EPA Air · by county
Air-emissions sources in Hillsborough County, New Hampshire
- 336Facilities
Every stationary source in Hillsborough 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 Hillsborough 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 Hillsborough 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 14
- 2025 — inspections 34
- 2024 — inspections 18
- 2023 — inspections 20
- 2022 — inspections 21
- 2021 — inspections 29
- 2020 — inspections 24
- 2019 — inspections 31
- 2018 — inspections 21
- 2017 — inspections 25
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MERRIMACK, TOWN OF - WWTF | Minor source | No |
| MICROMATICS MACHINE COMPANY INC | Minor source | No |
| MILFORD, TOWN OF WASTEWATER TREATMENT FACILITY | Minor source | No |
| MILFORD,TOWN OF - FIRE STATION | Minor source | No |
| MINIMALLY INVASIVE SURGERY CENTER OF NE, LLC | Minor source | No |
| MOLDED RUBBER AND PLASTICS | Minor source | No |
| MONADNOCK PAPER MILLS, INC. | Major source | No |
| MORGAN ADVANCED CERAMICS | Minor source | No |
| MOUNT CARMEL REHABILITATION AND NURSING CENTER | Minor source | No |
| MT WILLIAM INC | Minor source | No |
| NANOCOMP TECHNOLOGIES, INC. | Synthetic minor source | No |
| NASHUA 1 | Minor source | No |
| NASHUA FOUNDRIES, INC. | Minor source | No |
| NASHUA OFFICE PARK | Minor source | No |
| NASHUA TECHNOLOGY PARK | Minor source | No |
| NASHUA, CITY OF - POLICE DEPARTMENT | Minor source | No |
| NASHUA, CITY OF - WASTEWATER TREATMENT FACILITY | Synthetic minor source | No |
| NEVILLE MATERIALS LLC | Minor source | No |
| NEW BOSTON SPACE FORCE STATION | Minor source | No |
| NEW ENGLAND BUSINESS | Minor source | No |
| NEW HAMPSHIRE BALL BEARINGS, INC. | Minor source | No |
| NEW HAMPSHIRE STAMPING CO., INC. | Minor source | No |
| NEXTERA RENEWABLE FUELS, LLC - FOUR HILLS LANDFILL | Major source | No |
| NH COMMUNITY TECH COLLEGE | Minor source | No |
| NH DAS HILLSBOROUGH COUNTY COURTHOUSE | Minor source | No |
| NH DAS HILLSBOROUGH COUNTY COURTHOUSE NORTH | Minor source | No |
| NH DEPT. OF CORRECTIONS/ NH STATE PRISON FOR WOMEN | Minor source | No |
| NH DES-WMD, SYLVESTER HAZARDOUS WASTE DUMP SITE | Minor source | No |
| NH DHHS JUVENILE JUSTICE SERVICES | Minor source | No |
| NH DMA&VS - MANCHESTER READINESS CENTER | Minor source | No |
| NH LIQUOR COMMISSION - STORE 69 | Minor source | No |
| NORTH COUNTRY WIRE | Minor source | No |
| NPC INC | Minor source | No |
| NYLON CORPORATION OF AMERICA | Minor source | No |
| OAK DESIGNS | Synthetic minor source | No |
| ONE DOW COURT INC | Minor source | No |
| OSRAM SYLVANIA INC. | Minor source | No |
| OTECH SPRAY CORP. | Minor source | No |
| P M C CORP | Minor source | No |
| PAUL'S CLEANERS | Minor source | No |
| PELHAM TRANSFER & RECYCLING FACILITY | Minor source | No |
| PENNICHUCK WATER WORKS | Minor source | No |
| PEP DIRECT INC | Minor source | No |
| PERDIX CORPORATION | Minor source | No |
| PETERBORO BASKET COMPANY | Synthetic minor source | No |
| PHANEUF FUNERAL HOMES & CREMATORIUM | Minor source | No |
| PHEASANT LANE MALL | Minor source | No |
| PHEASANT WOOD CENTER | Minor source | No |
| PIKE INDUSTRIES INC - WILTON S & G | Minor source | No |
| PILGRIM FOODS | Minor source | No |
| PRECISION BALANCING & MACHINE CORP. | Minor source | No |
| PRESENTATION OF MARY ACADEMY, INC. | Minor source | No |
| PRESENTATION OF MARY, INC. | Minor source | No |
| PRETIUM PACKAGING | Minor source | No |
| PRIME ALTERNATIVE TREATMENT CENTERS | Minor source | No |
| PRUDENTIAL OVERALL SUPPLY - NASHUA | Minor source | No |
| PSNH D/B/A EVERSOURCE ENERGY - MANCHESTER CALL CENTER | Minor source | No |
| PSNH D/B/A EVERSOURCE ENERGY - MANCHESTER ELM ST | Minor source | No |
| PSNH D/B/A EVERSOURCE ENERGY - MANCHESTER ENERGY PARK | Minor source | No |
| PSNH D/B/A EVERSOURCE ENERGY - MANCHESTER W PENNACOOK ST | Minor source | No |
| PSNH D/B/A EVERSOURCE ENERGY-NASHUA | Minor source | No |
| PURITAN BACKROOM RESTAURANT | Minor source | No |
| PYC PACKAGING COMPANY | Minor source | No |
| RAYTHEON | Minor source | No |
| RESIN SYSTEMS CORPORATION | Minor source | No |
| RIDGEWOOD CENTER, GENESIS HEALTHCARE | Minor source | No |
| RIVERVIEW MILL | Minor source | No |
| RIVERWOODS MANCHESTER | Minor source | No |
| RIVIER COLLEGE | Minor source | No |
| SAFRAN DEFENSE & SPACE, INC. | Minor source | No |
| SAINT ANSELM COLLEGE | Minor source | No |
| SAU #19 MOUNTAIN VIEW MIDDLE SCHOOL | Minor source | No |
| SAU #25 BEDFORD MID/HIGH SCHOOL | Minor source | No |
| SAU #37 CENTRAL HIGH SCHOOL | Minor source | No |
| SAU #37 HIGHLAND-GOFFE'S FALLS ELEM. S | Minor source | No |
| SAU #37 HILLSIDE MIDDLE SCHOOL | Minor source | No |
| SAU #37 MCDONOUGH ELEMENTARY SCHOOL | Minor source | No |
| SAU #37 MEMORIAL HIGH SCHOOL | Minor source | No |
| SAU #37 PARKER-VARNEY ELEM. SCHOOL | Minor source | No |
| SAU #37 SOUTHSIDE MIDDLE SCHOOL | Minor source | No |
| SAU #37 WEST HIGH SCHOOL | Minor source | No |
| SAU #42 LEDGE ST SCHOOL | Minor source | No |
| SAU #42 NASHUA HIGH SCHOOL NORTH | Synthetic minor source | No |
| SAU #42 NASHUA HIGH SCHOOL SOUTH | Synthetic minor source | No |
| SAU #87 MASCENIC REGIONAL HIGH SCHOOL | Minor source | No |
| SHAW'S SUPERMARKET | Minor source | No |
| SHELL OIL COMPANY | Minor source | No |
| SKILLSOFT CORPORATION | Minor source | No |
| SNCR DBA SUNCOR CORP | Minor source | No |
| SOUHEGAN WOOD PRODUCTS, INC. | Minor source | No |
| SOUTHERN NEW HAMPSHIRE MEDICAL CENTER | Synthetic minor source | No |
| SOUTHERN NEW HAMPSHIRE MEDICAL CENTER | Minor source | No |
| SOUTHERN NEW HAMPSHIRE MEDICAL CENTER | Minor source | No |
| SOUTHERN NEW HAMPSHIRE UNIVERSITY | Minor source | No |
| SOUTHERN NH UNIVERSITY LANGER PLACE PARKING FACILITY | Minor source | No |
| SPARTON TECHNOLOGY CORPORATION | Minor source | No |
| SPEAR-NEW HAMPSHIRE, INC. | Minor source | No |
| SPECIAL HERMETIC PRODUCTS, INC. | Minor source | No |
| SPRAYING SYSTEMS CO., INC. | Minor source | No |
| ST. JOSEPH HOSPITAL OF NASHUA, N.H. | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.