EPA Air · by county
Air-emissions sources in Webster County, Louisiana
- 296Facilities
Every stationary source in Webster County, Louisiana 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 Webster County
Each of the 264 operating major, synthetic minor and minor sources in Webster County, Louisiana has a record page: every source in Webster County, A to Z.
By emissions classification in Webster 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 Webster 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.
- 2025 inspections 9
- 2024 inspections 11
- 2023 inspections 5
- 2022 inspections 7
- 2021 inspections 7
- 2020 inspections 4
- 2019 inspections 74
- 2018 inspections 36
- 2017 inspections 6
Stack tests in Webster County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
Inspections in Webster County, year by year · Stack tests in Webster County, year by year
Other counties in Louisiana
Every county in the state with at least three sources on file.
- St. Helena County 23
- St. James County 53
- St. John the Baptist County 39
- St. Landry County 69
- St. Martin County 84
- St. Mary County 159
- St. Tammany County 31
- Tangipahoa County 27
- Tensas County 12
- Terrebonne County 235
- Undetermined County 205
- Union County 38
- Vermilion County 179
- Vernon County 83
- Washington County 23
- West Baton Rouge County 74
- West Carroll County 4
- West Feliciana County 7
- Winn County 14
Facilities
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.