EPA Air · by state
Air-emissions sources in Massachusetts
- 4,334Facilities
By emissions classification in Massachusetts
High-priority violations in Massachusetts
159 sources in Massachusetts carry a current high-priority Clean Air Act violation.
Counties in Massachusetts
- Barnstable County 95
- Berkshire County 104
- Bristol County 484
- Dukes County 7
- Essex County 376
- Franklin County 66
- Hampden County 432
- Hampshire County 93
- Middlesex County 932
- Nantucket County 9
- Norfolk County 365
- Plymouth County 256
- Suffolk County 412
- Undetermined County 7
- Worcester County 696
Industries in Massachusetts
Sources are grouped by the first industry code on the facility record.
- Educational services (NAICS 6111) 462
- Real estate (NAICS 5311) 170
- Hospitals (NAICS 6221) 118
- Professional, scientific and technical services (NAICS 5417) 111
- Miscellaneous manufacturing (NAICS 3399) 105
- Personal and laundry services (NAICS 8123) 100
- Fabricated metal product manufacturing (NAICS 3328) 99
- Repair and maintenance (NAICS 8111) 95
- Computer and electronic product manufacturing (NAICS 3344) 91
- Plastics and rubber products manufacturing (NAICS 3261) 88
- Printing and related support (NAICS 3231) 86
- Utilities (NAICS 2211) 79
- Nonmetallic mineral product manufacturing (NAICS 3273) 72
- Waste management and remediation (NAICS 5622) 69
- Educational services (NAICS 6113) 68
- Real estate (NAICS 5312) 65
- Computer and electronic product manufacturing (NAICS 3345) 65
- Petroleum and coal products manufacturing (NAICS 3241) 63
- Chemical manufacturing (NAICS 3254) 62
- Utilities (NAICS 2213) 57
- Administration of housing and community development (NAICS 9251) 56
- Fabricated metal product manufacturing (NAICS 3329) 51
- Telecommunications (NAICS 5172) 47
- Paper manufacturing (NAICS 3222) 44
- Professional, scientific and technical services (NAICS 5413) 43
- Electrical equipment and appliance manufacturing (NAICS 3359) 42
- Chemical manufacturing (NAICS 3255) 42
- Telecommunications (NAICS 5171) 40
- Miscellaneous manufacturing (NAICS 3391) 40
- Mining and quarrying (NAICS 2123) 40
- Waste management and remediation (NAICS 5621) 36
- Chemical manufacturing (NAICS 3252) 34
- Machinery manufacturing (NAICS 3335) 34
- Fabricated metal product manufacturing (NAICS 3327) 33
- Textile mills (NAICS 3133) 33
- Merchant wholesalers, durable goods (NAICS 4239) 33
- Fabricated metal product manufacturing (NAICS 3323) 31
- Furniture and related product manufacturing (NAICS 3371) 30
- Chemical manufacturing (NAICS 3251) 29
- Crop production (NAICS 1114) 27
- Justice, public order and safety (NAICS 9221) 27
- NAICS 9999 27
- Machinery manufacturing (NAICS 3339) 26
- Paper manufacturing (NAICS 3221) 26
- Primary metal manufacturing (NAICS 3315) 26
- Fabricated metal product manufacturing (NAICS 3321) 25
- Publishing industries (NAICS 5111) 25
- Transit and ground passenger transportation (NAICS 4851) 24
- Chemical manufacturing (NAICS 3259) 24
- Food manufacturing (NAICS 3118) 24
- Machinery manufacturing (NAICS 3332) 24
- Utilities (NAICS 2212) 24
- Personal and laundry services (NAICS 8122) 23
- Warehousing and storage (NAICS 4931) 22
- Motor vehicle and parts dealers (NAICS 4411) 22
- Administration of environmental programs (NAICS 9241) 21
- Nonmetallic mineral product manufacturing (NAICS 3279) 21
- Primary metal manufacturing (NAICS 3314) 19
- Ambulatory health care services (NAICS 6215) 18
- Merchant wholesalers, nondurable goods (NAICS 4247) 18
- Wood product manufacturing (NAICS 3219) 18
- Merchant wholesalers, nondurable goods (NAICS 4246) 18
- Accommodation (NAICS 7211) 17
- Plastics and rubber products manufacturing (NAICS 3262) 17
- Furniture and related product manufacturing (NAICS 3372) 17
- Food manufacturing (NAICS 3119) 17
- Computer and electronic product manufacturing (NAICS 3342) 17
- Textile product mills (NAICS 3149) 16
- Machinery manufacturing (NAICS 3333) 16
- Amusement, gambling and recreation (NAICS 7139) 16
- Computer and electronic product manufacturing (NAICS 3341) 16
- Executive and legislative government (NAICS 9211) 16
- Professional, scientific and technical services (NAICS 5419) 15
- Merchant wholesalers, durable goods (NAICS 4238) 14
- Fabricated metal product manufacturing (NAICS 3326) 14
- Merchant wholesalers, durable goods (NAICS 4233) 14
- National security and international affairs (NAICS 9281) 14
- Transportation equipment manufacturing (NAICS 3364) 13
- Pipeline transportation (NAICS 4862) 13
- NAICS 4521 13
- Electrical equipment and appliance manufacturing (NAICS 3353) 12
- Transportation equipment manufacturing (NAICS 3366) 12
- Repair and maintenance (NAICS 8114) 12
- Personal and laundry services (NAICS 8129) 11
- Educational services (NAICS 6112) 11
- Merchant wholesalers, nondurable goods (NAICS 4244) 11
- Waste management and remediation (NAICS 5629) 10
- Food manufacturing (NAICS 3114) 10
- Securities and investments (NAICS 5239) 10
- Chemical manufacturing (NAICS 3256) 10
- Hospitals (NAICS 6223) 10
- Fabricated metal product manufacturing (NAICS 3324) 10
- Transit and ground passenger transportation (NAICS 4855) 10
- Textile mills (NAICS 3132) 10
- Merchant wholesalers, durable goods (NAICS 4231) 9
- Merchant wholesalers, durable goods (NAICS 4234) 9
- Specialty trade contractors (NAICS 2382) 9
- Fabricated metal product manufacturing (NAICS 3322) 9
- Electrical equipment and appliance manufacturing (NAICS 3351) 9
- Transportation equipment manufacturing (NAICS 3363) 9
- Food manufacturing (NAICS 3115) 9
- NAICS 4911 9
- Nonmetallic mineral product manufacturing (NAICS 3272) 9
- Professional, scientific and technical services (NAICS 5416) 8
- Real estate (NAICS 5313) 8
- Nursing and residential care facilities (NAICS 6233) 8
- Machinery manufacturing (NAICS 3334) 8
- Support activities for transportation (NAICS 4881) 8
- Primary metal manufacturing (NAICS 3312) 8
- Machinery manufacturing (NAICS 3336) 8
- Heavy and civil engineering construction (NAICS 2373) 7
- Apparel manufacturing (NAICS 3152) 7
- Heavy and civil engineering construction (NAICS 2371) 7
- Hospitals (NAICS 6222) 7
- Insurance carriers and related activities (NAICS 5241) 7
- Educational services (NAICS 6115) 7
- Nonmetallic mineral product manufacturing (NAICS 3271) 7
- Religious, grantmaking and similar organizations (NAICS 8131) 7
- Specialty trade contractors (NAICS 2383) 7
- Credit intermediation (NAICS 5221) 7
- Ambulatory health care services (NAICS 6211) 6
- Museums and historical sites (NAICS 7121) 6
- Administrative and support services (NAICS 5611) 6
- Transit and ground passenger transportation (NAICS 4854) 6
- Merchant wholesalers, nondurable goods (NAICS 4242) 6
- Animal production (NAICS 1121) 6
- Repair and maintenance (NAICS 8113) 6
- Professional, scientific and technical services (NAICS 5414) 6
- Fabricated metal product manufacturing (NAICS 3325) 6
- Management of companies (NAICS 5511) 6
- Beverage and tobacco manufacturing (NAICS 3121) 6
- Specialty trade contractors (NAICS 2389) 5
- Administrative and support services (NAICS 5614) 5
- Food manufacturing (NAICS 3117) 5
- Merchant wholesalers, durable goods (NAICS 4235) 5
- Data processing and hosting (NAICS 5182) 5
- Professional, scientific and technical services (NAICS 5415) 5
- Social assistance (NAICS 6241) 5
- Administrative and support services (NAICS 5619) 5
- Merchant wholesalers, durable goods (NAICS 4236) 5
- Merchant wholesalers, nondurable goods (NAICS 4249) 5
- Air transportation (NAICS 4812) 5
- Wood product manufacturing (NAICS 3211) 5
- Ambulatory health care services (NAICS 6214) 4
- Transportation equipment manufacturing (NAICS 3369) 4
- Motor vehicle and parts dealers (NAICS 4412) 4
- Merchant wholesalers, nondurable goods (NAICS 4243) 4
- Building construction (NAICS 2362) 4
- Food manufacturing (NAICS 3113) 4
- Ambulatory health care services (NAICS 6213) 4
- Insurance carriers and related activities (NAICS 5242) 4
- Leather and allied product manufacturing (NAICS 3169) 4
- Building material and garden supply stores (NAICS 4441) 4
- Food manufacturing (NAICS 3116) 4
- Administrative and support services (NAICS 5612) 4
- Social assistance (NAICS 6243) 4
- Food manufacturing (NAICS 3112) 4
- Religious, grantmaking and similar organizations (NAICS 8139) 3
- Educational services (NAICS 6116) 3
- Leather and allied product manufacturing (NAICS 3162) 3
- Motor vehicle and parts dealers (NAICS 4413) 3
- Administration of economic programs (NAICS 9261) 3
- Electrical equipment and appliance manufacturing (NAICS 3352) 3
- NAICS 4539 3
- Building construction (NAICS 2361) 3
- Truck transportation (NAICS 4841) 3
- Leather and allied product manufacturing (NAICS 3161) 3
- Performing arts and spectator sports (NAICS 7113) 3
- Transportation equipment manufacturing (NAICS 3362) 3
- Primary metal manufacturing (NAICS 3313) 3
- Support activities for transportation (NAICS 4885) 3
Air inspections in Massachusetts, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MERRIMAC PAPER COMPANY | Minor source | No |
| MERRIMACK COLLEGE | Synthetic minor source | No |
| MERRIMACK MUTUAL FIRE INSURANCE COMPANY | Minor source | No |
| MESTEK INC SOUTH BLDG | No | |
| MESTEK INCORPORATED | Minor source | No |
| METALOGIC INDUSTRIES | No | |
| METALOR TECHNOLOGIES USA | Synthetic minor source | No |
| METALOR TECHNOLOGIES USA | Synthetic minor source | No |
| METFAB ENGINEERING | Synthetic minor source | No |
| METRIGRAPHICS LLC | Minor source | No |
| METROPOLITAN LIFE INSURANCE COMPANY | Minor source | No |
| METROPOLITAN LINEN SERVICE | Minor source | No |
| METROWEST MEDICAL CENTER | Synthetic minor source | No |
| METSO AUTOMATION USA INC | Synthetic minor source | No |
| MEXICHEM SPECIALTY COMPOUNDS INC | Synthetic minor source | No |
| MH PARKS CO | Minor source | No |
| MICHAEL E SMITH MIDDLE SCHOOL | Minor source | No |
| MICHAEL J. CONNELLY & SONS | Minor source | No |
| MICHAEL J. CONNELLY & SONS | Minor source | No |
| MICHAEL J. CONNELLY & SONS | Minor source | No |
| MICHAEL J. CONNELLY & SONS | Minor source | No |
| MICRO ABRASIVES CORP | No | |
| MICRO MECH, INC | Minor source | No |
| MICROBIOTIX INC | Minor source | No |
| MICROGROUP INC | Minor source | No |
| MICROMETAL TECHNOLOGIES | No | |
| MICRON MEDICAL PRODUCTS | Synthetic minor source | No |
| MICRON PLASTICS INC | No | |
| MICROSEMI FREQUENCY AND TIME DIVISION | Yes | |
| MICROSEMI MICROWAVE PRODUCTS | Minor source | No |
| MICROWAVE DEVELOPMENT | Minor source | No |
| MID CITY SCRAP | Minor source | Yes |
| MID TOWN MALL | Minor source | No |
| MIDDLEBORO RECYCLING | Minor source | No |
| MIDDLESEX COMMUNITY COLLEGE | No | |
| MIDDLESEX HOUSE OF CORRECTION | Synthetic minor source | No |
| MIDDLESEX RESEARCH MANUFACTURING CO, INC | Synthetic minor source | No |
| MIDWAY MOTORS | Minor source | No |
| MIJA INDUSTRIES | Minor source | No |
| MILDRED AITKENS ELEMENTARY SCHOOL | Minor source | No |
| MILE TREE | Minor source | No |
| MILFORD HIGH SCHOOL | Synthetic minor source | No |
| MILFORD POWER LP | Major source | No |
| MILFORD REGIONAL MEDICAL CENTER INC | Synthetic minor source | No |
| MILL AND MAIN | Synthetic minor source | No |
| MILL AT HOLYOKE THE | Minor source | No |
| MILLBROOK DISTRIBUTORS | Minor source | No |
| MILLDAM SQUARE CONDOMINIUMS INC | Minor source | No |
| MILLENNIUM PHARMACEUTICALS | Minor source | No |
| MILLENNIUM PHARMACEUTICALS INC | Synthetic minor source | No |
| MILLENNIUM PLACE | Synthetic minor source | No |
| MILLENNIUM POWER PARTNERS LP | Major source | No |
| MILLENNIUM PRESS | Minor source | Yes |
| MILLIPORE CORPORATION | Minor source | No |
| MILTON CAT | Minor source | No |
| MILTON CAT | Synthetic minor source | No |
| MILTON HIGH SCHOOL | Minor source | No |
| MINI SYSTEMS INC | Minor source | No |
| MINI SYSTEMS INC | Minor source | No |
| MINI SYSTEMS INC | Minor source | No |
| MINI SYSTEMS INCORPORATED | Minor source | No |
| MINNECHAUG HIGH | Minor source | No |
| MINOT FORREST SCHOOL | Minor source | No |
| MINUTEMAN TRUCKS, WALPOLE | No | |
| MISS HALLS SCHOOL | Minor source | No |
| MISSION MAIN DEVELOP | Minor source | No |
| MIT HAYSTACK OBSERVATORY | Minor source | No |
| MIT LINCOLN LABORATORY | Synthetic minor source | Yes |
| MITCHELL MACHINE INC | No | |
| MITRE CORPORATION | Synthetic minor source | No |
| MITTINAGUE SCHOOL | Minor source | No |
| MJ KUSS MIDDLE SCHOOL | Minor source | No |
| MKS INSTRUMENTS | Minor source | No |
| MKS INSTRUMENTS | No | |
| MKS INSTRUMENTS INC | Synthetic minor source | No |
| MM TAUNTON ENERGY | Major source | No |
| MODERN CONTINENTAL | Minor source | No |
| MODERN CONTRACT FURNITURE | Minor source | No |
| MODERN DISPERSION | Minor source | No |
| MODERN MOLD & TOOL INC | Minor source | No |
| MODERNA THERAPEUTICS INC | No | |
| MODU FORM INC | Synthetic minor source | No |
| MOHAWK FINE PAPERS | No | |
| MOLD TECH NORTHEAST | Minor source | No |
| MOMENTA PHARMACEUTICALS | Minor source | No |
| MONARCH PLACE | Minor source | No |
| MONOGRAM GOURMET FOODS | No | |
| MONOGRAM GOURMET WHOLESALE BAKERY, AKA WHOLE FOODS MARKETS BAKE HOUSE | Synthetic minor source | No |
| MONSON COMPANIES INC | Minor source | No |
| MONSON JUNIOR & SENIOR HIGH SCHOOL | Minor source | No |
| MONTAGUE MACHINE COMPANY | Minor source | Yes |
| MONTROSE FOUNDATION | Minor source | No |
| MOONEY CLEANERS | Minor source | No |
| MORGAN ADVANCED CERAMICS INC | Minor source | No |
| MORGAN CONSTRUCTION | Minor source | No |
| MORGAN MEMORIAL GOODWILL INDUSTRIES | Minor source | No |
| MORGAN SERVICES INC | Minor source | No |
| MORINI PERFORMANCE COATINGS | Minor source | No |
| MORNINGSIDE SCHOOL | Minor source | No |
| MORRISON BERKSHIRE | Minor source | Yes |
Figures from EPA’s ICIS-AIR download.