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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with violations in NH in 2025. It lists 23 violations recorded in 2025.