Clean Water Act discharge permit · NPDES COG074023
WESTERN EXPANSION PIPELINE II, Garfield County, CO: NPDES COG074023 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WESTERN EXPANSION PIPELINE II, held by Mid America Pipeline Co LLC, holds NPDES permit COG074023, which discharges to Various State Waters. EPA’s file records it issued March 29, 2012 and expiring September 30, 2013. 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.
What the register holds for WESTERN EXPANSION PIPELINE II: its NPDES ID, its permit type and status, its dates, its address in Garfield County, Colorado, its receiving water, and 7 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG074023.
Identity
| Facility as filed | WESTERN EXPANSION PIPELINE II |
|---|---|
| Permittee as filed | Mid America Pipeline Co LLC |
| NPDES ID | COG074023 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 29, 2012 |
| Expiration date | September 30, 2013 |
| Address | Garfield County, CO |
| Receiving water | Various State Waters |
| Subwatershed | Upper West Salt Creek (HUC 140100051702) |
| SIC | 1799 – Special Trade Contractors |
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
- 0With 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 | 80 | 0 | 0 | ||
| Solids, total suspended | 80 | 0 | 0 | ||
| Selenium, potentially dissolvd | 80 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 80 | 0 | 0 | ||
| Oil and grease | 40 | 0 | 0 | ||
| Solids, total dissolved | 40 | 0 | 0 | ||
| Oil and grease visual | 40 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG074023.
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 COG074023.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COG074023.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 COG074023 there.
Nearby on the register
- Discharge permits in Garfield County
- Every permit record in Garfield County, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.