EPA Air · stack tests by county and year
Air-emissions stack tests in Newport County, Rhode Island, 2025
- 3Stack 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 Newport County, Rhode Island 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 Newport County facility page.
Newport County, Rhode Island, 2025
Air-emissions stack tests in Newport County, other years
- 2017 4
Air-emissions stack tests recorded in Newport County, Rhode Island, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-08-13 | TIVERTON POWER, INC. | Pass | State |
| 2025-05-15 | TIVERTON MATERIALS | Pass | U.S. EPA |
| 2025-03-13 | NAVAL STATION NEWPORT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.