Clean Water Act discharge permit · NPDES COR430725
WO23020606- CORE ELECTRIC COOPERATIVE TIMBER MILL SUBSTATION, Castle Rock, CO: NPDES COR430725 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WO23020606- CORE ELECTRIC COOPERATIVE TIMBER MILL SUBSTATION, held by CORE Electric Cooperative, holds NPDES permit COR430725. EPA’s file records it issued May 19, 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 WO23020606- CORE ELECTRIC COOPERATIVE TIMBER MILL SUBSTATION: its NPDES ID, its permit type and status, its dates, its address in Castle Rock, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430725.
Identity
| Facility as filed | WO23020606- CORE ELECTRIC COOPERATIVE TIMBER MILL SUBSTATION |
|---|---|
| Permittee as filed | CORE Electric Cooperative |
| NPDES ID | COR430725 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 19, 2026 |
| Expiration date | March 31, 2029 |
| Address | Castle Rock, CO 80108 |
| Subwatershed | Lower East Plum Creek (HUC 101900020504) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
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 COR430725.
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 COR430725.
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 COR430725 there.
Nearby on the register
- Discharge permits in Castle Rock
- Every permit record in Castle Rock, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.