Clean Water Act discharge permit · NPDES COG840016
ANN ALLISON #1, Lindon, CO: NPDES COG840016 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 32Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
ANN ALLISON #1, held by Impetro Resources LLC, holds NPDES permit COG840016, which discharges to An Unnamed Tributary To Vega Crk-Trib To S Platte. EPA’s file records it issued December 18, 2013 and expiring August 31, 2014. 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 | ANN ALLISON #1 |
|---|---|
| Permittee as filed | Impetro Resources LLC |
| NPDES ID | COG840016 |
| 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 | December 18, 2013 |
| Expiration date | August 31, 2014 |
| Address | Lindon, CO |
| Receiving water | an unnamed tributary to Vega Crk-trib to S Platte |
| Subwatershed | Lower Vega Creek (HUC 101900130205) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 32Pollutants on file
- 32Under a numeric limit
- 32With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 107 | 3 | June 30, 2014 | 133% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 107 | 3 | July 31, 2014 | 97% over the limit |
| Selenium, total recoverable | 4 | 106 | 2 | September 30, 2014 | 150% over the limit |
| Antimony, total recoverable | 4 | 106 | 2 | September 30, 2014 | 436% over the limit |
| Boron, total | 2 | 53 | 1 | August 31, 2014 | 485,233% over the limit |
| Radium 226 + radium 228, total | 4 | 106 | 0 | ||
| pH | 4 | 104 | 0 | ||
| Beryllium, total recoverable [as Be] | 4 | 104 | 0 | ||
| Nickel, total recoverable | 4 | 104 | 0 | ||
| Zinc, total recoverable | 4 | 104 | 0 | ||
| Cadmium, total recoverable | 4 | 104 | 0 | ||
| Lead, total recoverable | 4 | 104 | 0 | ||
| Copper, total recoverable | 4 | 104 | 0 | ||
| Chromium, trivalent total recoverable | 4 | 104 | 0 | ||
| 1,2-Dichloroethane | 4 | 104 | 0 | ||
| Naphthalene, dry weight | 4 | 104 | 0 | ||
| Phenol | 4 | 104 | 0 | ||
| Chromium, hexavalent tot recoverable | 4 | 104 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 54 | 0 | ||
| Arsenic, total recoverable | 2 | 54 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 53 | 0 | ||
| Cyanide, weak acid, dissociable | 2 | 53 | 0 | ||
| Oil and grease | 2 | 52 | 0 | ||
| Toluene | 2 | 52 | 0 | ||
| Benzene | 2 | 52 | 0 | ||
| 2,4-Dimethylphenol | 2 | 52 | 0 | ||
| Ethylbenzene | 2 | 52 | 0 | ||
| Solids, total dissolved | 2 | 52 | 0 | ||
| Xylene [mix of m+o+p] | 2 | 52 | 0 | ||
| Oil and grease visual | 2 | 52 | 0 | ||
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | 6 | 51 | 0 | ||
| Static Renewal 7 Day Chronic Pimephales promelas | 6 | 51 | 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 COG840016.
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 COG840016 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.