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Clean Water Act discharge permit · NPDES COR428790

CANYONS FILING 3-SHEA, Castle Pines, CO: NPDES COR428790 discharge permit, effluent exceedances, inspections, penalties

CANYONS FILING 3-SHEA, held by Shea Homes LP, holds NPDES permit COR428790. EPA’s file records it issued September 23, 2025 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 CANYONS FILING 3-SHEA: 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 COR428790.

Identity

Facility as filedCANYONS FILING 3-SHEA
Permittee as filedShea Homes LP
NPDES IDCOR428790
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 23, 2025
Expiration dateMarch 31, 2029
Issuing agencySTA
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 COR428790.

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 COR428790.

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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How we handle your data → Privacy

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 COR428790 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES COR428790 for CANYONS FILING 3-SHEA in Castle Pines, Colorado, held by Shea Homes LP, with a status of Effective, issued September 23, 2025, and expiring March 31, 2029. The page lists a discharger class of Minor, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance, and it places the facility in the Newlin Gulch-Cherry Creek subwatershed (HUC 101900030108).