Clean Water Act discharge permit · NPDES CO0048852
GLENWOOD SPRINGS REGIONAL WWTF, Garfield County, CO: NPDES CO0048852 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
GLENWOOD SPRINGS REGIONAL WWTF, held by Glenwood Springs City of, holds NPDES permit CO0048852, which discharges to Colorado River. EPA’s file records it issued August 31, 2011 and expiring September 30, 2016. 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 | GLENWOOD SPRINGS REGIONAL WWTF |
|---|---|
| Permittee as filed | Glenwood Springs City of |
| NPDES ID | CO0048852 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 31, 2011 |
| Expiration date | September 30, 2016 |
| Address | Garfield County, 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
- 20Pollutants on file
- 18Under a numeric limit
- 14With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Oil and grease | 1 | 5 | 1 | February 28, 2013 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 3 | 1 | October 31, 2012 | 7% over the limit |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 1 | 1 | 1 | December 31, 2022 | 29% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 62 | 0 | ||
| Nitrogen, total [as N] | 0 | 30 | 0 | ||
| Phosphorus, total [as P] | 0 | 15 | 0 | ||
| Chlorine, total residual | 3 | 8 | 0 | ||
| Arsenic, total recoverable | 2 | 4 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 2 | 3 | 0 | ||
| Solids, total suspended | 4 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| E. coli | 3 | 2 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 2 | 0 | ||
| Solids, total dissolved | 2 | 2 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 1, 2021 | WW SSO - Discharge to Waters | 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 CO0048852 there.
Nearby on the register
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- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.