NPDES COG502227 · Clean Water Act
COLORADO GRAVEL LLC PIT, Granada, CO: NPDES COG502227 discharge permit, effluent exceedances, inspections, penalties
COLORADO GRAVEL LLC PIT, Granada, Colorado: General permit coverage COG502227, held by Colorado Gravel LLC; Effective; issued May 24, 2024, term to December 31, 2026; discharges to Arkansas River.
- Solids, total suspended: 2 limits, 5 violations of any kind, 1 effluent exceedance, latest March 31, 2025, largest 20% over the limit.
- pH: 2 limits, 4 violations of any kind.
- Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind.
- Conductivity: 1 limit, 2 violations of any kind.
- Oil and grease: 1 limit, 2 violations of any kind.
- Oil and grease visual: 1 limit, 2 violations of any kind.
COLORADO GRAVEL LLC PIT among its neighbors
3 discharge permits are in the Cottonwood Creek-Arkansas River subwatershed (HUC 110200091505); COG502227 is one. Its county: 29, 1 major; COG502227 is minor permit.
Other permits in the Cottonwood Creek-Arkansas River subwatershed (HUC 110200091505)
- DAVIS PIT, Prowers County: COG501912, minor, term to 2021-12-31
- GRANADA FEEDERS, LLC, Granada: COA934040, minor, term to 2027-01-10
Identity
| Facility | COLORADO GRAVEL LLC PIT |
|---|---|
| Permittee | Colorado Gravel LLC |
| NPDES ID | COG502227 |
| Status | Effective |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | May 24, 2024 |
| Expires | December 31, 2026 |
| Address | Granada, CO 81041 |
| Receiving water | Arkansas River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cottonwood Creek-Arkansas River (HUC 110200091505) |
NPDES COG502227: effluent limits and exceedances
COLORADO GRAVEL LLC PIT (NPDES COG502227): 6 pollutants on file, 6 limited; 6 with a violation of any kind, 1 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 5 | 1 | March 31, 2025 | 20% over the limit |
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Conductivity | 1 | 2 | 0 | ||
| Oil and grease | 1 | 2 | 0 | ||
| Oil and grease visual | 1 | 2 | 0 |
NPDES COG502227: inspections, violations and enforcement
NPDES COG502227 (COLORADO GRAVEL LLC PIT): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES COG502227
NPDES COG502227: one email when its EPA record changes — $99/month.
Permits near NPDES COG502227
NPDES COG502227: 6 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.