EPA Air · inspections by county and year
Air-emissions inspections in St. Lawrence County, New York, 2025
- 38Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in St. Lawrence County, New York 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 St. Lawrence County facility page.
St. Lawrence County, New York, 2025
Air-emissions inspections in St. Lawrence County, other years
Air-emissions inspections recorded in St. Lawrence County, New York, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-06 | HOOSIER MAGNETICS INC | PCE On-Site | State |
| 2025-10-30 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2025-10-08 | ALCOA MASSENA OPERATIONS | PCE On-Site | State |
| 2025-09-18 | ALCOA MASSENA OPERATIONS | FCE On-Site | State |
| 2025-09-16 | CORNING INCORPORATED - CANTON PLANT | FCE On-Site | State |
| 2025-09-16 | MASSENA ENERGY FACILITY | FCE On-Site | State |
| 2025-09-15 | CURRAN RENEWABLE ENERGY LLC | FCE On-Site | State |
| 2025-09-12 | BARRETT PAVING NORWOOD QUARRY | FCE On-Site | State |
| 2025-09-03 | BARRETT PAVING NORWOOD QUARRY | PCE On-Site | State |
| 2025-08-15 | CORNING INCORPORATED - CANTON PLANT | PCE On-Site | State |
| 2025-08-06 | MASSENA ENERGY FACILITY | PCE On-Site | State |
| 2025-07-30 | CORNING INCORPORATED - CANTON PLANT | PCE Off-Site | State |
| 2025-07-30 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2025-07-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2025-07-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2025-07-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2025-07-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2025-07-24 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2025-06-26 | ALCOA MASSENA OPERATIONS | PCE On-Site | State |
| 2025-06-24 | CURRAN RENEWABLE ENERGY LLC | PCE On-Site | State |
| 2025-04-23 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2025-02-25 | BARRETT PAVING NORWOOD QUARRY | PCE On-Site Record/Report Review | State |
| 2025-01-31 | HANSON - OGDENSBURG | PCE Off-Site | State |
| 2025-01-30 | CORNING INCORPORATED - CANTON PLANT | PCE Off-Site | State |
| 2025-01-30 | CORNING INCORPORATED - CANTON PLANT | PCE Off-Site | State |
| 2025-01-30 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2025-01-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2025-01-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2025-01-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2025-01-30 | BARRETT PAVING NORWOOD QUARRY | PCE Off-Site | State |
| 2025-01-30 | KNAPPS STATION ROAD QUARRY | PCE Off-Site | State |
| 2025-01-29 | HOOSIER MAGNETICS INC | PCE Off-Site | State |
| 2025-01-29 | CATAMOUNT RIDGE QUARRY | PCE Off-Site | State |
| 2025-01-27 | SHEEHAN ASPHALT PLANT POTSDAM | PCE Off-Site | State |
| 2025-01-22 | TRPC POTSDAM LLC | PCE Off-Site | State |
| 2025-01-20 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2025-01-16 | APC PAPER COMPANY OF NEW YORK | PCE Off-Site | State |
| 2025-01-15 | CURRAN RENEWABLE ENERGY LLC | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.