Clean Water Act discharge permit · NPDES COG500404
E 88 ST SAND AND GRAVEL, Greeley, CO: NPDES COG500404 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
E 88 ST SAND AND GRAVEL, held by Superior Oilfield Service Co Ltd, holds NPDES permit COG500404, which discharges to Cache La Poudre River. EPA’s file records it issued June 12, 2008 and expiring June 30, 2013. 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.
Identity
| Facility as filed | E 88 ST SAND AND GRAVEL |
|---|---|
| Permittee as filed | Superior Oilfield Service Co Ltd |
| NPDES ID | COG500404 |
| 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 | June 12, 2008 |
| Expiration date | June 30, 2013 |
| Address | Greeley, CO 80631 |
| Receiving water | CACHE LA POUDRE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | City of Evans-South Platte River (HUC 101900030606) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 6Under a numeric limit
- 11With 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 | 4 | 116 | 0 | ||
| Solids, total suspended | 4 | 116 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 116 | 0 | ||
| Selenium, potentially dissolvd | 0 | 83 | 0 | ||
| Toluene | 0 | 82 | 0 | ||
| Benzene | 0 | 82 | 0 | ||
| Ethylbenzene | 0 | 82 | 0 | ||
| Oil and grease | 2 | 58 | 0 | ||
| Oil and grease visual | 2 | 58 | 0 | ||
| Flow, total | 0 | 41 | 0 | ||
| Selenium, dissolved [as Se] | 4 | 34 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG500404.
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 COG500404.
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.
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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 COG500404 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.