EPA Air · by county
Air-emissions sources in Undetermined County, Colorado
- 1,500Facilities
Every stationary source in Undetermined 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 Undetermined 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 Undetermined 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 6
- 2025 — inspections 29
- 2024 — inspections 26
- 2023 — inspections 25
- 2022 — inspections 38
- 2021 — inspections 15
- 2020 — inspections 23
- 2019 — inspections 5
- 2018 — inspections 22
- 2017 — inspections 25
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ANDESITE ROCK CO | Minor source | No |
| ANDESITE ROCK COMPANY | Minor source | No |
| ANDESITE ROCK COMPANY | Minor source | No |
| ANDESITE ROCK COMPANY | Minor source | No |
| ANDESITE ROCK COMPANY | Minor source | No |
| ANTERO RESOURCES - COLOROS A PAD | Minor source | No |
| ARCHULETA COUNTY SHERIFF - INCINERATOR | Minor source | No |
| ARMY U S 96TH REGIONAL SUPPORT COMMAND | Minor source | No |
| ARS INC. CRUSHING - PORT FINTEC CRUSHER | Minor source | No |
| ARS INC. CRUSHING- PORT GENSET - WHISPER | Minor source | No |
| ASI CONST- PORTABLE CONCRETE BATCH PLANT | Minor source | No |
| ASPHALT CONSTRUCTORS | Minor source | No |
| ASPHALT CONSTRUCTORS - PORT. GENSET 3028 | Minor source | No |
| ASPHALT CONSTRUCTORS INC | Minor source | No |
| ASPHALT CONSTRUCTORS INC | Minor source | No |
| ASPHALT CONSTRUCTORS INC | Synthetic minor source | No |
| ASPHALT CONSTRUCTORS INC | Minor source | No |
| ASPHALT CONSTRUCTORS INC | Minor source | No |
| ASPHALT CONSTRUCTORS INC | Minor source | No |
| ASPHALT CONSTRUCTORS INC - UNIT #2007 | Minor source | No |
| ASPHALT CONSTRUCTORS INC - UNIT #2035 | Minor source | No |
| ASPHALT CONSTRUCTORS INC - UNIT #3020 | Minor source | No |
| ASPHALT CONSTRUCTORS INC - UNIT #4001 | Minor source | No |
| ASPHALT CONSTRUCTORS INC. (EL JAY CONE) | Minor source | No |
| ASPHALT CONSTRUCTORS, INC. - PORT HMAP | Synthetic minor source | No |
| ASPHALT PAVING - GENERATOR 8-138 | Minor source | No |
| ASPHALT PAVING CO | Minor source | No |
| ASPHALT PAVING CO - RALSTON - UNIT 6-831 | Minor source | No |
| ASPHALT PAVING CO - RALSTON QUARRY | Minor source | No |
| ASPHALT PAVING CO (CEDAR RAPIDS CRUSHER) | Minor source | No |
| ASPHALT SPEC - PORTABLE SCREEN | Minor source | No |
| ASPHALT SPEC-PORT RECYCLING PLANT | Minor source | No |
| ASPHALT SPECALTIES - CR 29 | Minor source | No |
| ASPHALT SPECIAL - PORT CRUSH-SCR CR-48 | Minor source | No |
| ASPHALT SPECIALTIES - NELSON PORT SCRN | Minor source | No |
| ASPHALT SPECIALTIES - PORT HMA | Synthetic minor source | No |
| ASPHALT SPECIALTIES - PORT SCREEN CR-49 | Minor source | No |
| ASPHALT SPECIALTIES - PORTABLE SCREEN | Minor source | No |
| ASPHALT SPECIALTIES CO - PORT SCREEN | Minor source | No |
| ASPHALT SPECIALTIES CO - PORTABLE SCREEN | Minor source | No |
| ASPHALT SPECIALTIES CO, INC | Minor source | No |
| ASPHALT SPECIALTIES CO, INC | Minor source | No |
| ASPHALT SPECIALTIES CO, INC | Synthetic minor source | No |
| ASPHALT SPECIALTIES CO. INC. | Minor source | No |
| ASPHALT SPECIALTIES CO., INC. | Minor source | No |
| ASPHALT SPECIALTIES CO., INC. PLANT #3 | Minor source | No |
| ASPHALT SPECIALTIES COMPANY, INC. | Minor source | No |
| ASPHALT SPECIALTIES COMPANY, INC. | Minor source | No |
| ASPHALT SPECIALTIES- SCREEN ASTEC 062504 | Minor source | No |
| B & D'S MAINTENANCE, INC | Minor source | No |
| BADGER CONSTRUCTION, INC | Minor source | No |
| BARGATH LLC - PORTABLE ENG-02 | Minor source | No |
| BARGATH LLC - WILLIAMS PORT ENG-01 | Minor source | No |
| BARGATH LLC - WILLIAMS PORT ENG-03 | Minor source | No |
| BENSON BROTHERS AGGREGATES | Minor source | No |
| BERRY PETROLEUM - YGS SITE #16 | Minor source | No |
| BERRY PETROLEUM CO - #01 | Minor source | No |
| BERRY PETROLEUM COM - YGS #11 | Minor source | No |
| BESTWAY CONCRETE CO | Minor source | No |
| BESTWAY CONCRETE- PORTABLE CRUSHER | Minor source | No |
| BITTER CREEK PIPELINES, LLC - SEC 4 DEHY | Minor source | No |
| BLACK CANYON AGG-PORT CRUSH SPREAD #2 | Minor source | No |
| BLACK CANYON AGGREGATE INC | Minor source | No |
| BLACK CANYON AGGREGATES- PORTABLE ICE | Minor source | No |
| BLACK CANYON AGGREGATES-2011 CUMMINS GEN | Minor source | No |
| BPI-WESTMINSTER, LLC(OWNER)/ARCADIS (OP) | Synthetic minor source | No |
| BRANNAN READY MIX | Minor source | No |
| BRANNAN SAND - PORT KPI-JCI P171906 | Minor source | No |
| BRANNAN SAND & GRAVEL | Synthetic minor source | No |
| BRANNAN SAND & GRAVEL | Synthetic minor source | No |
| BRANNAN SAND & GRAVEL - PORT CELLULOSE | Minor source | No |
| BRANNAN SAND & GRAVEL - PORTABLE SCREEN | Minor source | No |
| BRANNAN SAND & GRAVEL - SCREEN | Minor source | No |
| BRANNAN SAND & GRAVEL (HAZEMAG CRUSHER) | Minor source | No |
| BRANNAN SAND AND GRAVEL - PORT SCREEN | Minor source | No |
| BRANNAN SAND AND GRAVEL- MCCLOSKEY 81055 | Minor source | No |
| BRANNAN SAND AND GRAVEL-JCI SCREEN | Minor source | No |
| BRECKENRIDGE MATERIAL CO. | Minor source | No |
| BRONCUCIA SAND & GRAVEL | Minor source | No |
| BT GENERAL CON - PORT GENSET | Minor source | No |
| BUCKLEN EQUIPMENT - PEGUSUS CRUSHER | Minor source | No |
| BUCKLEN EQUIPMENT COMPANY, INC. | Minor source | No |
| BURDICK PAVING CO. (EL JAW 1213 CONE/SC) | Minor source | No |
| BURDICK PAVING COMPANY | Minor source | No |
| BURNCO - PORTABLE CONCRETE (MUSTANG) | Minor source | No |
| BURNCO - PORTABLE RMX PLANT 2 LO-PRO | Minor source | No |
| BURNCO COLORADO -CEDARAPIDS CONE CRUSHER | Minor source | No |
| C & J GRAVEL - PORT. ASPHALT PLANT | Synthetic minor source | No |
| C & J GRAVEL - PORTABLE GENERATOR SET | Minor source | No |
| C & J GRAVEL PROD-PORT CRUSH & SCN #2 | Minor source | No |
| C & J GRAVEL PROD-PORT CRUSH & SCREEN #1 | Minor source | No |
| C & J GRAVEL PRODUCTS - COBRATRACK | Minor source | No |
| C & J GRAVEL PRODUCTS (CEDARAPIDS JAW) | Minor source | No |
| C & J GRAVEL PRODUCTS (EL JAY CONE) | Minor source | No |
| C & J GRAVEL PRODUCTS (EL JAY SCREEN) | Minor source | No |
| C & J GRAVEL PRODUCTS (PIONEER JAW) | Minor source | No |
| C & J GRAVEL PRODUCTS,INC | Minor source | No |
| C & J GRAVEL PRODUCTS,INC - CEDAR RAPIDS | Minor source | No |
| C & J GRAVEL PRODUCTS,INC (HEWITT ROBINS | Minor source | No |
| C&H AGGREGATE - NORTH WELD GRAVEL PIT | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.