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Clean Water Act discharge permit · NPDES COR426283

PARTERRE-FILING 4, Thornton, CO: NPDES COR426283 discharge permit, effluent exceedances, inspections, penalties

PARTERRE-FILING 4, held by Taylor Morrison of Colorado, Inc, holds NPDES permit COR426283. EPA’s file records it issued January 6, 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 PARTERRE-FILING 4: its NPDES ID, its permit type and status, its dates, its address in Thornton, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426283.

Identity

Facility as filedPARTERRE-FILING 4
Permittee as filedTaylor Morrison of Colorado, Inc
NPDES IDCOR426283
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 6, 2025
Expiration dateMarch 31, 2029
Issuing agencySTA
AddressThornton, CO 80602
SubwatershedTodd Creek-South Platte River (HUC 101900030405)

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 COR426283.

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 COR426283.

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 COR426283 there.

Nearby on the register

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

What this page shows

PARTERRE-FILING 4 is one of 9 general permit coverages in Thornton, and it is one of 60 NPDES permits in the Todd Creek-South Platte River subwatershed. Of those 9 Thornton general permit coverages, 0.0% have a violation on file, and this permit records no pollutants under a numeric limit and no effluent exceedances.