Clean Water Act discharge permit · NPDES COG641072
GATEWAY METRO WTP, Snowmass, CO: NPDES COG641072 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GATEWAY METRO WTP, held by Gateway Metro District, holds NPDES permit COG641072, which discharges to Unnmd Trib To Snowmass Creek. EPA’s file records it issued January 19, 2006 and expiring October 31, 2010. 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 | GATEWAY METRO WTP |
|---|---|
| Permittee as filed | Gateway Metro District |
| NPDES ID | COG641072 |
| 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 19, 2006 |
| Expiration date | October 31, 2010 |
| Address | Snowmass, CO 81654 |
| Receiving water | UNNMD TRIB TO SNOWMASS CREEK |
| Subwatershed | Outlet Snowmass Creek (HUC 140100040403) |
| SIC | 4941 – Water Supply |
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
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 0With 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 | 2 | 11 | 0 | ||
| pH | 2 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Chlorine, total residual | 2 | 8 | 0 | ||
| Solids, total dissolved | 2 | 8 | 0 | ||
| Oil and grease | 1 | 4 | 0 | ||
| Oil and grease visual | 1 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG641072.
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 COG641072.
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 COG641072 there.
Nearby on the register
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- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.