EPA Air · inspections by state and year
Air-emissions inspections in New Hampshire, 2025
- 146Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection 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
- Hillsborough County 34
- Rockingham County 24
- Merrimack County 20
- Grafton County 18
- Coos County 15
- Strafford County 14
- Carroll County 11
- Cheshire County 5
- Sullivan County 3
New Hampshire, other years
Air-emissions inspections recorded in New Hampshire, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-17 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | PCE On-Site | State |
| 2025-12-17 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | PCE On-Site | State |
| 2025-12-17 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | PCE On-Site | State |
| 2025-12-12 | COLT REFINING, INC. | MERRIMACK, Hillsborough, NH | FCE On-Site | State |
| 2025-12-12 | SOUTHERN NEW HAMPSHIRE UNIVERSITY | HOOKSETT, Merrimack, NH | FCE On-Site | State |
| 2025-12-11 | NORTH COUNTRY ENVIRONMENTAL SERVICES, INC. | BETHLEHEM, Grafton, NH | PCE On-Site | State |
| 2025-11-24 | THE HARRIS CONSTRUCTION CO., INC. | PETERBOROUGH, Hillsborough, NH | FCE On-Site | State |
| 2025-11-19 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | PCE On-Site | State |
| 2025-11-17 | FOUR HILLS SOLID WASTE LANDFILL | NASHUA, Hillsborough, NH | PCE On-Site | State |
| 2025-11-14 | KALWALL CORPORATION - FLAT SHEET DIVISION | BOW, Merrimack, NH | FCE On-Site | State |
| 2025-11-13 | DARTMOUTH-HITCHCOCK MEDICAL CENTER | LEBANON, Grafton, NH | FCE On-Site | State |
| 2025-11-06 | NEXTERA ENERGY SEABROOK, LLC | SEABROOK, Rockingham, NH | FCE On-Site | State |
| 2025-11-05 | MT. CARBERRY SECURE LANDFILL | SUCCESS, Coos, NH | PCE On-Site | State |
| 2025-11-05 | NORTH COUNTRY ENVIRONMENTAL SERVICES, INC. | BETHLEHEM, Grafton, NH | PCE On-Site | State |
| 2025-10-30 | AAVID THERMALLOY, LLC | LACONIA, Belknap, NH | FCE On-Site | State |
| 2025-10-29 | FOUR HILLS SOLID WASTE LANDFILL | NASHUA, Hillsborough, NH | PCE On-Site | State |
| 2025-10-29 | THE QUIKRETE COMPANIES, LLC | BRENTWOOD, Rockingham, NH | FCE On-Site | State |
| 2025-10-28 | MT. CARBERRY SECURE LANDFILL | SUCCESS, Coos, NH | PCE On-Site | State |
| 2025-10-27 | LEBANON REGIONAL SOLID WASTE FACILITY | LEBANON, Grafton, NH | PCE On-Site | State |
| 2025-10-15 | FLEX LEASING POWER & SERVICE LLC | DOVER, Strafford, NH | FCE On-Site | State |
| 2025-10-08 | DARTMOUTH COLLEGE | HANOVER, Grafton, NH | FCE On-Site | State |
| 2025-10-08 | SAU #42 NASHUA HIGH SCHOOL SOUTH | NASHUA, Hillsborough, NH | FCE On-Site | State |
| 2025-10-08 | SAU #42 NASHUA HIGH SCHOOL NORTH | NASHUA, Hillsborough, NH | FCE On-Site | State |
| 2025-10-07 | FOUR HILLS SOLID WASTE LANDFILL | NASHUA, Hillsborough, NH | PCE On-Site | State |
| 2025-10-01 | NORTH COUNTRY GROWERS, LLC | BERLIN, Coos, NH | FCE On-Site | State |
| 2025-09-30 | MERRIMACK STATION | BOW, Merrimack, NH | FCE On-Site | State |
| 2025-09-25 | MERRIMACK, TOWN OF - WWTF | MERRIMACK, Hillsborough, NH | FCE On-Site | State |
| 2025-09-18 | AMERICAN BACON BOSTON FELT COMPANY, INC. | ROCHESTER, Strafford, NH | FCE On-Site | State |
| 2025-09-12 | NE RENEWABLE POWER WHITEFIELD | WHITEFIELD, Coos, NH | PCE On-Site | State |
| 2025-09-12 | NE RENEWABLE POWER WHITEFIELD | WHITEFIELD, Coos, NH | PCE On-Site | State |
| 2025-09-12 | NE RENEWABLE POWER WHITEFIELD | WHITEFIELD, Coos, NH | PCE On-Site | State |
| 2025-09-03 | LABSPHERE INC | SUTTON, Merrimack, NH | FCE On-Site | State |
| 2025-09-03 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | PCE On-Site | State |
| 2025-08-28 | NANTUCKET BEADBOARD COMPANY, INC. | ROCHESTER, Strafford, NH | FCE On-Site | State |
| 2025-08-27 | MT. CARBERRY SECURE LANDFILL | SUCCESS, Coos, NH | PCE On-Site | State |
| 2025-08-27 | CKM ELECTROSTATIC COATINGS LLC | BRENTWOOD, Rockingham, NH | FCE On-Site | State |
| 2025-08-26 | NORTH COUNTRY ENVIRONMENTAL SERVICES, INC. | BETHLEHEM, Grafton, NH | PCE On-Site | State |
| 2025-08-26 | SOUHEGAN WOOD PRODUCTS, INC. | WILTON, Hillsborough, NH | FCE On-Site | State |
| 2025-08-25 | ENSIO RESOURCES, INC. | BOW, Merrimack, NH | FCE On-Site | State |
| 2025-08-21 | FROLING ENERGY | KEENE, Cheshire, NH | FCE On-Site | State |
| 2025-08-21 | NORTH COUNTRY ENVIRONMENTAL SERVICES, INC. | BETHLEHEM, Grafton, NH | PCE On-Site | State |
| 2025-08-20 | HANCOCK LUMBER COMPANY MADISON MILL | MADISON, Carroll, NH | FCE On-Site | State |
| 2025-08-20 | AMI GRAPHICS | STRAFFORD, Strafford, NH | FCE On-Site | State |
| 2025-08-15 | A PLUS FINISHING, INC. | HUDSON, Hillsborough, NH | FCE On-Site | State |
| 2025-08-12 | SACHEM VILLAGE | LEBANON, Grafton, NH | FCE On-Site | State |
| 2025-08-12 | WASTE MANAGEMENT OF NH, INC./LONDONDERRY | LONDONDERRY, Rockingham, NH | FCE On-Site | State |
| 2025-08-11 | MT. CARBERRY SECURE LANDFILL | SUCCESS, Coos, NH | PCE On-Site | State |
| 2025-08-11 | H&M METALS, LLC | AMHERST, Hillsborough, NH | PCE On-Site | State |
| 2025-08-11 | PRO FINISHING INC | HAMPSTEAD, Rockingham, NH | FCE On-Site | State |
| 2025-08-06 | C W KELLER & ASSOCIATES INC | PLAISTOW, Rockingham, NH | PCE On-Site | State |
| 2025-08-06 | AERODYNAMICS, LLC | SEABROOK, Rockingham, NH | FCE On-Site | State |
| 2025-08-01 | COMCAST - HUDSON CALL CENTER | HUDSON, Hillsborough, NH | PCE On-Site | State |
| 2025-08-01 | TRI-STATE PAINTING, INC. | FRANKLIN, Merrimack, NH | FCE On-Site | State |
| 2025-08-01 | HPIII BOSTON, LLC | SALEM, Rockingham, NH | PCE On-Site | State |
| 2025-08-01 | JOHN HANCOCK | PORTSMOUTH, Rockingham, NH | PCE On-Site | State |
| 2025-07-30 | FOUR HILLS SOLID WASTE LANDFILL | NASHUA, Hillsborough, NH | PCE On-Site | State |
| 2025-07-30 | FOUR HILLS SOLID WASTE LANDFILL | NASHUA, Hillsborough, NH | PCE On-Site | State |
| 2025-07-29 | CONSOLIDATED COMMUNICATIONS - MANCHESTER HOLT AVE | MANCHESTER, Hillsborough, NH | PCE On-Site | State |
| 2025-07-28 | STRUCTURES UNLIMITED, INC. | BOW, Merrimack, NH | FCE On-Site | State |
| 2025-07-28 | NITCO | CONCORD, Merrimack, NH | FCE On-Site | State |
| 2025-07-24 | CONCORD MONITOR | CONCORD, Merrimack, NH | FCE On-Site | State |
| 2025-07-21 | LEN-TEX CORPORATION | WALPOLE, Cheshire, NH | FCE On-Site | State |
| 2025-07-21 | EVS NEW HAMPSHIRE INC | KEENE, Cheshire, NH | FCE On-Site | State |
| 2025-07-17 | N E TANYA FINISHES INC | DERRY, Rockingham, NH | PCE Off-Site | State |
| 2025-07-16 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | FCE On-Site | State |
| 2025-07-15 | ANTIFREEZE TECHNOLOGY SYSTEMS | BOW, Merrimack, NH | PCE On-Site | State |
| 2025-07-11 | KEENE, CITY OF - TRANSFER STATION & RECYCLING CENTER | KEENE, Cheshire, NH | FCE On-Site | State |
| 2025-07-10 | SAU #48 PLYMOUTH REGIONAL HIGH SCHOOL | PLYMOUTH, Grafton, NH | FCE On-Site | State |
| 2025-07-08 | NEW HAMPSHIRE BALL BEARINGS, INC. | PETERBOROUGH, Hillsborough, NH | FCE On-Site | State |
| 2025-07-02 | NORTHLAND FOREST PRODUCTS, INC. | KINGSTON, Rockingham, NH | FCE On-Site | State |
| 2025-06-30 | EXCALIBUR SHELVING SYSTEMS, INC. | HOPKINTON, Merrimack, NH | FCE On-Site | State |
| 2025-06-27 | PORTSMOUTH REGIONAL HOSPITAL | PORTSMOUTH, Rockingham, NH | FCE On-Site | State |
| 2025-06-27 | TURBOCAM ENHANCED SURFACES | DOVER, Strafford, NH | FCE On-Site | State |
| 2025-06-26 | KENT NUTRITION GROUP, INC. | BOW, Merrimack, NH | FCE On-Site | State |
| 2025-06-24 | MT. CARBERRY SECURE LANDFILL | SUCCESS, Coos, NH | PCE On-Site | State |
| 2025-06-19 | SIG SAUER INC. | NEWINGTON, Rockingham, NH | FCE On-Site | State |
| 2025-06-19 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | PCE On-Site | U.S. EPA |
| 2025-06-12 | NH DOC NORTHERN NEW HAMPSHIRE CORRECTIONAL FACILITY | BERLIN, Coos, NH | FCE On-Site | State |
| 2025-06-12 | NH DOC CORRECTIONAL INDUSTRIES | CONCORD, Merrimack, NH | PCE Off-Site | State |
| 2025-06-10 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | NASHUA, Hillsborough, NH | FCE On-Site | State |
| 2025-06-10 | HENRY HANGER COMPANY | NASHUA, Hillsborough, NH | PCE On-Site | State |
| 2025-06-10 | LINDE ADVANCED MATERIAL TECHNOLOGIES INC. | CONCORD, Merrimack, NH | FCE On-Site | State |
| 2025-06-09 | SUBCOM CABLE SYSTEMS, LLC | NEWINGTON, Rockingham, NH | FCE On-Site | State |
| 2025-06-05 | SAFRAN AEROSPACE COMPOSITES | ROCHESTER, Strafford, NH | FCE On-Site | State |
| 2025-06-04 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | PCE On-Site | State |
| 2025-06-02 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | PCE On-Site | State |
| 2025-06-02 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | PCE On-Site | State |
| 2025-06-02 | NE RENEWABLE POWER TAMWORTH — high-priority violation on file | TAMWORTH, Carroll, NH | PCE On-Site | State |
| 2025-05-30 | MASIMO SEMICONDUCTOR, INC. | HUDSON, Hillsborough, NH | FCE On-Site | State |
| 2025-05-29 | AMERICAN PERFORMANCE POLYMERS LLC | COLEBROOK, Coos, NH | PCE On-Site | State |
| 2025-05-29 | MT. CARBERRY SECURE LANDFILL | SUCCESS, Coos, NH | FCE On-Site | State |
| 2025-05-29 | WHEELABRATOR CONCORD COMPANY, L.P. | CONCORD, Merrimack, NH | PCE On-Site | State |
| 2025-05-28 | MORGAN ADVANCED CERAMICS | HUDSON, Hillsborough, NH | FCE On-Site | State |
| 2025-05-23 | THE MEMORIAL HOSPITAL AT NORTH CONWAY, N.H. | CONWAY, Carroll, NH | FCE On-Site | State |
| 2025-05-22 | LITTLETON REGIONAL HEALTHCARE | LITTLETON, Grafton, NH | FCE On-Site | State |
| 2025-05-22 | IPG MEDICAL CORPORATION | SALEM, Rockingham, NH | FCE On-Site | State |
| 2025-05-21 | HITCHINER MANUFACTURING CO., INC. | MILFORD, Hillsborough, NH | FCE On-Site | State |
| 2025-05-20 | NORTH COUNTRY ENVIRONMENTAL SERVICES, INC. | BETHLEHEM, Grafton, NH | PCE On-Site | State |
| 2025-05-19 | NASHUA FOUNDRIES, INC. | NASHUA, Hillsborough, NH | FCE On-Site | State |
| 2025-05-12 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | FCE On-Site | State |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.