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Clean Water Act discharge permit · NPDES COR423577

CIMARRON ESTATES - SENERGY BUILDERS, Grand Junction, CO: NPDES COR423577 discharge permit, effluent exceedances, inspections, penalties

CIMARRON ESTATES - SENERGY BUILDERS, held by Senergy Builders, LLC, holds NPDES permit COR423577. EPA’s file records it issued April 18, 2024 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 CIMARRON ESTATES - SENERGY BUILDERS: its NPDES ID, its permit type and status, its dates, its address in Grand Junction, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR423577.

Identity

Facility as filedCIMARRON ESTATES - SENERGY BUILDERS
Permittee as filedSenergy Builders, LLC
NPDES IDCOR423577
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 18, 2024
Expiration dateMarch 31, 2029
Issuing agencySTA
AddressGrand Junction, CO 81503
SubwatershedCallow Creek-Gunnison River (HUC 140200050803)

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 COR423577.

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 COR423577.

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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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 COR423577 there.

Nearby on the register

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

What this page shows

The CIMARRON ESTATES - SENERGY BUILDERS permit is one of 16 general permit coverages on EPA's NPDES register in Grand Junction, this one included. Among those 16 Grand Junction general permit coverages, 0.0% have a violation on file, and this permit has no pollutants under a numeric limit and no effluent exceedances. Within the Callow Creek-Gunnison River subwatershed, it is one of 14 NPDES permits, this one included, and 12.5% of all 16 Grand Junction general permit coverages, this one included, were issued earlier than this permit.