EPA Air · stack tests by county and year
Air-emissions stack tests in Caddo County, Oklahoma, 2021
- 14Stack 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 Caddo County, Oklahoma 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 Caddo County facility page.
Caddo County, Oklahoma, 2021
- Inspections 23
Air-emissions stack tests in Caddo County, other years
What stands out
- Stack tests in Caddo County, Oklahoma, fell from 18 in 2020, the previous year on file, to 14 in 2021.
- The county’s file for stack tests holds 6 years of events, from 2017 through 2024.
- Its 14 stack tests rank 20th of the 42 county cells in Oklahoma for 2021.
- Its 14 stack tests are 1.1% of the 1,318 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 Caddo County, Oklahoma, 2021
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 Caddo, OK, in 2021. It lists 14 stack tests recorded in 2021.