Velarion Records

Clean Air Act stationary source · ICIS-AIR MS0000002804900250

MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION, Edwards, MS: Clean Air Act compliance record, inspections, violations, penalties

MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION, at 4585 SMITH STATION ROAD, Edwards in Hinds County, Mississippi, 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”. 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 filedMIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION
ICIS-AIR IDMS0000002804900250
EPA facility registry ID110039636187
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address4585 SMITH STATION ROAD, Edwards, MS 39066
CountyHinds County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Pipeline transportation (NAICS 4862)
EPA region04

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 MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION 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
April 23, 2025FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
December 5, 2022FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 17, 2021FCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
January 22, 2019FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
April 4, 2017FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title 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 MS0000002804900250 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 MS0000002804900250 since January 1, 2017.

Stack tests

The newest 50 of 120.

DateWhat EPA recordedAgency
January 14, 2026PassState
January 14, 2026PassState
January 14, 2026PassState
January 14, 2026PassState
January 14, 2026PassState
January 14, 2026PassState
January 14, 2026PassState
January 14, 2026PassState
January 14, 2026PassState
January 13, 2026PassState
January 13, 2026PassState
January 13, 2026PassState
January 29, 2025PassState
January 29, 2025PassState
January 29, 2025PassState
January 29, 2025PassState
January 29, 2025PassState
January 29, 2025PassState
January 28, 2025PassState
January 28, 2025PassState
January 28, 2025PassState
January 28, 2025PassState
January 28, 2025PassState
January 28, 2025PassState
January 24, 2024PassState
January 24, 2024PassState
January 24, 2024PassState
January 24, 2024PassState
January 24, 2024PassState
January 24, 2024PassState
January 23, 2024PassState
January 23, 2024PassState
January 23, 2024PassState
January 23, 2024PassState
January 23, 2024PassState
January 23, 2024PassState
February 1, 2023PassState
February 1, 2023PassState
February 1, 2023PassState
February 1, 2023PassState
February 1, 2023PassState
February 1, 2023PassState
January 31, 2023PassState
January 31, 2023PassState
January 31, 2023PassState
January 31, 2023PassState
January 31, 2023PassState
January 31, 2023PassState
February 23, 2022PassState
February 23, 2022PassState

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 110039636187 there.

Nearby on the register

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

What this page shows

This page of the Velarion Records public-records register covers the Clean Air Act compliance record for MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION, at 4585 SMITH STATION ROAD, Edwards in Hinds County, Mississippi. The facility is listed as an operating major source, with current violation status recorded as No Violation Identified. The page lists 5 compliance evaluations since January 1, 2017, 0 high-priority violations since January 1, 2017, and 0 formal enforcement actions since January 1, 2017.

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