EPA Air · stack tests by county and year
Air-emissions stack tests in Dorchester County, South Carolina, 2025
- 11Stack 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 Dorchester County, South Carolina during 2025. 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 Dorchester County facility page.
Dorchester County, South Carolina, 2025
Air-emissions stack tests in Dorchester County, other years
What stands out
- Stack tests in Dorchester County, South Carolina, fell from 13 in 2024, the previous year on file, to 11 in 2025.
- The county’s file for stack tests holds 10 years of events, from 2017 through 2026.
- Its 11 stack tests rank 6th of the 22 county cells in South Carolina for 2025.
- Its 11 stack tests are 5.2% of the 210 the state’s file holds for 2025.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Dorchester County, South Carolina, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-16 | DORCHESTER BIOMASS LLC | Pass | State |
| 2025-12-09 | RIDGEVILLE WOOD RECYCLING COMPOST FACILITY — high-priority violation on file | Pass | State |
| 2025-10-31 | DORCHESTER BIOMASS LLC | Pass | State |
| 2025-10-01 | RESONAC GRAPHITE AMERICA INC — high-priority violation on file | Pass | State |
| 2025-09-30 | RESONAC GRAPHITE AMERICA INC — high-priority violation on file | Pass | State |
| 2025-09-27 | HM SOUTHEAST CEMENT LLC | Pass | State |
| 2025-08-12 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | Pass | State |
| 2025-07-08 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | Fail | State |
| 2025-05-02 | LAUSCHA FIBER INTERNATIONAL | Pass | State |
| 2025-04-05 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | Pass | State |
| 2025-02-28 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | 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 Dorchester county, SC, in 2025. It lists 11 stack tests recorded in 2025.