Clean Water Act discharge permit · NPDES COG501770
GILLETTE SAND AND GRAVEL, Gillette, CO: NPDES COG501770 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GILLETTE SAND AND GRAVEL, held by Gillette Sand and Gravel, holds NPDES permit COG501770, which discharges to West Fork Of West Beaver Creek. EPA’s file records it issued April 21, 2017 and expiring December 31, 2021. 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 | GILLETTE SAND AND GRAVEL |
|---|---|
| Permittee as filed | Gillette Sand and Gravel |
| NPDES ID | COG501770 |
| 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 | April 21, 2017 |
| Expiration date | December 31, 2021 |
| Address | Gillette, CO 80813 |
| Receiving water | West Fork of West Beaver Creek |
| Subwatershed | Headwaters West Beaver Creek (HUC 110200020502) |
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 COG501770.
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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 6, 2019 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| November 6, 2019 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| November 6, 2019 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| November 6, 2019 | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | ST6 |
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 COG501770 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.