EPA Air · violations by state and year
High-priority air violations in New Hampshire, 2025
- 23Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Every violation below was recorded against a source in New Hampshire during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in New Hampshire, 2025
New Hampshire, other years
High-priority air violations recorded in New Hampshire, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-14 | UNIFIRST CORPORATION — high-priority violation on file | LEBANON, Grafton, NH | Earliest FRV determination | State |
| 2025-10-20 | CONTINENTAL PAVING INC. - LITCHFIELD HMA — high-priority violation on file | LITCHFIELD, Hillsborough, NH | Earliest FRV determination | State |
| 2025-10-09 | COLD RIVER MATERIALS - WALPOLE (ASPHALT) — high-priority violation on file | WALPOLE, Cheshire, NH | Earliest FRV determination | State |
| 2025-09-15 | NOVO NORDISK US BIO PRODUCTION, INC. | LEBANON, Grafton, NH | Earliest FRV determination | State |
| 2025-08-25 | THE BRONZE CRAFT CORPORATION | NASHUA, Hillsborough, NH | Earliest FRV determination | State |
| 2025-07-17 | PIKE INDUSTRIES, INC. - BELMONT HMA | BELMONT, Belknap, NH | Earliest FRV determination | State |
| 2025-07-17 | PEASE INTERNATIONAL AIRPORT | PORTSMOUTH, Rockingham, NH | Earliest FRV determination | State |
| 2025-06-11 | DARTMOUTH PRINTING COMPANY | HANOVER, Grafton, NH | Earliest FRV determination | State |
| 2025-06-11 | BLAKTOP, INC. | LEBANON, Grafton, NH | Earliest FRV determination | State |
| 2025-06-11 | NEXTERA RENEWABLE FUELS, LLC - FOUR HILLS LANDFILL | NASHUA, Hillsborough, NH | Earliest FRV determination | State |
| 2025-06-04 | GOLD BOND BUILDING PRODUCTS, LLC | PORTSMOUTH, Rockingham, NH | Earliest FRV determination | State |
| 2025-04-28 | HHP INC. | HENNIKER, Merrimack, NH | Earliest FRV determination | State |
| 2025-04-17 | NASHUA, CITY OF - WASTEWATER TREATMENT FACILITY | NASHUA, Hillsborough, NH | Earliest FRV determination | State |
| 2025-04-16 | KEENE STATE COLLEGE | KEENE, Cheshire, NH | Earliest FRV determination | State |
| 2025-04-02 | CAN-ONE (USA), INC. D/B/A KJ CAN USA | NASHUA, Hillsborough, NH | Earliest FRV determination | State |
| 2025-03-25 | RIVERWOODS AT EXETER | EXETER, Rockingham, NH | Earliest FRV determination | State |
| 2025-03-17 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | HPV day-zero determination | State |
| 2025-03-13 | PRIMA AMERICA CORPORATION | NORTHUMBERLAND, Coos, NH | Earliest FRV determination | State |
| 2025-03-10 | EDWARD CROSS TRAINING COMPLEX | PEMBROKE, Merrimack, NH | Earliest FRV determination | State |
| 2025-03-10 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | Earliest FRV determination | State |
| 2025-02-26 | DCI, INC. | LISBON, Grafton, NH | Earliest FRV determination | State |
| 2025-01-30 | HHP INC. | HENNIKER, Merrimack, NH | Earliest FRV determination | State |
| 2025-01-16 | LOON MOUNTAIN RECREATION CORPORATION | LINCOLN, Grafton, NH | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.