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Clean Water Act discharge permit · NPDES COR417261

C-470 TRAIL OVER ACRES GREEN BRIDGE AND SIGNAL, Lone Tree, CO: NPDES COR417261 discharge permit, effluent exceedances, inspections, penalties

C-470 TRAIL OVER ACRES GREEN BRIDGE AND SIGNAL, held by HEI Civil, holds NPDES permit COR417261. EPA’s file records it issued June 23, 2022 and expiring March 31, 2024. 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 C-470 TRAIL OVER ACRES GREEN BRIDGE AND SIGNAL: its NPDES ID, its permit type and status, its dates, its address in Lone Tree, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR417261.

Identity

Facility as filedC-470 TRAIL OVER ACRES GREEN BRIDGE AND SIGNAL
Permittee as filedHEI Civil
NPDES IDCOR417261
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 23, 2022
Expiration dateMarch 31, 2024
Issuing agencySTA
AddressLone Tree, CO 80124
SubwatershedLittle Dry Creek (HUC 101900020903)

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 COR417261.

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 COR417261.

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 COR417261 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 NPDES permit COR417261, held by HEI Civil for C-470 TRAIL OVER ACRES GREEN BRIDGE AND SIGNAL in Lone Tree, CO, with the permit shown as administratively continued and classed as a minor discharger. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance for this permit.