Clean Water Act discharge permit · NPDES COG590148
MILNER COMMUNITY WWTF, Steamboat Springs, CO: NPDES COG590148 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MILNER COMMUNITY WWTF, held by Routt County Environmental Health, holds NPDES permit COG590148, which discharges to Yampa River. EPA’s file records it issued August 22, 2022 and expiring March 31, 2026. 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 | MILNER COMMUNITY WWTF |
|---|---|
| Permittee as filed | Routt County Environmental Health |
| NPDES ID | COG590148 |
| 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 | August 22, 2022 |
| Expiration date | March 31, 2026 |
| Address | Steamboat Springs, CO 80477 |
| Receiving water | Yampa River |
| Subwatershed | Tow Creek-Yampa River (HUC 140500010507) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 12With a violation of any kind
- 6With 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 | 10 | 10 | May 31, 2025 | 193% over the limit |
| E. coli | 2 | 8 | 8 | June 30, 2025 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 7 | 7 | May 31, 2025 | 160% over the limit |
| Solids, suspended percent removal | 1 | 6 | 6 | June 30, 2025 | 678% over the limit |
| BOD, 5-day, percent removal | 1 | 5 | 5 | June 30, 2025 | 300% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 4 | 4 | March 31, 2025 | 7% over the limit |
| Carbon, tot organic [TOC] | 2 | 4 | 0 | ||
| Aluminum, total recoverable | 2 | 2 | 0 | ||
| Chloride [as Cl] | 1 | 1 | 0 | ||
| Arsenic, total recoverable | 1 | 1 | 0 | ||
| Methanol, total | 1 | 1 | 0 | ||
| Sulfate | 1 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Solids, total dissolved | 4 | 0 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Chlorine, total residual | 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 COG590148.
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.
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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 COG590148 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.