EPA Air · stack tests by county and year

Air-emissions stack tests in Jones County, Mississippi, 2025

19Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Jones County, Mississippi during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Jones County facility page.

Jones County, Mississippi, 2025

Air-emissions stack tests in Jones County, other years

Air-emissions stack tests recorded in Jones County, Mississippi, 2025

Date	Facility	Kind	Agency
2025-09-17	MASONITE CORPORATION — high-priority violation on file	Pass	State
2025-09-17	MASONITE CORPORATION — high-priority violation on file	Pass	State
2025-09-17	MASONITE CORPORATION — high-priority violation on file	Pass	State
2025-09-03	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-09-03	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-09-03	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-08-05	COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT	Pass	State
2025-07-16	MASONITE CORPORATION — high-priority violation on file	Pass	State
2025-04-29	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-04-29	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-04-29	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-04-28	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-04-28	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	Pass	State
2025-04-15	MASONITE CORPORATION — high-priority violation on file	Pass	State
2025-04-15	MASONITE CORPORATION — high-priority violation on file	Fail	State
2025-03-19	COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT	Pass	State
2025-03-18	COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT	Pass	State
2025-03-18	HUNT SOUTHLAND REFINING COMPANY LLC	Pass	State
2025-03-17	HUNT SOUTHLAND REFINING COMPANY LLC	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Jones county, MS, for 2025. It lists 19 stack tests recorded in 2025.