EPA Air · stack tests by state, industry and year

Utilities (NAICS 2211): stack tests in California, 2019

• 1,869Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2019 at a California source whose primary industry code is NAICS 2211. A facility filing more than one industry code is counted under the first one on its record.

Utilities (NAICS 2211) in California, other years

• 2026 327
• 2025 2,709
• 2024 10,823
• 2023 2,798
• 2022 4,647
• 2021 6,630
• 2020 5,334
• 2018 2,180
• 2017 3,566

Other industries in California, 2019

• Oil and gas extraction (NAICS 2111) 2,451
• NAICS 9999 290
• Petroleum and coal products manufacturing (NAICS 3241) 284
• Nonmetallic mineral product manufacturing (NAICS 3272) 231
• Waste management and remediation (NAICS 5622) 200
• Food manufacturing (NAICS 3119) 189
• Food manufacturing (NAICS 3114) 170
• Beverage and tobacco manufacturing (NAICS 3121) 137
• Food manufacturing (NAICS 3115) 122
• Executive and legislative government (NAICS 9211) 117
• Utilities (NAICS 2213) 102
• Justice, public order and safety (NAICS 9221) 89
• Pipeline transportation (NAICS 4862) 83
• Plastics and rubber products manufacturing (NAICS 3261) 49
• Animal production (NAICS 1121) 46
• Chemical manufacturing (NAICS 3253) 44
• Food manufacturing (NAICS 3116) 40
• Hospitals (NAICS 6221) 40
• Merchant wholesalers, nondurable goods (NAICS 4247) 30
• Pipeline transportation (NAICS 4861) 27
• Fabricated metal product manufacturing (NAICS 3321) 25
• Fabricated metal product manufacturing (NAICS 3324) 19
• Fabricated metal product manufacturing (NAICS 3323) 18
• Chemical manufacturing (NAICS 3251) 18
• Nonmetallic mineral product manufacturing (NAICS 3273) 17
• Transportation equipment manufacturing (NAICS 3364) 17
• Nonmetallic mineral product manufacturing (NAICS 3279) 15
• Educational services (NAICS 6113) 15
• Waste management and remediation (NAICS 5629) 12
• Administration of environmental programs (NAICS 9241) 11
• Amusement, gambling and recreation (NAICS 7131) 11
• Fabricated metal product manufacturing (NAICS 3328) 9
• Wood product manufacturing (NAICS 3219) 8
• Primary metal manufacturing (NAICS 3312) 7
• Furniture and related product manufacturing (NAICS 3379) 5
• Pipeline transportation (NAICS 4869) 5
• Paper manufacturing (NAICS 3222) 4
• Miscellaneous manufacturing (NAICS 3391) 4
• Ambulatory health care services (NAICS 6216) 4
• Transportation equipment manufacturing (NAICS 3369) 4
• Electrical equipment and appliance manufacturing (NAICS 3351) 4
• Furniture and related product manufacturing (NAICS 3372) 4
• Miscellaneous manufacturing (NAICS 3399) 4
• Primary metal manufacturing (NAICS 3315) 4
• NAICS 4543 3
• Mining support (NAICS 2131) 3
• Food manufacturing (NAICS 3112) 3
• Chemical manufacturing (NAICS 3254) 3

Air-emissions stack tests recorded in California, 2019

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.