EPA Air · stack tests by county and year
Air-emissions stack tests in Boone County, Iowa, 2020
- 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 Boone County, Iowa during 2020. 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 Boone County facility page.
Air-emissions stack tests in Boone County, other years
- 2022 3
Air-emissions stack tests recorded in Boone County, Iowa, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-10-23 | OGDEN MUNICIPAL UTILITIES | Pass | State |
| 2020-07-29 | OGDEN MUNICIPAL UTILITIES | Pass | State |
| 2020-07-28 | OGDEN MUNICIPAL UTILITIES | Pass | State |
| 2020-03-24 | NORTHERN NATURAL GAS CO-OGDEN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.