Clean Air Act stationary source · ICIS-AIR CO0000000804101630
MARTIN MARIETTA MATERIALS - SOKOL PIT, Calhan 3.1 Mi. S Of, CO: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Minor sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 2Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
MARTIN MARIETTA MATERIALS - SOKOL PIT, at SW SEC 22 T12S R62W, Calhan 3.1 Mi. S Of in El Paso 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 “No Violation Identified”. El Paso 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 | MARTIN MARIETTA MATERIALS - SOKOL PIT |
|---|---|
| ICIS-AIR ID | CO0000000804101630 |
| EPA facility registry ID | 110028718653 |
| Operating status | Operating |
| Emissions classification | Minor source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | SW SEC 22 T12S R62W, Calhan 3.1 Mi. S Of, CO 80808 |
| County | El Paso County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Mining and quarrying (NAICS 2123) |
| SIC code | 1442 |
| 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 yet include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs MARTIN MARIETTA MATERIALS - SOKOL PIT 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
- 2Evaluations since January 1, 2017
- 2Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| June 11, 2026 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 20, 2018 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 0Violation 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.
EPA’s violation history file holds no violation for ICIS-AIR CO0000000804101630 since January 1, 2017.
Enforcement and penalties
0 formal enforcement actions since January 1, 2017, 0 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.
Informal enforcement
EPA’s informal action file holds no notice or warning for ICIS-AIR CO0000000804101630 since January 1, 2017.
Stack tests
- 0Stack tests since January 1, 2017
- 0Recorded as failed
EPA’s stack test file holds no test at ICIS-AIR CO0000000804101630 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 110028718653 there.
Nearby on the register
- Air-emissions sources in El Paso County
- Every source record in El Paso 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.