EPA Air · stack tests by county and year
Air-emissions stack tests in Providence County, Rhode Island, 2025
- 23Stack 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 Providence 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 Providence County facility page.
Providence County, Rhode Island, 2025
Air-emissions stack tests in Providence County, other years
Air-emissions stack tests recorded in Providence County, Rhode Island, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-19 | RHODE ISLAND LFG GENCO LLC — high-priority violation on file | Pass | State |
| 2025-12-03 | BROWN UNIVERSITY | Fail | State |
| 2025-12-02 | BROWN UNIVERSITY | Pass | State |
| 2025-10-30 | ALGONQUIN GAS TRANSMISSION LINE | Pass | State |
| 2025-10-29 | MIRIAM HOSPITAL | Pending | State |
| 2025-10-29 | RI RESOURCE RECOVERY CORP-CENTRAL LNDFL | Pass | State |
| 2025-10-02 | COOLEY, INC. | Pass | State |
| 2025-09-16 | ASPEN AEROGELS, INC. — high-priority violation on file | Pass | State |
| 2025-09-11 | MANCHESTER STREET, LLC | Pass | State |
| 2025-08-20 | RHODE ISLAND LFG GENCO LLC — high-priority violation on file | Pass | State |
| 2025-07-15 | RHODE ISLAND BLOOD CENTER — high-priority violation on file | Pass | State |
| 2025-07-11 | OCEAN STATE POWER | Pending | State |
| 2025-07-08 | OCEAN STATE POWER | Pass | State |
| 2025-07-08 | RHODE ISLAND LFG GENCO LLC — high-priority violation on file | Pass | State |
| 2025-07-03 | LYNCH CORP. | Pass | State |
| 2025-06-18 | RI DEPT.OF ADMINISTRATION,PASTORE CENTER | Pass | State |
| 2025-06-17 | ALGONQUIN GAS TRANSMISSION LINE | Pass | State |
| 2025-06-04 | NARRAGANSETT IMPROVEMENT COMPANY | N/A | U.S. EPA |
| 2025-06-04 | NARRAGANSETT IMPROVEMENT COMPANY | Pass | State |
| 2025-05-22 | RHODE ISLAND STATE ENERGY CENTER, LP (FKA ENTERGY RI STATE ENERGY, LP) | Pass | State |
| 2025-03-28 | CRANSTON WPCF | Pass | State |
| 2025-03-26 | CRANSTON WPCF | Pass | State |
| 2025-01-28 | RI DEPT.OF ADMINISTRATION,PASTORE CENTER | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.