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Clean Water Act discharge permit · NPDES COR426619

TANTERRA - FILING 8, Town Of Parker, CO: NPDES COR426619 discharge permit, effluent exceedances, inspections, penalties

TANTERRA - FILING 8, held by HEI Civil, holds NPDES permit COR426619. EPA’s file records it issued February 14, 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 TANTERRA - FILING 8: its NPDES ID, its permit type and status, its dates, its address in Town Of Parker, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426619.

Identity

Facility as filedTANTERRA - FILING 8
Permittee as filedHEI Civil
NPDES IDCOR426619
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 14, 2025
Expiration dateMarch 31, 2029
Issuing agencySTA
AddressTown Of Parker, CO 80134
SubwatershedLemon Gulch-Cherry Creek (HUC 101900030107)

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 COR426619.

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 COR426619.

Inspections

EPA’s inspection file holds no inspection for NPDES COR426619.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES COR426619.

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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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 COR426619 there.

Nearby on the register

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

What this page shows

TANTERRA - FILING 8 is among 289 Douglas County general permit coverages, where 12.5% carry a violation on file. The Lemon Gulch-Cherry Creek subwatershed holds 28 NPDES permits, including this coverage. Of all 289 Douglas County coverages, 53.3% were issued before this coverage.