Clean Water Act discharge permit · NPDES COR427536
GORE PASS - WINDY GAP TRANSMISSION LINE, Westminster, CO: NPDES COR427536 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
GORE PASS - WINDY GAP TRANSMISSION LINE, held by Tri-State Generation and Transmission Association, Inc., holds NPDES permit COR427536. EPA’s file records it issued May 14, 2025 and expiring March 31, 2029.
GORE PASS - WINDY GAP TRANSMISSION LINE, Westminster, Colorado: Coverage under a general permit COR427536, held by Tri-State Generation and Transmission Association, Inc.; Effective; issued May 14, 2025, term to March 31, 2029.
Other permits held by Tri-State Generation and Transmission Association, Inc.
- JM SHAFER GENERATING STATION, Fort Lupton: COPIU009S, issued October 13, 2025
- MILK CREEK SUBSTATION, Craig: COR423986, issued June 14, 2024
- HUCKLEBERRY SWITCHING STATION, Pueblo: COR427606, issued May 22, 2025
- IRON MOUNTAIN, Windsor: COR428874, issued October 1, 2025
- BOONE-HUCKLEBERRY TRANSMISSION LINE, Pueblo: COR429699, issued January 29, 2026
- COLOWYO COAL COMPANY, L.P., Meeker: COR430529, issued April 13, 2026
- CROSSPOINT DELIVERY POINT, Calhan: COR430533, issued April 21, 2026
GORE PASS - WINDY GAP TRANSMISSION LINE among its neighbors
EPA’s permit file holds 2 discharge permits in the Drowsy Water Creek-Colorado River subwatershed (HUC 140100010501), COR427536 among them. Its county holds 670, 8 of them major permits; COR427536 is a minor permit.
Other permits in the Drowsy Water Creek-Colorado River subwatershed (HUC 140100010501)
- CRCC AT WINDY GAP, Granby: COR417059, minor permit, permit term to March 31, 2024
What the register holds for GORE PASS - WINDY GAP TRANSMISSION LINE: its NPDES ID, its permit type and status, its dates, its address in Westminster, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR427536.
Identity
| Facility as filed | GORE PASS - WINDY GAP TRANSMISSION LINE |
|---|---|
| Permittee as filed | Tri-State Generation and Transmission Association, Inc. |
| NPDES ID | COR427536 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 14, 2025 |
| Expiration date | March 31, 2029 |
| Address | Westminster, CO 80234 |
| Subwatershed | Drowsy Water Creek-Colorado River (HUC 140100010501) |
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES COR427536.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COR427536.
Inspections
EPA’s inspection file holds no inspection for NPDES COR427536.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES COR427536.
Watch this permit
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Nearby on the register
- Discharge permits in Westminster
- Every permit record in Westminster, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.