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Clean Water Act discharge permit · NPDES COR430117

ALTA LONGMONT-ROGERS ROAD, Longmont, CO: NPDES COR430117 discharge permit, effluent exceedances, inspections, penalties

ALTA LONGMONT-ROGERS ROAD, held by Longmont Builders, LLC, holds NPDES permit COR430117. EPA’s file records it issued February 27, 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 ALTA LONGMONT-ROGERS ROAD: its NPDES ID, its permit type and status, its dates, its address in Longmont, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430117.

Identity

Facility as filedALTA LONGMONT-ROGERS ROAD
Permittee as filedLongmont Builders, LLC
NPDES IDCOR430117
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 27, 2026
Expiration dateMarch 31, 2029
AddressLongmont, CO 80501
SubwatershedCalkins Lake-Saint Vrain Creek (HUC 101900050706)

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 COR430117.

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 COR430117.

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 COR430117 there.

Nearby on the register

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

What this page shows

The register page covers NPDES permit COR430117 for ALTA LONGMONT-ROGERS ROAD in Longmont, CO, held by Longmont Builders, LLC, with status Effective, a Minor discharger class, issuance on February 27, 2026, and expiration on March 31, 2029. It lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it sits in the Calkins Lake-Saint Vrain Creek subwatershed, HUC 101900050706.