Clean Air Act stationary source · ICIS-AIR CO0000000804300167
AUSCO PETROLEUM - MACKINAW / KING 12-28, Florence Area, CO: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Minor sourceEmissions classification
- Violation w/in 1 YearCurrent violation status, as filed
- 4Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 2Formal enforcement actions since January 1, 2017
AUSCO PETROLEUM - MACKINAW / KING 12-28, at SWNW SEC 28 T19S R69W, Florence Area in Fremont County, Colorado, is an operating minor source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “Violation w/in 1 Year”. Fremont County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.
Identity
| Facility as filed | AUSCO PETROLEUM - MACKINAW / KING 12-28 |
|---|---|
| ICIS-AIR ID | CO0000000804300167 |
| EPA facility registry ID | 110056286656 |
| Operating status | Operating |
| Emissions classification | Minor source |
| Current violation status (ICIS-AIR high-priority violation field) | Violation w/in 1 Year |
| Address | SWNW SEC 28 T19S R69W, Florence Area, CO 81226 |
| County | Fremont County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Oil and gas extraction (NAICS 2111) |
| SIC code | 1311 |
| EPA region | 08 |
Cited to the EPA ICIS-AIR facility file (ECHO download).
Programs and pollutants
Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs AUSCO PETROLEUM - MACKINAW / KING 12-28 is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.
Compliance evaluations
- 4Evaluations since January 1, 2017
- 4Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| November 19, 2025 | FCE On-Site | State | Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 14, 2023 | FCE On-Site | State | Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 7, 2020 | FCE Off-Site | State | Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 28, 2018 | FCE On-Site | State | Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 3Violation determinations since January 1, 2017
- 0Of them high-priority
A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| February 19, 2026 | Earliest FRV determination | State | Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 5, 2021 | Earliest FRV determination | State | Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| September 26, 2018 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Enforcement and penalties
2 formal enforcement actions since January 1, 2017, 1 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| October 18, 2022 | Administrative Order | State | $0 |
| April 24, 2019 | Administrative Order | State | $7,350 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| May 21, 2026 | Notice of Violation | State |
| December 14, 2021 | Notice of Violation | State |
| February 13, 2019 | Notice of Violation | State |
Stack tests
- 0Stack tests since January 1, 2017
- 0Recorded as failed
EPA’s stack test file holds no test at ICIS-AIR CO0000000804300167 since January 1, 2017.
Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.
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How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110056286656 there.
Nearby on the register
- Air-emissions sources in Fremont County
- Every source record in Fremont County, A to Z
- Air-emissions sources in Colorado
- Every source record in Colorado, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.