Clean Water Act discharge permit · NPDES WYG740589
ROCK SPRINGS WATER TRANSMISSION LINE REPLACEMENT, WY: NPDES WYG740589 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ROCK SPRINGS WATER TRANSMISSION LINE REPLACEMENT, held by COP Wyoming LLC, holds NPDES permit WYG740589. EPA’s file records it issued November 1, 2012 and expiring August 31, 2017. 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 | ROCK SPRINGS WATER TRANSMISSION LINE REPLACEMENT |
|---|---|
| Permittee as filed | COP Wyoming LLC |
| NPDES ID | WYG740589 |
| 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 | November 1, 2012 |
| Expiration date | August 31, 2017 |
| Address | WY |
| Subwatershed | Telephone Canyon-Green River (HUC 140401030110) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| pH | 12 | 196 | 0 | ||
| Flow | 12 | 196 | 0 | ||
| Solids, total suspended | 6 | 98 | 0 | ||
| Produced water, oil and grease | 4 | 74 | 0 | ||
| Solids, total dissolved | 2 | 50 | 0 | ||
| Chlorine, total residual | 4 | 48 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WYG740589.
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 WYG740589.
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 WYG740589 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.