Clean Water Act discharge permit · NPDES COG590008
WEST GLENWOOD SPRINGS SD, Glenwood Springs, CO: NPDES COG590008 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
WEST GLENWOOD SPRINGS SD, held by West Glenwood Springs Sanitation District, holds NPDES permit COG590008, which discharges to Colorado River. EPA’s file records it issued November 16, 2021 and expiring March 31, 2026. 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 | WEST GLENWOOD SPRINGS SD |
|---|---|
| Permittee as filed | West Glenwood Springs Sanitation District |
| NPDES ID | COG590008 |
| 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 | November 16, 2021 |
| Expiration date | March 31, 2026 |
| Address | Glenwood Springs, CO 81601 |
| Receiving water | Colorado RIver |
| Subwatershed | South Canyon Creek-Colorado River (HUC 140100050102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 4With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Acrylamide | 1 | 5 | 4 | November 30, 2025 | 58,233% over the limit |
| Chloride [as Cl] | 1 | 3 | 0 | ||
| Hydrocarbons, total petroleum | 2 | 2 | 0 | ||
| Arsenic, total recoverable | 1 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 0 | 0 | ||
| Solids, total suspended | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Solids, total dissolved | 4 | 0 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 0 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| Oil and grease visual | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 29, 2026 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| January 29, 2026 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| January 29, 2026 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| January 29, 2026 | Reporting Violations - Improper/ Incorrect Reporting | 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 COG590008 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.