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 |
|---|---|---|
| RAPTOR MATERIALS - PORTABLE CRUSHER/SCRE | Minor source | No |
| RAPTOR MATERIALS - PORTABLE GENERATOR | Minor source | No |
| RAPTOR MATERIALS - PORTABLE SCREEN | Minor source | No |
| REACTOR INC | Minor source | No |
| READY MIXED - QUINCY | Minor source | No |
| READY MIXED CONCRETE - PLANT 96 PORTABLE | Minor source | No |
| READY MIXED CONCRETE - RMCC PORTABLE | Minor source | No |
| READY MIXED CONCRETE CO - DEL CAMINO POR | Minor source | No |
| REAMS CONST CO | Minor source | No |
| RECYCLED AGGREGATE PROD - PORT SCREEN | Minor source | No |
| RECYCLED MATERIALS - PORT SCREEN | Minor source | No |
| RECYCLED MATERIALS COMPANY INC | Minor source | No |
| RECYCLED MATERIALS COMPANY INC | Minor source | No |
| RECYCLED MATERIALS COMPANY INC | Minor source | No |
| RECYCLED MATERIALS COMPANY INC | Minor source | No |
| RECYCLED MATERIALS COMPANY INC | Minor source | No |
| RECYCLED MATERIALS COMPANY INC | Minor source | No |
| RECYCLED MATERIALS COMPANY INC | Minor source | No |
| RECYCLED MATERIALS COMPANY, INC | Minor source | No |
| REGIONAL TRANSPORTATION DIST - TR39 | Minor source | No |
| REGIONAL TRANSPORTATION DIST - TR40 | Minor source | No |
| RENEWABLE FIBERS INC | Minor source | No |
| REROC LLC - PORTABLE CEDAR RAPIDS SCREEN | Minor source | No |
| REROC LLC DBA RECYCLED AGG. PROD. | Minor source | No |
| REROC LLC DBA RECYCLED AGGREGATE | Minor source | No |
| REYNOLDS ALUMINUM RECYCLING CO | Minor source | No |
| RIVERSIDE AGGREGATES - PORT CRUSHER | Minor source | No |
| RME PETROLEUM CO. - ADRIAN #1 13-31 | Minor source | No |
| RME PETROLEUM CO.- MPU 22-35 WELLHEAD | Minor source | No |
| ROBINS CONSTRUCTION - PORTABLE GENERATOR | Minor source | No |
| ROBINS CONSTRUCTION - PORTABLE SCREEN | Minor source | No |
| ROBINS CONSTRUCTION - PORTABLE SCREEN | Minor source | No |
| ROCKY MOUNTAIN MATERIALS (CEC SCREEN-IT) | Minor source | No |
| ROCKY MOUNTAIN MATERIALS & ASPHALT INC | Synthetic minor source | No |
| ROCKY MOUNTAIN MATERIALS & ASPHALT INC | Minor source | No |
| ROCKY MOUNTAIN MATERIALS & ASPHALT INC | Minor source | No |
| ROCKY MOUNTAIN MATERIALS & ASPHALT INC. | Minor source | No |
| ROCKY MOUNTAIN REDI-MIX | Minor source | No |
| ROCKY MTN AGG AND CONST - CRUSHER #1 | Minor source | No |
| ROCKY MTN NATURAL GAS CO STORAGE 71 | Minor source | No |
| RON MCLEAN | Minor source | No |
| RUNDLE CONSTRUCTION | Minor source | No |
| RW BUSSE EXCAVATING | Minor source | No |
| RW BUSSE EXCAVATING | Synthetic minor source | No |
| SAGUACHE COUNTY - PORT CRUSHER | Minor source | No |
| SAGUACHE COUNTY - PORT GENERATOR | Minor source | No |
| SANDCO INC | Minor source | No |
| SANDRIDGE ENERGY - FEDERAL 298-18-1 | Minor source | No |
| SCHLOSSER INC - PORTABLE CONC. PLANT | Minor source | No |
| SCHMIDT AGGREGATES | Minor source | No |
| SCHMIDT AGGREGATES | Minor source | No |
| SCHMIDT AGGREGATES - PORTABLE SCREEN | Minor source | No |
| SCHMIDT AGGREGATES CO | Minor source | No |
| SCHMIDT CONST CO | Minor source | No |
| SCHMIDT CONST CO | Minor source | No |
| SCHMIDT CONST CO MENZER QUARRY | Minor source | No |
| SCHMIDT CONSTRUCTION | Minor source | No |
| SCHMIDT CONSTRUCTION | Minor source | No |
| SCHMIDT CONSTRUCTION CO | Minor source | No |
| SCHMIDT CONSTRUCTION CO, | Minor source | No |
| SEE 099-0112-005 EASTERN COLORADO AGGREG | Minor source | No |
| SEELEY OIL CO - PORT CAT GEN | Minor source | No |
| SIBSON GRAVEL PORTABLE GENERATOR | Minor source | No |
| SIGNATURE FLIGHT SUPPORT CORPORATION | Minor source | No |
| SILT SAND & GRAVEL-PORT JAW CRUSHER | Minor source | No |
| SIMON CONTR - PORT READY-MIX PLANT #5228 | Minor source | No |
| SIMON CONTRACTOR - MOBILE BC PLANT #3 | Minor source | No |
| SIMON CONTRACTORS - PORTABLE BC PLANT 2 | Minor source | No |
| SIMON CONTRACTORS - PORTABLE PLANT #1 | Synthetic minor source | No |
| SIMON CONTRACTORS - RUSHMORE BC PLANT | Minor source | No |
| SIMON CONTRACTORS DBA OGALLALA READY MIX | Minor source | No |
| SIMON CONTRACTORS-PORTABLE BATCH PLANT | Minor source | No |
| SKANSKA USA-CRUSHER ASSEMBLY #1 | Minor source | No |
| SKY UTE SAND & GRAVEL - ALLEN PIT | Minor source | No |
| SKY UTE SAND & GRAVEL - PORT GENSET | Minor source | No |
| SKY UTE SAND & GRAVEL - RIP RAP PLANT | Minor source | No |
| SKY UTE SAND & GRAVEL-PORT CONCRETE PLT | Minor source | No |
| SKY UTE SAND & GRAVEL-PORT EQUIP | Minor source | No |
| SKY UTE SAND & GRAVEL-PORT GENSET | Minor source | No |
| SKY UTE SAND & GRAVEL, LLC | Minor source | No |
| SKY UTE SAND & GRAVEL, LLC. | Minor source | No |
| SMITH OIL PROPERTIES - PACKARD 21-22 | Minor source | No |
| SMYRNA READY MIX - PORTABLE READY MIX 2 | Minor source | No |
| SNARE CONSTRUCTION INC | Minor source | No |
| SO LOW TRANSPORT - PHILBERT PORTABLE ENG | Minor source | No |
| SOUTH METRO DRUG TASK FORCE | Minor source | No |
| SOUTHWAY CONSTRUCTION CO - CRUSHER | Minor source | No |
| SOUTHWAY CONSTRUCTION CO (CRUSHER #2) | Minor source | No |
| SOUTHWAY CONSTRUCTION CO (CRUSHER #4) | Synthetic minor source | No |
| SOUTHWAY CONSTRUCTION CO (CRUSHER #5) | Minor source | No |
| SOUTHWAY CONSTRUCTION CO (CRUSHER #6) | Minor source | No |
| SOUTHWAY CONSTRUCTION CO (CURHSER #3) | Minor source | No |
| SOUTHWAY CONSTRUCTION CO INC | Minor source | No |
| SOUTHWEST READY-MIX, INC. - BATCH PLANT | Minor source | No |
| SPIRTAS WRECKING CO. | Minor source | No |
| STAKER PAVING AND CONSTRUCTION | Synthetic minor source | No |
| STEIN CRUSHER - PORTABLE CRUSHER/SCREEN | Minor source | No |
| STRESSCON CORP | Synthetic minor source | No |
| STROHECKER ASPHALT & PAVING INC | Minor source | No |
| SUMMIT BRICK & TILE | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.