Velarion Records

Clean Air Act stationary source · ICIS-AIR 080000004904700108

WEXPRO ISLAND COMPRESSOR (FRMLY MPLX), Vernal, UT: Clean Air Act compliance record, inspections, violations, penalties

WEXPRO ISLAND COMPRESSOR (FRMLY MPLX), at 25 MILES SW OF VERNAL, Vernal in Uintah County, Utah, 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”. Uintah 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 filedWEXPRO ISLAND COMPRESSOR (FRMLY MPLX)
ICIS-AIR ID080000004904700108
EPA facility registry ID110022482259
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address25 MILES SW OF VERNAL, Vernal, UT
CountyUintah County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Oil and gas extraction (NAICS 2111)
SIC code1311
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 WEXPRO ISLAND COMPRESSOR (FRMLY MPLX) 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
August 20, 2026FCE On-SiteU.S. EPAFederal Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 17, 2024FCE On-SiteU.S. EPAOperating Permits
June 23, 2022FCE On-SiteU.S. EPAOperating Permits
September 27, 2021PCE Off-SiteU.S. EPAOperating Permits
September 9, 2020PCE Off-SiteU.S. EPAMACT Standards (40 CFR Part 63); New Source Performance Standards; Operating Permits
September 9, 2020FCE Off-SiteU.S. EPAMACT Standards (40 CFR Part 63); New Source Performance Standards; Operating Permits
July 31, 2018FCE On-SiteU.S. EPAMACT Standards (40 CFR Part 63); Operating Permits
September 19, 2017PCE On-SiteU.S. EPANew Source Performance Standards

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 080000004904700108 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

DateWhat EPA recordedAgency
November 22, 2019Notice of ViolationU.S. EPA

Stack tests

DateWhat EPA recordedAgency
May 16, 2023PassU.S. EPA
August 16, 2022PassU.S. EPA
October 28, 2021PassU.S. EPA
September 28, 2021PassU.S. EPA
December 8, 2020PassU.S. EPA
October 31, 2019PassU.S. EPA
October 29, 2019PassU.S. EPA
November 2, 2018PassU.S. EPA
April 4, 2018PassU.S. EPA
October 10, 2017PassU.S. EPA
March 30, 2017PassU.S. EPA
March 29, 2017PassU.S. EPA

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 110022482259 there.

Nearby on the register

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

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