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Clean Water Act discharge permit · NPDES COR427918

LEE GULCH AT BROADWAY-SW, Littleton, CO: NPDES COR427918 discharge permit, effluent exceedances, inspections, penalties

LEE GULCH AT BROADWAY-SW, held by BT Construction, Inc., holds NPDES permit COR427918. EPA’s file records it issued June 25, 2025 and expiring March 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for LEE GULCH AT BROADWAY-SW: its NPDES ID, its permit type and status, its dates, its address in Littleton, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR427918.

Identity

Facility as filedLEE GULCH AT BROADWAY-SW
Permittee as filedBT Construction, Inc.
NPDES IDCOR427918
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 25, 2025
Expiration dateMarch 31, 2029
AddressLittleton, CO 80212
SubwatershedDutch Creek-South Platte River (HUC 101900020901)

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 COR427918.

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 COR427918.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COR427918.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 COR427918 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.