Clean Water Act discharge permit · NPDES COG840021
ANDERSON #1, Washington County, CO: NPDES COG840021 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
ANDERSON #1, held by Impetro Resources LLC, holds NPDES permit COG840021, which discharges to Unnamed Drainage. EPA’s file records it issued August 10, 2016 and expiring December 31, 2017. 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 | ANDERSON #1 |
|---|---|
| Permittee as filed | Impetro Resources LLC |
| NPDES ID | COG840021 |
| 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 10, 2016 |
| Expiration date | December 31, 2017 |
| Address | Washington County, CO 80801 |
| Receiving water | unnamed drainage |
| Subwatershed | Anton Bethel Union Church (HUC 102500020601) |
| SIC | 1311 – Crude Petroleum And Natural Gas |
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
- 22Pollutants on file
- 22Under a numeric limit
- 22With a violation of any kind
- 2With 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 | 2 | 31 | 3 | July 31, 2019 | |
| Oil and grease | 1 | 16 | 1 | April 30, 2023 | 12% over the limit |
| Solids, total suspended | 2 | 30 | 0 | ||
| Arsenic, total recoverable | 2 | 30 | 0 | ||
| Selenium, total recoverable | 2 | 30 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 30 | 0 | ||
| Nickel, total recoverable | 2 | 30 | 0 | ||
| Zinc, total recoverable | 2 | 30 | 0 | ||
| Cadmium, total recoverable | 2 | 30 | 0 | ||
| Lead, total recoverable | 2 | 30 | 0 | ||
| Copper, total recoverable | 2 | 30 | 0 | ||
| Chromium, trivalent total recoverable | 2 | 30 | 0 | ||
| Solids, total dissolved | 2 | 30 | 0 | ||
| Chromium, hexavalent tot recoverable | 2 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 28 | 0 | ||
| Radium 226 + radium 228, total | 2 | 18 | 0 | ||
| Priority Pollutant Results | 2 | 16 | 0 | ||
| Oil and grease visual | 1 | 15 | 0 | ||
| Toluene | 1 | 8 | 0 | ||
| Benzene | 1 | 8 | 0 | ||
| Ethylbenzene | 1 | 8 | 0 | ||
| Xylene [mix of m+o+p] | 1 | 8 | 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 COG840021.
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 COG840021 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.