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Clean Air Act stationary source · ICIS-AIR WY0000005603700003

ROCK SPRINGS COAL CALCINING PLANT (P4 PRODUCTION), Sweetwater County, WY: Clean Air Act compliance record, inspections, violations, penalties

ROCK SPRINGS COAL CALCINING PLANT (P4 PRODUCTION), at S14 T18N R105W, Sweetwater County in Sweetwater County, Wyoming, is an operating major 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”. Sweetwater 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 filedROCK SPRINGS COAL CALCINING PLANT (P4 PRODUCTION)
ICIS-AIR IDWY0000005603700003
EPA facility registry ID110000859296
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressS14 T18N R105W, Sweetwater County, WY 82901
CountySweetwater County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Petroleum and coal products manufacturing (NAICS 3241)
SIC code3312
EPA region08

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 ROCK SPRINGS COAL CALCINING PLANT (P4 PRODUCTION) 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

DateWhat EPA recordedAgencyPrograms
October 22, 2026FCE On-SiteStateTitle V Permits
October 9, 2024FCE On-SiteStateTitle V Permits
March 2, 2023FCE On-SiteStateTitle V Permits
October 22, 2020FCE Off-SiteStateTitle V Permits
April 9, 2019FCE On-SiteStateTitle V Permits
March 30, 2017FCE On-SiteStateTitle V Permits

Violations

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 WY0000005603700003 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 WY0000005603700003 since January 1, 2017.

Stack tests

DateWhat EPA recordedAgency
July 7, 2023PassState
July 7, 2023PassState
August 21, 2019PassState

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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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 110000859296 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

What this page shows

The page covers the Clean Air Act compliance record of ROCK SPRINGS COAL CALCINING PLANT (P4 PRODUCTION) in Sweetwater County, WY, on EPA's ICIS-AIR register. It lists operating status Operating, emissions classification Major source, current violation status No Violation Identified, 5 compliance evaluations, 0 high-priority violations and 0 formal enforcement actions since January 1, 2017.