANYONSIDE F2-3A, Castle Pines, CO: NPDES COR430071 discharge permit, effluent exceedances, inspections, penalties

CANYONSIDE F2-3A, held by Richmond American Homes of Colorado, Inc., holds NPDES permit COR430071. EPA’s file records it issued February 24, 2026 and expiring March 31, 2029. 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 CANYONSIDE F2-3A: its NPDES ID, its permit type and status, its dates, its address in Castle Pines, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430071.

Identity

Facility as filedCANYONSIDE F2-3A
Permittee as filedRichmond American Homes of Colorado, Inc.
NPDES IDCOR430071
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 24, 2026
Expiration dateMarch 31, 2029
AddressCastle Pines, CO 80108
SubwatershedNewlin Gulch-Cherry Creek (HUC 101900030108)

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 COR430071.

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 COR430071.

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 COR430071 there.

Nearby on the register

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

What this page shows

CANYONSIDE F2-3A, a general permit coverage in Castle Pines, is one of 289 general permit coverages in Douglas County on EPA's NPDES register, and it is one of 62 NPDES permits in the Newlin Gulch-Cherry Creek subwatershed. Of those 289 Douglas County coverages, 12.5% have a violation on file, and this permit's record shows no pollutants under a numeric limit and no effluent exceedances.