Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Ellis County, Texas, 2024

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 Ellis County, Texas during 2024. 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 Ellis County facility page.

Ellis County, Texas, 2024

Air-emissions stack tests in Ellis County, other years

Air-emissions stack tests recorded in Ellis County, Texas, 2024

DateFacilityKindAgency
2024-09-19MIDLOTHIAN ENERGY FACILITYN/AState
2024-08-27ASH GROVE CEMENTPassState
2024-08-27MIDLOTHIAN FACILITYPassState
2024-08-01HOLCIM TEXASPassState
2024-08-01HOLCIM TEXASPassState
2024-07-16HOLCIM TEXASFailState
2024-06-27OWENS CORNING INSULATING SYSTEMS WAXAHACHIE PLANTN/AState
2024-05-07MAYPEARL COMPRESSOR STATIONPassState
2024-04-29HOLCIM TEXASPassState
2024-03-30GERDAU MIDLOTHIAN PLANTN/AState
2024-02-21GERDAU MIDLOTHIAN PLANTPassState
2024-02-21GERDAU MIDLOTHIAN PLANTPassState
2024-02-21GERDAU MIDLOTHIAN PLANTPassState
2024-02-12HOLCIM TEXASN/AState

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 Ellis county, TX, for 2024. It lists 14 stack tests recorded in 2024.