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Clean Water Act discharge permit · NPDES COR420089

SANDERSON GULCH DOG PARK AND PLAYGROUND, Denver, CO: NPDES COR420089 discharge permit, effluent exceedances, inspections, penalties

SANDERSON GULCH DOG PARK AND PLAYGROUND, held by T2 Construction, Inc, holds NPDES permit COR420089. EPA’s file records it issued April 21, 2023 and expiring March 31, 2024. 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 SANDERSON GULCH DOG PARK AND PLAYGROUND: its NPDES ID, its permit type and status, its dates, its address in Denver, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR420089.

Identity

Facility as filedSANDERSON GULCH DOG PARK AND PLAYGROUND
Permittee as filedT2 Construction, Inc
NPDES IDCOR420089
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 21, 2023
Expiration dateMarch 31, 2024
Issuing agencySTA
AddressDenver, CO 80223
Subwatershed101900020904 (HUC 101900020904)

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 COR420089.

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 COR420089.

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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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 COR420089 there.

Nearby on the register

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

What this page shows

The SANDERSON GULCH DOG PARK AND PLAYGROUND general permit coverage is one of 301 such coverages in Denver County, and 19.6% of those coverages have a violation on file. The permit sits among 192 NPDES permits in the 101900020904 subwatershed, this one included. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance on record.