EPA Air · by county
Air-emissions sources in Solano County, California
- 31Facilities
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Every stationary source in Solano County, California 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.
Every source’s record in Solano County
Each of the 31 operating major, synthetic minor and minor sources in Solano County, California has a record page: every source in Solano County, A to Z.
By emissions classification in Solano 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.
- Major source 16
- Minor source 15
Inspections in Solano 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.
- 2025 inspections 8
- 2024 inspections 4
- 2023 inspections 15
- 2022 inspections 9
- 2021 inspections 9
- 2020 inspections 9
- 2019 inspections 10
- 2018 inspections 11
- 2017 inspections 5
Violations in Solano County, by year
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.
- 2026 violations 17
- 2025 violations 59
- 2024 violations 25
- 2023 violations 9
- 2022 violations 18
- 2021 violations 24
- 2020 violations 25
- 2019 violations 47
- 2018 violations 6
- 2017 violations 14
Inspections in Solano County, year by year · Violations in Solano County, year by year
Other counties in California
Every county in the state with at least three sources on file.
- San Bernardino County 123
- San Diego County 126
- San Francisco County 36
- San Joaquin County 74
- San Luis Obispo County 16
- San Mateo County 34
- Santa Barbara County 136
- Santa Clara County 51
- Santa Cruz County 5
- Shasta County 22
- Sonoma County 23
- Stanislaus County 40
- Sutter County 8
- Tehama County 11
- Tulare County 19
- Tuolumne County 4
- Undetermined County 32
- Ventura County 41
- Yolo County 16
Facilities
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Solano county, CA. It lists 31 facilities in Solano county and 16 major sources.