Clean Water Act discharge permit · NPDES COG081214
LAKE CITY WWTP, Lake City, CO: NPDES COG081214 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
LAKE CITY WWTP, held by Ridgway Valley Enterprises Inc, holds NPDES permit COG081214, which discharges to Lake Fork. EPA’s file records it issued April 11, 2025 and expiring May 31, 2028. 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 | LAKE CITY WWTP |
|---|---|
| Permittee as filed | Ridgway Valley Enterprises Inc |
| NPDES ID | COG081214 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 11, 2025 |
| Expiration date | May 31, 2028 |
| Address | Lake City, CO 81235 |
| Receiving water | Lake Fork |
| Subwatershed | Larson Creek-Lake Fork (HUC 140200020605) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 14Under a numeric limit
- 1With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 4 | 1 | 1 | June 30, 2025 | 1,462% over the limit |
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Iron, total recoverable | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Manganese, dissolved [as Mn] | 2 | 0 | 0 | ||
| Selenium, potentially dissolvd | 2 | 0 | 0 | ||
| Uranium, total | 2 | 0 | 0 | ||
| Solids, total dissolved | 2 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Duration of discharge | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COG081214.
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 COG081214 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.