Clean Water Act discharge permit · NPDES COG074425
RIGDEN RESERVOIR, Fort Collins, CO: NPDES COG074425 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
RIGDEN RESERVOIR, held by Fort Collins City of, holds NPDES permit COG074425, which discharges to Cache La Poudre River. EPA’s file records it issued May 31, 2013 and expiring September 30, 2013. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | RIGDEN RESERVOIR |
|---|---|
| Permittee as filed | Fort Collins City of |
| NPDES ID | COG074425 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 31, 2013 |
| Expiration date | September 30, 2013 |
| Address | Fort Collins, CO 80525 |
| Receiving water | Cache la Poudre River |
| Subwatershed | Fossil Creek-Reservoir-Cache La Poudre River (HUC 101900071002) |
| SIC | 1799 – Special Trade Contractors |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 19 | 3 | July 31, 2014 | 178% over the limit |
| pH | 4 | 17 | 1 | April 30, 2014 | |
| Flow, in conduit or thru treatment plant | 4 | 11 | 1 | April 30, 2014 | 212% over the limit |
| Selenium, potentially dissolvd | 4 | 16 | 0 | ||
| Oil and grease | 2 | 8 | 0 | ||
| Oil and grease visual | 2 | 8 | 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 COG074425.
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 COG074425 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.