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Clean Air Act stationary source · ICIS-AIR WY0000005603700002

GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS), Sweetwater County, WY: Clean Air Act compliance record, inspections, violations, penalties

GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS), at S32 T19N R109W, 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 filedGREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS)
ICIS-AIR IDWY0000005603700002
EPA facility registry ID110007899756
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressS32 T19N R109W, Sweetwater County, WY 82935
CountySweetwater County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Mining and quarrying (NAICS 2123)
SIC code1474
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 GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) 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
July 22, 2026FCE On-SiteStateTitle V Permits
February 3, 2026PCE On-SiteStateTitle V Permits
July 17, 2025FCE On-SiteStateTitle V Permits
February 13, 2025PCE On-SiteStateTitle V Permits
March 27, 2024FCE On-SiteStateTitle V Permits
August 8, 2023FCE On-SiteStateTitle V Permits
April 11, 2023FCE On-SiteStateTitle V Permits
July 22, 2022FCE On-SiteStateTitle V Permits
March 8, 2022FCE On-SiteStateTitle V Permits
August 24, 2021FCE On-SiteStateTitle V Permits
February 24, 2021FCE On-SiteStateTitle V Permits
July 28, 2020FCE On-SiteStateTitle V Permits
July 23, 2019FCE On-SiteStateTitle V Permits
November 8, 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.

DateWhat EPA recordedAgencyPrograms
September 26, 2024HPV day-zero determinationStateTitle V Permits
October 29, 2020HPV day-zero determinationStateTitle V Permits
June 18, 2019HPV day-zero determinationStateTitle V Permits
June 27, 2017HPV day-zero determinationStateTitle V Permits

Enforcement and penalties

8 formal enforcement actions since January 1, 2017, 7 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.

DateWhat EPA recordedAgencyPenalty, as filed
October 13, 2025Civil Judicial ActionState$5,000
April 19, 2022Civil Judicial ActionState$90,000
June 18, 2021Civil Judicial ActionState$750,000
July 6, 2020Civil Judicial ActionState$31,500
August 27, 2018Civil Judicial ActionState$31,000
January 30, 2017Administrative OrderState$0
January 30, 2017Administrative OrderState$3,500
January 30, 2017Administrative OrderState$3,500

Informal enforcement

DateWhat EPA recordedAgency
June 5, 2025Notice of ViolationState
July 26, 2021Notice of ViolationState
May 24, 2021Notice of ViolationState
September 6, 2019Notice of ViolationState

Stack tests

The newest 50 of 81.

DateWhat EPA recordedAgency
May 14, 2026PassState
May 14, 2026PassState
May 14, 2026PassState
November 12, 2025PassState
November 12, 2025PassState
November 10, 2025PassState
November 10, 2025PassState
August 8, 2025PassState
July 16, 2025PassState
July 16, 2025PassState
July 16, 2025PassState
July 16, 2025PassState
July 16, 2025PassState
July 16, 2025PassState
May 8, 2025PassState
May 7, 2025PassState
May 6, 2025PassState
November 7, 2024PassState
November 7, 2024PassState
November 5, 2024PassState
August 15, 2024PassState
August 15, 2024FailState
August 14, 2024PassState
May 8, 2024PassState
May 7, 2024PassState
April 12, 2024PassState
April 12, 2024PassState
April 12, 2024PassState
December 19, 2023PassState
November 20, 2023PassState
November 20, 2023PassState
October 24, 2023PassState
October 24, 2023PassState
August 22, 2023PassState
July 25, 2023PassState
July 12, 2023PassState
June 22, 2023PassState
June 19, 2023FailState
June 19, 2023PassState
September 30, 2022PassState
September 29, 2022PassState
August 25, 2022PassState
July 29, 2022FailState
June 23, 2022FailState
April 12, 2022PassState
September 16, 2021PassState
June 25, 2021PassState
June 24, 2021PassState
January 20, 2021PassState
January 20, 2021PassState

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 110007899756 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 GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) in Sweetwater County, WY, on EPA's ICIS-AIR register. It lists 14 Compliance evaluations since January 1, 2017, 4 High-priority violations since January 1, 2017, and 8 Formal enforcement actions since January 1, 2017. The page also lists operating status Operating, emissions classification Major source, and current violation status No Violation Identified.