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Clean Water Act discharge permit · NPDES COR430657

TBD CARBONERO LOT 8 BLK 23, Montrose, CO: NPDES COR430657 discharge permit, effluent exceedances, inspections, penalties

TBD CARBONERO LOT 8 BLK 23, held by Sandoval Construction LLC, holds NPDES permit COR430657. EPA’s file records it issued May 6, 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 TBD CARBONERO LOT 8 BLK 23: its NPDES ID, its permit type and status, its dates, its address in Montrose, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430657.

Identity

Facility as filedTBD CARBONERO LOT 8 BLK 23
Permittee as filedSandoval Construction LLC
NPDES IDCOR430657
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 6, 2026
Expiration dateMarch 31, 2029
AddressMontrose, CO 81401
SubwatershedHappy Canyon Creek (HUC 140200060403)

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 COR430657.

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 COR430657.

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

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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 COR430657 there.

Nearby on the register

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

What this page shows

The TBD CARBONERO LOT 8 BLK 23 permit is one of 137 general permit coverages in Montrose County, and it is one of 15 NPDES permits in the Happy Canyon Creek subwatershed, this one included. Of those 137 Montrose County coverages, 6.6% have a violation on file, and this permit has none of the recorded numeric-limit pollutants or effluent exceedances.