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 |
|---|---|---|
| OLDCASTLE SW GROUP - CUGNINI PIT | Synthetic minor source | No |
| OLDCASTLE SW GROUP - HMA PLANT | Synthetic minor source | No |
| OLDCASTLE SW GROUP - LIPPMAN CRUSHER | Minor source | No |
| OLDCASTLE SW GROUP - LIPPMANN CRUSHER/SC | Minor source | No |
| OLDCASTLE SW GROUP - MQ DCA-150SSK | Minor source | No |
| OLDCASTLE SW GROUP - PORT MESABI SCREEN | Minor source | No |
| OLDCASTLE SW GROUP - PORTABLE CRUSHER | Minor source | No |
| OLDCASTLE SW GROUP - PORTABLE ENGINE | Minor source | No |
| OLDCASTLE SW GROUP - PORTABLE SCREEN | Minor source | No |
| OLDCASTLE SW GROUP - SCREEN PLANT KP3 | Minor source | No |
| OLDCASTLE SW GROUP -PORTABLE HMA PLANT | Synthetic minor source | No |
| OLDCASTLE SW GROUP DBA UNITED CO - PORT | Synthetic minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP DBA UNITED COMPANIES | Minor source | No |
| OLDCASTLE SW GROUP INC. DBA FOUR CORNERS | Synthetic minor source | No |
| OLDCASTLE SW GROUP INC. DBA FOUR CORNERS | Minor source | No |
| OLDCASTLE SW GROUP INC. DBA FOUR CORNERS | Synthetic minor source | No |
| OLDCASTLE SW GROUP- PORT CONCRETE PLANT | Minor source | No |
| OLDCASTLE SW GROUP- PORTABLE CRUSHER | Minor source | No |
| OLDCASTLE SW GROUP-SWGSP#2 | Minor source | No |
| OLDCASTLE SW GROUP, INC. DBA B&B EXCAVAT | Minor source | No |
| OLDCASTLE SW GROUP, INC. DBA B&B EXCAVAT | Minor source | No |
| OLDCASTLE SW GROUP, INC. DBA UNITED COMP | Minor source | No |
| OLDCASTLE- UNITED COMPANIES - CRUSHER #4 | Minor source | No |
| OTERO COUNTY | Minor source | No |
| OVERLAND PASS - WATTENBERG METER | Minor source | No |
| OVERLAND PASS - YUMA STATION | Minor source | No |
| OVERLOOK MINE SAND AND GRAVEL | Minor source | No |
| OVERLOOK MINE SAND AND GRAVEL | Minor source | No |
| OVERLOOK MINE SAND AND GRAVEL | Minor source | No |
| OVERLOOK MINE SAND AND GRAVEL | Minor source | No |
| OXFORD RECYCLING - PORTABLE TUB GRINDER | Minor source | No |
| OXY USA WTP LP | Minor source | No |
| OXY USA WTP LP - GODWIN PUMP HL130M | Minor source | No |
| P.W. FEENSTRA - PORT. CONC. BATCH PLNT 2 | Minor source | No |
| PARK CORP | Minor source | No |
| PARKERSON CONST - PORTABLE CRUSHER/ GEN | Minor source | No |
| PARKERSON CONST - PORTABLE CRUSHER/SCREE | Minor source | No |
| PARKERSON CONSTRUCTION (2236 JAW CR) | Minor source | No |
| PARKERSON CONSTRUCTION INC - PORT SCREEN | Minor source | No |
| PATINA O&G LILEY 1 | Minor source | No |
| PDC ENERGY - PICEANCE CENTRALIZD STF | Major source | No |
| PDC ENERGY - PORTABLE COMPRESSCO ENGINE | Minor source | No |
| PELINO INC. | Minor source | No |
| PELINO INC. - PORT. JCI CRUSHER | Minor source | No |
| PETE LIEN - PORTABLE SCREEN | Synthetic minor source | No |
| PETE LIEN & SONS | Minor source | No |
| PETE LIEN & SONS - GENERATOR CAT 3406B | Synthetic minor source | No |
| PETE LIEN & SONS - PORT MCP BATCH PLANT | Minor source | No |
| PETE LIEN & SONS - PORTABLE CRUSHER | Minor source | No |
| PETE LIEN & SONS - PORTABLE JCI SCREEN | Minor source | No |
| PETE LIEN & SONS - PORTABLE SCREEN | Minor source | No |
| PETE LIEN & SONS - PORTABLE SCREEN | Minor source | No |
| PETE LIEN & SONS - PORTABLE WASH PLANT | Minor source | No |
| PETE LIEN & SONS - ST BARBARA READY MIX | Minor source | No |
| PETE LIEN & SONS DBA COLORADO LIEN CO | Minor source | No |
| PETE LIEN & SONS DBA TRANS-COLO CONCRETE | Minor source | No |
| PETE LIEN & SONS INC | Minor source | No |
| PETE LIEN & SONS INC - PORTABLE SCREEN | Minor source | No |
| PETE LIEN & SONS INC - PORTABLE SCREEN | Minor source | No |
| PETE LIEN & SONS-PORTABLE SCREEN | Minor source | No |
| PETE LIEN & SONS, INC. DBA COLORADO LIEN | Minor source | No |
| PETE LIEN & SONS, INC. PORTABLE | Minor source | No |
| PETE LIEN AND SONS INC | Synthetic minor source | No |
| PETROLEUM DEVELOPMENT - IL: GARDEN GULCH | Minor source | No |
| PHILLIPS PIPE LINE CO | Synthetic minor source | No |
| PINE BLUFFS - MCCLOSKEY 36X100 CONVEYOR | Minor source | No |
| PINE BLUFFS - MCCLOSKEY S190 SCREEN | Minor source | No |
| PINE BLUFFS - PORT METSO LT106 CRUSHER | Minor source | No |
| PINE BLUFFS GRAVEL & EXCAVATING | Minor source | No |
| PIONEER - PORTABLE ENGINE, S/N 298272 | Minor source | No |
| PIONEER - PORTABLE ENGINE, S/N 298273 | Minor source | No |
| PIONEER - PORTABLE ENGINE, SN 298271 | Minor source | No |
| PIONEER SAND CO INC | Minor source | No |
| PIONEER SAND CO INC | Synthetic minor source | No |
| PIONEER SAND CO INC | Minor source | No |
| PLAINS MARKETING LP - BUCK PEAK STATION | Minor source | No |
| POMA EXCAVATING & TRUCKING INC | Minor source | No |
| POMA EXCAVATING & TRUCKING INC | Minor source | No |
| POOLE CHEMICAL CO | Minor source | No |
| PORT-A-POUR-PORTABLE CONCRETE PLANT | Minor source | No |
| PORTABLE CRUSHING - PORT SCREEN -SC-03 | Minor source | No |
| PORTABLE CRUSHING SERVICES - SCREEN | Minor source | No |
| POWER EQUIPMENT COMPANY | Minor source | No |
| PRECISION EXCAVATING, INC. - EL JAY 1145 | Minor source | No |
| PRECISION EXCAVATING, INC. (CAT GENSET) | Minor source | No |
| PRECISION EXCAVATING, INC. (EL JAY CONE) | Minor source | No |
| PRECISION EXCAVATING, INC. (SIMPL SCRN) | Minor source | No |
| PRECISION PAVING & CONSTRUCTION | Minor source | No |
| PREMIER PAVING - METSO CRUSHER | Minor source | No |
| PREMIER PAVING INC. HB: 690 W 62ND | Minor source | No |
| PSC INDUSTRIAL -PORTABLE VAPOR COMBUSTOR | Synthetic minor source | No |
| R ROCK YARD, INC. | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.