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Clean Water Act discharge permit · NPDES COR423176

KEYSTONE RIDGE, Canon City, CO: NPDES COR423176 discharge permit, effluent exceedances, inspections, penalties

KEYSTONE RIDGE, held by GTG Tranquility Homes, LLC, holds NPDES permit COR423176. EPA’s file records it issued March 19, 2024 and expiring March 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for KEYSTONE RIDGE: its NPDES ID, its permit type and status, its dates, its address in Canon City, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR423176.

Identity

Facility as filedKEYSTONE RIDGE
Permittee as filedGTG Tranquility Homes, LLC
NPDES IDCOR423176
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 19, 2024
Expiration dateMarch 31, 2029
AddressCanon City, CO 81212
SubwatershedSand Creek-Arkansas River (HUC 110200020401)

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 COR423176.

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 COR423176.

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 COR423176 there.

Nearby on the register

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

What this page shows

The KEYSTONE RIDGE general permit coverage in Canon City, Colorado, is one of 67 general permit coverages on EPA's NPDES register in Fremont County, and 78.8% of the 66 coverages in that county carry an earlier issue date than this one. The permit sits within the Sand Creek-Arkansas River subwatershed, which holds 15 NPDES permits including this one, and none of its pollutants shows a numeric limit or an effluent exceedance on file.