Clean Water Act discharge permit · NPDES CO0000010
RANGELY WWTF, Rangely, CO: NPDES CO0000010 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
RANGELY WWTF, held by Rangely Town of, holds NPDES permit CO0000010, which discharges to White River. EPA’s file records it issued August 30, 2013 and expiring September 30, 2018. 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 | RANGELY WWTF |
|---|---|
| Permittee as filed | Rangely Town of |
| NPDES ID | CO0000010 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 30, 2013 |
| Expiration date | September 30, 2018 |
| Address | Rangely, CO 81648 |
| Receiving water | White River |
| Subwatershed | Johnson Draw-White River (HUC 140500070504) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 13With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 3 | 3 | February 28, 2014 | 182% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 8 | 2 | April 30, 2018 | 13% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 8 | 2 | March 31, 2025 | 15% over the limit |
| Solids, total suspended | 4 | 6 | 2 | June 30, 2025 | 3% over the limit |
| Solids, total dissolved | 4 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 5 | 0 | ||
| E. coli | 2 | 4 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 3 | 0 | ||
| pH | 2 | 3 | 0 | ||
| Oil and grease | 1 | 1 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 0 | ||
| Oil and grease visual | 1 | 1 | 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 |
|---|---|---|
| December 17, 2025 | Management Practice Violations - Improper Operation and Maintenance | 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
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, CO0000010.
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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 CO0000010 there.
Nearby on the register
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- Every permit record in Rangely, 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.