Clean Water Act discharge permit · NPDES COG589110
WASTE WATER TREATMENT SERVICES WWTF, Rifle, CO: NPDES COG589110 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
WASTE WATER TREATMENT SERVICES WWTF, held by Wastewater Treatment Service LLC, holds NPDES permit COG589110, which discharges to Lower Cactus Valley Ditch. EPA’s file records it issued January 26, 2011 and expiring September 30, 2013. 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 | WASTE WATER TREATMENT SERVICES WWTF |
|---|---|
| Permittee as filed | Wastewater Treatment Service LLC |
| NPDES ID | COG589110 |
| 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 | January 26, 2011 |
| Expiration date | September 30, 2013 |
| Address | Rifle, CO 81650 |
| Receiving water | Lower Cactus Valley Ditch |
| Subwatershed | Dry Creek-Colorado River (HUC 140100050604) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 4 | 20 | 6 | March 31, 2017 | 51% over the limit |
| BOD, 5-day, percent removal | 1 | 2 | 2 | July 31, 2011 | 67% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 127 | 1 | July 31, 2011 | 40% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 3 | 1 | March 31, 2016 | 53% over the limit |
| Plant capacity fact. percent of capacity | 0 | 23 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Solids, total suspended | 4 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| E. coli | 2 | 4 | 0 | ||
| Chlorine, total residual | 2 | 3 | 0 | ||
| Oil and grease | 1 | 3 | 0 | ||
| Oil and grease visual | 1 | 2 | 0 | ||
| Solids, total dissolved | 4 | 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 COG589110.
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 COG589110 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.