Clean Water Act discharge permit · NPDES COR901379
CORKLE OIL CO MAINTENANCE FAC, Walden, CO: NPDES COR901379 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CORKLE OIL CO MAINTENANCE FAC, held by Corkle Oil Co LLC, holds NPDES permit COR901379, which discharges to North Park Ditch - Michigan River. EPA’s file records it issued December 18, 2017 and expiring December 31, 2018. 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 CORKLE OIL CO MAINTENANCE FAC: its NPDES ID, its permit type and status, its dates, its address in Walden, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR901379.
Identity
| Facility as filed | CORKLE OIL CO MAINTENANCE FAC |
|---|---|
| Permittee as filed | Corkle Oil Co LLC |
| NPDES ID | COR901379 |
| 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 | December 18, 2017 |
| Expiration date | December 31, 2018 |
| Address | Walden, CO 80480 |
| Receiving water | North Park Ditch - Michigan River |
| Subwatershed | Walden Reservoir (HUC 101800010409) |
| SIC | 5172 – Petroleum Products |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 COR901379.
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 COR901379.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COR901379.
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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 COR901379 there.
Nearby on the register
- Discharge permits in Walden
- Every permit record in Walden, 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.