EPA Air · by county
Air-emissions sources in Boulder County, Colorado
- 321Facilities
Every stationary source in Boulder County, Colorado 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 Boulder 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 Boulder 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 7
- 2025 — inspections 30
- 2024 — inspections 33
- 2023 — inspections 40
- 2022 — inspections 43
- 2021 — inspections 57
- 2020 — inspections 46
- 2019 — inspections 49
- 2018 — inspections 37
- 2017 — inspections 41
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| CST METRO LLC DBA CORNER STORE #4057 | Minor source | No |
| CST METRO LLC DBA CORNER STORE #4058 | Minor source | No |
| CST METRO LLC DBA CORNER STORE #635 | Minor source | No |
| CUSTOM MICROWAVE-AEROSPACE MICROWV EQPT | Minor source | No |
| CWB HOLDINGS - CHARLOTTE'S WEB | Minor source | No |
| D&K PRINTING - 5637 ARAPAHOE | Minor source | No |
| D&K PRINTING INC | Minor source | No |
| DAKOTA RIDGE AVIATION INC | Minor source | No |
| DARRELL HOWE MORTUARY | Minor source | No |
| DEPENDABLE CLNRS NO 25 | Minor source | No |
| DHARMACON, INC. - 2650 CRESCENT DR | Minor source | No |
| DILLON COMPANIES - KING SOOPERS #033 | Minor source | No |
| DILLON COMPANIES - KING SOOPERS #061 | Minor source | No |
| DILLON COMPANIES, LLC- KING SOOPERS #102 | Minor source | No |
| DILLON COMPANIES, LLC- KING SOOPERS #135 | Minor source | No |
| DILLON COS - KING SOOPERS FUEL FAC #013 | Minor source | No |
| DILLON COS - KING SOOPERS FUEL FAC #042 | Minor source | No |
| DILLON COS - KING SOOPERS FUEL FAC #080 | Minor source | No |
| DOVER INDUSTRIES INC (WAS DIETERICH) | Minor source | No |
| EAST/WEST MINING CORP INC | Minor source | No |
| EIGHT DAYS A WEEK COPY | Minor source | No |
| EL DORADO CORNER MARKETS - FOOTHILLS PKW | Minor source | No |
| ENCANA - BAILEY 11-12 | Minor source | No |
| EPAC LLC - BOULDER PLANT | Minor source | No |
| ESTEY PRINTING | Minor source | No |
| EVERGREEN OIL CO - #017 CENTAUR FOOD & F | Minor source | No |
| EXCELITAS TECHNOLOGIES - AIRPORT BLVD | Minor source | No |
| EXTRACITON O&G - ARAPAHOE #2 | Minor source | No |
| EXTRACTION - MACHEBEUF 1-12, MD12-9 | Minor source | No |
| EXTRACTION O&G - ALMQUIST 2-35 | Minor source | No |
| EXTRACTION O&G - ALMQUIST MB 34-10, 15 | Minor source | No |
| EXTRACTION O&G - ANDERSON MB 33-1,2,8J | Minor source | No |
| EXTRACTION O&G - ANDERSON MB 33-3J,5,6 | Minor source | No |
| EXTRACTION O&G - ARAPAHOE 1-36,MC 36-3,5 | Minor source | No |
| EXTRACTION O&G - ARAPAHOE 3-36 | Minor source | No |
| EXTRACTION O&G - BECKY 3,4-36,36-11,12 | Minor source | No |
| EXTRACTION O&G - BECKY 6-36 | Minor source | No |
| EXTRACTION O&G - BRERETON 14-10 | Minor source | No |
| EXTRACTION O&G - BRERETON 14-9, 15, 16 | Minor source | No |
| EXTRACTION O&G - BRERETON MD 14-1, 8J | Minor source | No |
| EXTRACTION O&G - CATTEL #1-10 | Minor source | No |
| EXTRACTION O&G - CULVER MC 21-3, 4X | Minor source | No |
| EXTRACTION O&G - DAWSON 2-10 | Minor source | No |
| EXTRACTION O&G - DAWSON 3-15 | Minor source | No |
| EXTRACTION O&G - DONLEY 2-36 | Minor source | No |
| EXTRACTION O&G - ERIE 1-24 | Minor source | No |
| EXTRACTION O&G - ERTL 1, 3-17, 5-18 PROD | Minor source | No |
| EXTRACTION O&G - GOODING 1-36 | Minor source | No |
| EXTRACTION O&G - GRAHAM 22-2 | Minor source | No |
| EXTRACTION O&G - HEWITT 1-22 | Minor source | No |
| EXTRACTION O&G - HEWITT 2-22 | Minor source | No |
| EXTRACTION O&G - HEWITT MD 22-3D | Minor source | No |
| EXTRACTION O&G - HODGSON 1-21 | Minor source | No |
| EXTRACTION O&G - HODGSON 19-1 | Minor source | No |
| EXTRACTION O&G - HOLDERBY #1 | Minor source | No |
| EXTRACTION O&G - HOLDERBY #2, MC27-3, 5 | Minor source | No |
| EXTRACTION O&G - JOSEPHINE ROCHE 1-53 | Minor source | No |
| EXTRACTION O&G - KANE #20-10 | Minor source | No |
| EXTRACTION O&G - LEYNER 15-1 | Minor source | No |
| EXTRACTION O&G - LILY GREEN 12-3J | Minor source | No |
| EXTRACTION O&G - LYNCH #1, MC6-9 | Minor source | No |
| EXTRACTION O&G - MACY #1,2 | Minor source | No |
| EXTRACTION O&G - MARY MILLER 1,2,3,4-35 | Minor source | No |
| EXTRACTION O&G - MCCARTY 1-34 | Minor source | No |
| EXTRACTION O&G - MEMCO MC 08-03, 04 | Minor source | No |
| EXTRACTION O&G - MORRIS 1-27 | Minor source | No |
| EXTRACTION O&G - MORRIS 27-2,7,8 | Minor source | No |
| EXTRACTION O&G - NEUMANN 1-15 | Minor source | No |
| EXTRACTION O&G - OSBORNE #1 | Minor source | No |
| EXTRACTION O&G - PACIFIC 1-14 | Minor source | No |
| EXTRACTION O&G - QUINBY MD12-1,2,3,6,8 | Minor source | No |
| EXTRACTION O&G - ROBERTS #1-23 | Minor source | No |
| EXTRACTION O&G - ROBERTS #1-28 | Minor source | No |
| EXTRACTION O&G - SIMPSON MD 1-2, 2, 7 | Minor source | No |
| EXTRACTION O&G - SWANSON 1-14 | Minor source | No |
| EXTRACTION O&G - THRONDSON #2 (MC2-11) | Minor source | No |
| EXTRACTION O&G - THRONDSON 1, 3-2, MC2-4 | Minor source | No |
| EXTRACTION O&G - TWIN CORNERS #1, MC4-3 | Minor source | No |
| EXTRACTION O&G - TYLER 1-4 | Minor source | No |
| EXTRACTION O&G - VAN THUYNE 1-35X | Minor source | No |
| EXTRACTION O&G - VON REYN #1, MC9-3 | Minor source | No |
| EXTRACTION O&G - WALKER 1-28 | Minor source | No |
| EXTRACTION O&G - WANEKA #1, 2, 3, 4 | Minor source | No |
| EXTRACTION O&G - WISE 1X-14 | Minor source | No |
| EXTRACTION O&G - YOUNG 2-26, MC26-05D | Minor source | No |
| EXTRACTION O&G - YOUNG 4-31 | Minor source | No |
| EXTRACTION O&G - YOUNG 5-23, MC23-14D | Minor source | No |
| EXTRACTION O&G - YOUNG MC23-11D, 12D | Minor source | No |
| EXTRACTION O&G - YOUNG MC26-03D, 04D.... | Minor source | No |
| EXTRACTION OIL & GAS - ALMQUIST 1-35 | Minor source | No |
| EXTRACTION OIL & GAS - CULVER MC #5-17 | Minor source | No |
| EXTRACTION OIL & GAS - CULVER MC 9-14 | Minor source | No |
| EXTRACTION OIL & GAS - CULVER MC16-2,3,4 | Minor source | No |
| EXTRACTION OIL & GAS - DODD 1-33, MB33-9 | Minor source | No |
| EXTRACTION OIL & GAS - DONLEY 1-36 | Minor source | No |
| EXTRACTION OIL & GAS - ERTL 2,4-18 | Minor source | No |
| EXTRACTION OIL & GAS - FCR MD 1-1, 2,8-J | Minor source | No |
| EXTRACTION OIL & GAS - FCR MD 1-9, 10,15 | Minor source | No |
| EXTRACTION OIL & GAS - GARCIA MD 1-12 | Minor source | No |
| EXTRACTION OIL & GAS - KILKER 1-15 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.