Clean Water Act discharge permit · NPDES COG081236
SNAKE RIVER WASTEWATER TREATMENT PLANT, Dillon, CO: NPDES COG081236 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SNAKE RIVER WASTEWATER TREATMENT PLANT, held by Hensel Phelps Construction Company, holds NPDES permit COG081236, which discharges to Dillon Reservoir. EPA’s file records it issued May 8, 2025 and expiring May 31, 2028. 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.
What the register holds for SNAKE RIVER WASTEWATER TREATMENT PLANT: its NPDES ID, its permit type and status, its dates, its address in Dillon, Colorado, its receiving water, and 15 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG081236.
Identity
| Facility as filed | SNAKE RIVER WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | Hensel Phelps Construction Company |
| NPDES ID | COG081236 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 8, 2025 |
| Expiration date | May 31, 2028 |
| Address | Dillon, CO 80435 |
| Receiving water | Dillon Reservoir |
| Subwatershed | Dillon Reservoir (HUC 140100020401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 15Under a numeric limit
- 0With 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 | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Iron, total recoverable | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Manganese, dissolved [as Mn] | 2 | 0 | 0 | ||
| Selenium, potentially dissolvd | 2 | 0 | 0 | ||
| Uranium, total | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Solids, total dissolved | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Duration of discharge | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG081236.
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 COG081236.
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, COG081236.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 COG081236 there.
Nearby on the register
- Discharge permits in Dillon
- Every permit record in Dillon, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.