Clean Water Act discharge permit · NPDES COR900399
TRI STATE CRAIG STATION, Craig, CO: NPDES COR900399 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TRI STATE CRAIG STATION, held by Tri-State Generation and Transmission Assn Inc, holds NPDES permit COR900399, which discharges to Unnamed Tributary -Johnson Gulch. EPA’s file records it issued May 31, 2012 and expiring June 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for TRI STATE CRAIG STATION: its NPDES ID, its permit type and status, its dates, its address in Craig, Colorado, its receiving water, and 3 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR900399.
Identity
| Facility as filed | TRI STATE CRAIG STATION |
|---|---|
| Permittee as filed | Tri-State Generation and Transmission Assn Inc |
| NPDES ID | COR900399 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | May 31, 2012 |
| Expiration date | June 30, 2017 |
| Address | Craig, CO 81626 |
| Receiving water | Unnamed tributary -Johnson Gulch |
| Subwatershed | Johnson Gulch-Yampa River (HUC 140500011108) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 3Pollutants on file
- 3Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 10 | 0 | 0 | ||
| Solids, total suspended | 5 | 0 | 0 | ||
| Iron, total [as Fe] | 5 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900399.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COR900399.
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 COR900399 there.
Nearby on the register
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- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.