Clean Water Act discharge permit · NPDES COG641085
SAN JUAN (FORMERLY VISTA) WTP, Archuleta County, CO: NPDES COG641085 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
SAN JUAN (FORMERLY VISTA) WTP, held by Pagosa Area Water and San Dist, holds NPDES permit COG641085, which discharges to Martinez Creek. EPA’s file records it issued January 10, 2006 and expiring October 31, 2010. 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 | SAN JUAN (FORMERLY VISTA) WTP |
|---|---|
| Permittee as filed | Pagosa Area Water and San Dist |
| NPDES ID | COG641085 |
| 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 10, 2006 |
| Expiration date | October 31, 2010 |
| Address | Archuleta County, CO 81157 |
| Receiving water | MARTINEZ CREEK |
| Subwatershed | Peterson Gulch-Stollheimer Creek (HUC 140801020402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 34 | 30 | December 31, 2018 | 637% over the limit |
| Solids, total suspended | 2 | 9 | 3 | September 30, 2017 | 58% over the limit |
| pH | 2 | 5 | 1 | September 30, 2011 | |
| Solids, total dissolved | 2 | 6 | 0 | ||
| Copper, potentially dissolved | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Oil and grease | 1 | 2 | 0 | ||
| Oil and grease visual | 1 | 2 | 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 COG641085.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 COG641085 there.
Nearby on the register
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- Every permit record in Archuleta County, A to Z
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- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.