EPA Air · by county
Air-emissions sources in Clay County, Illinois
- 50Facilities
Every stationary source in Clay County, Illinois 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 Clay County
Each of the 50 operating major, synthetic minor and minor sources in Clay County, Illinois has a record page: every source in Clay County, A to Z.
By emissions classification in Clay 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.
- Minor source 47
Stack tests in Clay County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
Stack tests in Clay County, year by year
Other counties in Illinois
Every county in the state with at least three sources on file.
- Bond County 34
- Boone County 73
- Brown County 7
- Bureau County 63
- Calhoun County 8
- Carroll County 52
- Cass County 30
- Champaign County 266
- Christian County 68
- Clark County 38
- Clinton County 79
- Coles County 99
- Cook County 4,231
- Crawford County 42
- Cumberland County 17
- De Witt County 43
- DeKalb County 107
- Douglas County 50
- DuPage County 918
Facilities
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 Clay county, IL. It lists 50 facilities in Clay county and 2 major sources.