EPA Air · by county
Air-emissions sources in Canyon County, Idaho
- 126Facilities
Every stationary source in Canyon County, Idaho 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 Canyon 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 Canyon 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 9
- 2025 — inspections 23
- 2024 — inspections 21
- 2023 — inspections 18
- 2022 — inspections 15
- 2021 — inspections 26
- 2020 — inspections 13
- 2019 — inspections 24
- 2018 — inspections 10
- 2017 — inspections 9
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| A. H. SCHADE INC DBA GEM STOP CO #8 | Minor source | No |
| A. H. SCHADE, IND DBA GEM SHOP CO #32 | Minor source | No |
| AGRI-LINES IRRIGATION INC | Minor source | No |
| AMALGAMATED SUGAR COMPANY - NAMPA | Major source | No |
| AMERICRETE READY-MIX CONCRETE DBA G & B REDI-MIX 00384 | Minor source | No |
| AUTOVOL INC | Minor source | No |
| B&T AUTO SALVAGE | Minor source | No |
| BASF CORP | Minor source | No |
| BASS AUTO BODY | Minor source | No |
| BED LINERS OF TREASURE VALLEY | Minor source | No |
| BEST BATH SYSTEMS - CALDWELL | Major source | No |
| BRIGHTMARK DEGROOT RNG LLC | Minor source | No |
| BRIGHTMARK T&T RNG LLC | Minor source | No |
| C & B QUALITY TRAILER WORKS INC | Synthetic minor source | No |
| CALIBER COLLISION - CALDWELL 6620 | Minor source | No |
| CALIBER COLLISION - NAMPA 6622 | Minor source | No |
| CALIBER COLLISION CENTER - NAMPA 0292 | Minor source | No |
| CALIBER HOLDINGS LLC DBA CALIBER COLLISIN CENTER - MIDDLETON 1409 | Minor source | No |
| CARCO MINERAL RESOURCES INC | Synthetic minor source | No |
| CINTAS CORPORATION | Minor source | No |
| CITY OF NAMPA-WASTEWATER TREATMT PLANT | Minor source | No |
| COBALT TRUCK EQUIPMENT | Minor source | No |
| CORWIN FORD - NAMPA DETAIL SHOP | Minor source | No |
| CRASH CHAMPIONS - NAMPA | Minor source | No |
| CRASH CHAMPIONS - NAMPA CENTRAL | Minor source | No |
| CRASH CHAMPIONS LLC - CALDWELL | Minor source | No |
| CRITERION TRAILERS | Minor source | No |
| CROOKHAM COMPANY | Minor source | No |
| CTI FOODS - SSI FOOD SVCS DIVISION | Minor source | No |
| CXT INCORPORATED | Synthetic minor source | No |
| DEBOER SAND & GRAVEL 00497 | Minor source | No |
| DENNIS DILLON CHRYSLER JEEP DODGE - CALDWELL | Minor source | No |
| DIXIE RIVER DBA GB ROCK SAND & GRAVEL | Minor source | No |
| DIXIE RIVER DBA RIVER ROCK SAND & GRAVEL 00586 | Minor source | No |
| DZ GRINDERS | Minor source | No |
| FLAHIFF FUNERAL CHAPELS INC | Minor source | No |
| FLEETWOOD HOMES OF IDAHO, PLANT #4 | Minor source | No |
| FLYING J TRAVEL PLAZA-CALDWELL | Minor source | No |
| G & B REDI-MIX NAMPA | Minor source | No |
| GARRITY BLVD AUTO BODY | Minor source | No |
| GAYLE MANUFACTURING | Synthetic minor source | No |
| GAYLE MANUFACTURING COMPANY INC | Minor source | No |
| IDAHO CONCRETE CO CALDWELL | Minor source | No |
| IDAHO SAND & GRAVEL 00073 | Synthetic minor source | No |
| IDAHO SAND & GRAVEL 00351 | Synthetic minor source | No |
| IDAHO SAND & GRAVEL, JACK B PARSONS CO | Synthetic minor source | No |
| INTERSTATE GROUP LLC 027-00153 | Synthetic minor source | No |
| J R SIMPLOT - CALDWELL (NEW) | Major source | No |
| J R SIMPLOT COMPANY-DIVERSIFIED NAMPA | Minor source | No |
| JACK B PARSON DBA CITY TRANSFER REDI-MIX 00272 | Minor source | No |
| JACKSON'S FOOD STORE #003 | Minor source | No |
| JACKSON'S FOOD STORE #005 | Minor source | No |
| JACKSON'S FOOD STORE #059 | Minor source | No |
| JACKSON'S FOOD STORE #060 | Minor source | No |
| JACKSON'S FOOD STORE #061 | Minor source | No |
| JACKSON'S FOOD STORE #062 | Minor source | No |
| JACKSON'S FOOD STORE #063 | Minor source | No |
| JACKSON'S FOOD STORE #064 | Minor source | No |
| JACKSON'S FOOD STORE #082 | Minor source | No |
| JACKSON'S FOOD STORE #085 | Minor source | No |
| JACKSON'S FOOD STORE #117 | Minor source | No |
| JACKSON'S FOOD STORE #126 | Minor source | No |
| JOHNSON THERMAL SYSTEMS | Minor source | No |
| JOHNSON THERMAL SYSTEMS INC NAMPA | Synthetic minor source | No |
| KNIFE RIVER - MOUNTAIN WEST 00601 | Minor source | No |
| LURRE CONSTRUCTION INC 00295 | Minor source | No |
| LURRE CONSTRUCTION INC 00622 | Minor source | No |
| MAVERICK STORE #287 | Minor source | No |
| MAVERIK STORE #178 (3-140213) | Minor source | No |
| MAVERIK STORE #225 (3-140607) | Minor source | No |
| MAVERIK STORE #273 (3-140651) | Minor source | No |
| MAVERIK STORE #298 | Minor source | No |
| MAVERIK STORE #430 | Minor source | No |
| MERCY MEDICAL CENTER | Minor source | No |
| NAMPA HIGHWAY DISTRICT NO. 1 - 00304 | Minor source | No |
| NAMPA PAVING & ASPHALT | Synthetic minor source | No |
| NAMPA PAVING & ASPHALT CO INC 00065 | Synthetic minor source | No |
| NORTHWEST PIPELINE LLC CALDWELL | Major source | No |
| NOVAE LLC | Synthetic minor source | No |
| NUNHEMS USA | Synthetic minor source | No |
| OLDCASTLE INFRASTRUCTURE - NAMPA | Minor source | No |
| ONSEMI - NAMPA | Synthetic minor source | No |
| PACIFIC PRESS PUBLISHING ASSN | Minor source | No |
| PACKAGING CORPORATION OF AMERICA | Minor source | No |
| PICKLES BUTTE SANITARY LANDFILL | Major source | No |
| PLEXUS MANUFACTURING SOLUTIONS | Synthetic minor source | No |
| R & B PROTECTIVE COATINGS | Minor source | No |
| RAMBO CRUSHING CO 00487 | Minor source | No |
| RAMBO CRUSHING COMPANY 00390 | Minor source | No |
| RHINO METALS INC | Synthetic minor source | No |
| RIVER ROCK SAND & GRAVEL LLC 00162 | Minor source | No |
| RIVER ROCK SAND & GRAVEL LLC 00332 | Minor source | No |
| RIVER ROCK SAND & GRAVEL LLC 00619 | Minor source | No |
| ROCK CONTRACTORS 00590 | Minor source | No |
| ROCK CONTRACTORS INC 00160 | Minor source | No |
| RULE STEEL | Minor source | No |
| SAINT ALPHONSUS MEDICAL CENTER | Minor source | No |
| SENECA FOODS CORP - NAMPA | Minor source | No |
| SNAKE RIVER TRAILER COMPANY | Synthetic minor source | No |
| SORRENTO LACTALIS INC | Minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.