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Clean Water Act discharge permit · NPDES COR430149

GRANDVIEW BLVD IMPROVEMENTS PHASE 2, Dacono, CO: NPDES COR430149 discharge permit, effluent exceedances, inspections, penalties

GRANDVIEW BLVD IMPROVEMENTS PHASE 2, held by Northern Colorado Constructors, holds NPDES permit COR430149. EPA’s file records it issued March 4, 2026 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 GRANDVIEW BLVD IMPROVEMENTS PHASE 2: its NPDES ID, its permit type and status, its dates, its address in Dacono, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430149.

Identity

Facility as filedGRANDVIEW BLVD IMPROVEMENTS PHASE 2
Permittee as filedNorthern Colorado Constructors
NPDES IDCOR430149
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 4, 2026
Expiration dateMarch 31, 2029
AddressDacono, CO 80514
SubwatershedFirestone Lake-Saint Vrain Creek (HUC 101900050707)

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 COR430149.

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 COR430149.

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.

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, COR430149.

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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 COR430149 there.

Nearby on the register

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

What this page shows

Of all 595 general permit coverages in Weld County, this one included, 89.2% were issued earlier than GRANDVIEW BLVD IMPROVEMENTS PHASE 2. The Firestone Lake-Saint Vrain Creek subwatershed holds 111 NPDES permits, this one included.