EPA Air · by county
Air-emissions sources in Walthall County, Mississippi
- 7Facilities
Every stationary source in Walthall County, Mississippi that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
Every source’s record in Walthall County
Each of the 7 operating major, synthetic minor and minor sources in Walthall County, Mississippi has a record page: every source in Walthall County, A to Z.
By emissions classification in Walthall County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Walthall County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
Stack tests in Walthall County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 3
- 2025 stack tests 3
- 2024 stack tests 7
- 2023 stack tests 3
- 2021 stack tests 6
- 2018 stack tests 4
Inspections in Walthall County, year by year · Stack tests in Walthall County, year by year
Other counties in Mississippi
Every county in the state with at least three sources on file.
- Scott County 9
- Sharkey County 4
- Simpson County 5
- Smith County 20
- Stone County 5
- Sunflower County 4
- Tate County 23
- Tippah County 11
- Tishomingo County 13
- Tunica County 3
- Undetermined County 42
- Union County 16
- Warren County 22
- Washington County 23
- Wayne County 22
- Webster County 3
- Wilkinson County 22
- Winston County 6
- Yazoo County 15
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AMERICAN PACKAGING | Minor source | No |
| CHISOS PIPELINE COMPANY LLC, DEXTER COMPRESSOR STATION | Minor source | No |
| GULF SOUTH PIPELINE COMPANY LLC, MCCOMB COMPRESSOR STATION | Major source | No |
| JONES LUMBER COMPANY INC | Minor source | No |
| SOUTHERN NATURAL GAS COMPANY LLC, PEARL RIVER GAS TURBINE STATION | Major source | No |
| TRANSCONTINENTAL GAS PIPELINE COMPANY LLC, STATION 70 | Major source | No |
| WALTHALL COUNTY GENERAL HOSPITAL | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Walthall county, MS. It lists 7 facilities in Walthall county and 3 major sources.