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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Providence county, RI, in 2025. It lists 23 stack tests recorded in 2025.