Clean Water Act discharge permit · NPDES COG840022
ROUGHNECK UNIT, Arapahoe County, CO: NPDES COG840022 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
ROUGHNECK UNIT, held by Renegade Oil and Gas Company LLC, holds NPDES permit COG840022, which discharges to Cottonwood Creek. 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 (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ROUGHNECK UNIT |
|---|---|
| Permittee as filed | Renegade Oil and Gas Company LLC |
| NPDES ID | COG840022 |
| 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 | Arapahoe County, CO 80103 |
| Receiving water | Cottonwood Creek |
| Subwatershed | Cottonwood Creek (HUC 101900130105) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 24Pollutants on file
- 24Under a numeric limit
- 2With 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 |
|---|---|---|---|---|---|
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 1 | December 31, 2016 | 64% over the limit |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 1 | 1 | 1 | December 31, 2016 | 47% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Selenium, total recoverable | 2 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 0 | 0 | ||
| Nickel, total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Cadmium, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Chromium, trivalent total recoverable | 2 | 0 | 0 | ||
| Radium 226 + radium 228, total | 2 | 0 | 0 | ||
| Priority Pollutant Results | 2 | 0 | 0 | ||
| Solids, total dissolved | 2 | 0 | 0 | ||
| Chromium, hexavalent tot recoverable | 2 | 0 | 0 | ||
| Arsenic, potentially dissolved | 1 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Toluene | 1 | 0 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| Ethylbenzene | 1 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 1 | 0 | 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 COG840022.
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.
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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 COG840022 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.