EPA Air · by county
Air-emissions sources in Merrimack County, New Hampshire
- 189Facilities
Every stationary source in Merrimack County, New Hampshire that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Merrimack County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Merrimack County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 9
- 2025 — inspections 20
- 2024 — inspections 17
- 2023 — inspections 9
- 2022 — inspections 9
- 2021 — inspections 12
- 2020 — inspections 19
- 2019 — inspections 13
- 2018 — inspections 22
- 2017 — inspections 14
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| NH DAS CONCORD DISTRICT COURT | Minor source | No |
| NH DAS DOWNTOWN CONCORD | Minor source | No |
| NH DAS HAZEN DRIVE COMPLEX | Synthetic minor source | No |
| NH DAS MERRIMACK COUNTY SUPERIOR COURT | Minor source | No |
| NH DAS SMOKEY BEAR BLVD | Minor source | No |
| NH DAS STATE OFFICE PARK SOUTH | Minor source | No |
| NH DES/WRBP - FRANKLIN TREATMENT PLANT | Minor source | No |
| NH DES/WRBP - RIVER STREET PUMP STATION | Minor source | No |
| NH DHHS NEW HAMPSHIRE HOSPITAL | Synthetic minor source | No |
| NH DMA&VS - ARMY AVIATION SUPPORT FACILITY | Minor source | No |
| NH DMA&VS - STATE MILITARY RESERVATION | Minor source | No |
| NH DOC CORRECTIONAL INDUSTRIES | Synthetic minor source | No |
| NH DOC NEW HAMPSHIRE STATE PRISON | Minor source | No |
| NH DOS FIRE ACADEMY | Minor source | No |
| NH INTERNATIONAL SPEEDWAY INC | Minor source | No |
| NH LIQUOR COMMISSION -STORE 66 | Minor source | No |
| NH STATE POLICE STANDARDS & TRAINING | Minor source | No |
| NHDOT, MATERIALS & RESEARCH | Minor source | No |
| NHDOT, MECHANICAL SERVICES HIGHWAY GARAGE | Minor source | No |
| NITCO | Minor source | No |
| NORTHEAST DELTA DENTAL | Minor source | No |
| NORTHEAST REFRIGERATION SERVICE | Minor source | No |
| PATS PEAK | Minor source | No |
| PCC STRUCTURALS INC/FRANKLIN | Minor source | No |
| PCC STRUCTURALS, INC. | Minor source | No |
| PECKHAM MATERIALS CORP. | Synthetic minor source | No |
| PERFECT FIT YARN, LLC | Minor source | No |
| PETROFIBER CORPORATION | Minor source | No |
| PIKE INDUSTRIES, INC. - HOOKSETT HMA | Synthetic minor source | No |
| PIKE INDUSTRIES, INC. - NORTHFIELD HMA | Synthetic minor source | No |
| PIKE INDUSTRIES, INC. D/B/A HOOKSETT CRUSHED STONE | Minor source | No |
| PITCO FRIALATOR | Minor source | No |
| PITTSFIELD - INCINERATOR/RECYCLING CENTER | Minor source | No |
| PLEASANT VIEW CENTER, MAGNOLIA HEALTHCARE | Minor source | No |
| PLEASANT VIEW GARDENS, INC. | Synthetic minor source | No |
| PLEASANT VIEW GARDENS, INC. | Synthetic minor source | No |
| PLOURDE SAND & GRAVEL CO INC - PEMBROKE | Minor source | No |
| PLOURDE SAND & GRAVEL CO, INC. - ALLENSTOWN | Synthetic minor source | No |
| PLOURDE SAND & GRAVEL CO., INC. - HOOKSETT | Synthetic minor source | No |
| PROCTOR ACADEMY | Minor source | No |
| PROTOTEK SHEETMETAL FABRICATION LLC | Minor source | No |
| PSNH D/B/A EVERSOURCE ENERGY - BOW | Minor source | No |
| PSNH D/B/A EVERSOURCE ENERGY - HOOKSETT LEGENDS DRIVE | Minor source | No |
| QUALITY WOOD PRIMING, INC. | Synthetic minor source | No |
| R1 LLC D/B/A R1 POWERSPORTS | Minor source | No |
| RAGGED MOUNTAIN RESORT | Minor source | No |
| SAU #18 BESSIE C. ROWELL SCHOOL | Minor source | No |
| SAU #18 FRANKLIN HIGH SCHOOL | Minor source | No |
| SAU #18 FRANKLIN MIDDLE SCHOOL | Minor source | No |
| SAU #18 JENNIE D. BLAKE SCHOOL | Minor source | No |
| SAU #18 PAUL A. SMITH SCHOOL | Minor source | No |
| SAU #46 BOSCAWEN ELEMENTARY SCHOOL | Minor source | No |
| SAU #46 LOUDON ELEMENTARY SCHOOL | Minor source | No |
| SAU #46 MERRIMACK VALLEY HIGH SCHOOL | Minor source | No |
| SAU #53 PEMBROKE ACADEMY | Minor source | No |
| SAU #67 BOW HIGH SCHOOL | Minor source | No |
| SAU #67 BOW MEMORIAL SCHOOL | Minor source | No |
| SAU #67 DUNBARTON ELEMENTARY SCHOOL | Minor source | No |
| SAU #8 BEAVER MEADOW SCHOOL | Minor source | No |
| SAU #8 BROKEN GROUND SCHOOL | Minor source | No |
| SAU #8 CONANT SCHOOL | Minor source | No |
| SAU #8 CONCORD HIGH SCHOOL | Minor source | No |
| SAU #8 DAME SCHOOL | Minor source | No |
| SAU #8 DEWEY SCHOOL | Minor source | No |
| SAU #8 EASTMAN SCHOOL | Minor source | No |
| SAU #8 RUMFORD SCHOOL | Minor source | No |
| SAU #8 RUNDLETT SCHOOL | Minor source | No |
| SAU #8 VOCATIONAL CENTER | Minor source | No |
| SAU #8 WALKER SCHOOL | Minor source | No |
| SAU#53- CHICHESTER CENTRAL SCHOOL | Minor source | No |
| SOUTHERN NEW HAMPSHIRE UNIVERSITY | Minor source | No |
| ST. PAUL'S SCHOOL | Synthetic minor source | No |
| STATE OF NH LIQUOR COMISSION - STORE 67 | Minor source | No |
| STRUCTURES UNLIMITED, INC. | Minor source | No |
| TCC MATERIALS | Synthetic minor source | No |
| TOBIN TOOL & DESIGN LLC | Minor source | No |
| TRANSFORMER SERVICES INC. | Minor source | No |
| TRI-STATE PAINTING, INC. | Synthetic minor source | No |
| TRIPLE L LUMBER, INC. | No | |
| VERIZON WIRELESS - LOUDON | Minor source | No |
| VERIZON WIRELESS MOBILE TELESWITCH OFFICE | Minor source | No |
| VISHAY SPRAGUE, INCORPORATED | Minor source | No |
| VITEX EXTRUSIONS | Minor source | No |
| W. F. GRACE CONSTRUCTION LLC | Minor source | No |
| WARNER POWER CONVERSION LLC | Minor source | No |
| WATTS REGULATOR CO. | Synthetic minor source | No |
| WHEELABRATOR CONCORD COMPANY, L.P. | Major source | No |
| WILKINSON-BEAN, INC. | Minor source | No |
| ZTECH | Minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.