EPA Air · stack tests by county and year
Air-emissions stack tests in Winnebago County, Illinois, 2021
- 4Stack 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 Winnebago County, Illinois during 2021. 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 Winnebago County facility page.
Winnebago County, Illinois, 2021
Air-emissions stack tests in Winnebago County, other years
What stands out
- The county’s file for stack tests holds 3 years of events, from 2021 through 2026.
- Its 4 stack tests rank 9th of the 17 county cells in Illinois for 2021.
- Its 4 stack tests are 2.8% of the 142 the state’s file holds for 2021.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Winnebago County, Illinois, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-10-07 | CHEM PROCESSING INC | Pass | State |
| 2021-08-27 | ROCKFORD ENERGY CENTER | Pass | State |
| 2021-05-06 | ROCKFORD BRAKE MANUFACTURING, INC. — high-priority violation on file | Pass | State |
| 2021-01-13 | ROCKFORD ENERGY CENTER | 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 Winnebago county, IL, in 2021. It lists 4 stack tests recorded in 2021.