EPA Air · inspections by county and year
Air-emissions inspections in St. Lawrence County, New York, 2026
- 19Inspections
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 2026. 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.
Air-emissions inspections in St. Lawrence County, other years
Air-emissions inspections recorded in St. Lawrence County, New York, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-29 | KNAPPS STATION ROAD QUARRY | PCE On-Site | State |
| 2026-07-23 | ALCOA MASSENA OPERATIONS | PCE On-Site | State |
| 2026-04-28 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2026-02-03 | HOOSIER MAGNETICS INC | PCE Off-Site | State |
| 2026-01-30 | CORNING INCORPORATED - CANTON PLANT | PCE Off-Site | State |
| 2026-01-30 | CORNING INCORPORATED - CANTON PLANT | PCE Off-Site | State |
| 2026-01-30 | DUNN PAPER - NATURAL DAM | PCE Off-Site | State |
| 2026-01-30 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2026-01-30 | MASSENA ENERGY FACILITY | PCE Off-Site | State |
| 2026-01-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2026-01-30 | ALCOA MASSENA OPERATIONS | PCE Off-Site | State |
| 2026-01-30 | SHEEHAN ASPHALT PLANT POTSDAM | PCE Off-Site | State |
| 2026-01-30 | CATAMOUNT RIDGE QUARRY | PCE Off-Site | State |
| 2026-01-30 | HANSON - OGDENSBURG | PCE Off-Site | State |
| 2026-01-26 | BARRETT PAVING NORWOOD QUARRY | PCE Off-Site | State |
| 2026-01-20 | CURRAN RENEWABLE ENERGY LLC | PCE Off-Site | State |
| 2026-01-19 | ALCOA MASSENA OPERATIONS | PCE On-Site Record/Report Review | State |
| 2026-01-16 | APC PAPER COMPANY OF NEW YORK | PCE Off-Site | State |
| 2026-01-14 | TRPC POTSDAM LLC | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.