Clean Water Act discharge permit · NPDES COG588079
EAST RIVER REGIONAL SD WWTF, Gunnison County, CO: NPDES COG588079 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
EAST RIVER REGIONAL SD WWTF, held by East River Regional Sanitation District, holds NPDES permit COG588079, which discharges to East River. EPA’s file records it issued July 6, 2005 and expiring May 31, 2010. 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 | EAST RIVER REGIONAL SD WWTF |
|---|---|
| Permittee as filed | East River Regional Sanitation District |
| NPDES ID | COG588079 |
| 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 | July 6, 2005 |
| Expiration date | May 31, 2010 |
| Address | Gunnison County, CO 81224 |
| Receiving water | EAST RIVER |
| Subwatershed | Middle East River (HUC 140200010203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 9With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, percent removal | 1 | 24 | 23 | May 31, 2023 | 920% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 11 | 10 | May 31, 2023 | 177% over the limit |
| Solids, total suspended | 4 | 5 | 3 | January 31, 2021 | 245% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 4 | 2 | December 31, 2013 | 504% over the limit |
| pH | 4 | 2 | 2 | June 30, 2017 | |
| Nitrogen, ammonia total [as N] | 4 | 2 | 2 | May 31, 2013 | 99,999% over the limit |
| E. coli | 2 | 2 | 2 | August 31, 2011 | 99,999% over the limit |
| Plant capacity fact. percent of capacity | 0 | 6 | 0 | ||
| Oil and grease visual | 1 | 1 | 0 | ||
| Solids, total dissolved | 4 | 0 | 0 | ||
| Chlorine, total residual | 3 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 |
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 COG588079.
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, COG588079.
Start the watch
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- 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 COG588079 there.
Nearby on the register
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- Every permit record in Gunnison County, A to Z
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- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.