Clean Water Act discharge permit · NPDES COG605023
SPINDLE HILL ENERGY CENTER, Weld County, CO: NPDES COG605023 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SPINDLE HILL ENERGY CENTER, held by Spindle Hill Energy LLC, holds NPDES permit COG605023, which discharges to Little Dry Creek. EPA’s file records it issued August 18, 2008 and expiring June 30, 2013. 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.
Identity
| Facility as filed | SPINDLE HILL ENERGY CENTER |
|---|---|
| Permittee as filed | Spindle Hill Energy LLC |
| NPDES ID | COG605023 |
| 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 |
| Issued | August 18, 2008 |
| Expiration date | June 30, 2013 |
| Address | Weld County, CO 80621 |
| Receiving water | Little Dry Creek |
| Subwatershed | Little Dry Creek (HUC 101900030601) |
| Other EPA IDs (FRS) | ICIS-AIR source CO0000000812305468 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| Selenium, potentially dissolvd | 4 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Solids, total suspended | 4 | 4 | 0 | ||
| Oil and grease | 2 | 4 | 0 | ||
| Oil and grease visual | 2 | 2 | 0 | ||
| Temperature, water deg. centigrade | 10 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG605023.
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 COG605023.
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 COG605023 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.