EPA Air · by county
Air-emissions sources in Sioux County, Iowa
- 78Facilities
Every stationary source in Sioux County, Iowa 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 Sioux 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 Sioux 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 3
- 2025 — inspections 3
- 2024 — inspections 4
- 2021 — inspections 3
- 2019 — inspections 3
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AG PARTNERS LLC-ALTON | Synthetic minor source | No |
| AG PARTNERS LLC-HOSPERS | Minor source | No |
| AG PARTNERS LLC-MAURICE | Minor source | No |
| AGROPUR INC | Synthetic minor source | No |
| ANGEL AIRCRAFT/THE KINGS ENGINEERING | Minor source | No |
| CENTER FRESH EGG | Minor source | No |
| CENTRAL VETERINARY CLINIC | Synthetic minor source | No |
| CITY OF HAWARDEN WASTEWATER TREATMENT FACILITY | Minor source | No |
| CITY OF ORANGE CITY-WATER TREATMENT PLNT | Synthetic minor source | No |
| CITY OF SIOUX CENTER | Minor source | No |
| COMMUNITY OIL CO - ROCK VALLEY | Minor source | No |
| COOPERATIVE GAS & OIL CO-BOYDEN | Minor source | No |
| COOPERATIVE GAS & OIL CO-IRETON | Minor source | No |
| COOPERATIVE GAS & OIL CO-SIOUX CENTER | Minor source | No |
| DARLING INTERNATIONAL INC-ALTON | Minor source | No |
| DEN HARTOG INDUSTRIES INC | Synthetic minor source | No |
| DETHMERS MFG CO | Synthetic minor source | No |
| DIAMOND VOGEL PAINT & WAX CO INC | Synthetic minor source | No |
| DORDT COLLEGE | Synthetic minor source | No |
| E-Z LINER INDUSTRIES INC | Synthetic minor source | No |
| ERICSON OIL LC | Synthetic minor source | No |
| EZ-LINER INC | Synthetic minor source | No |
| FARMERS COOPERATIVE CO-GRANVILLE | Minor source | No |
| FARMERS COOPERATIVE SOCIETY-BOYDEN | Synthetic minor source | No |
| FARMERS COOPERATIVE SOCIETY-IRETON | Synthetic minor source | No |
| FARMERS COOPERATIVE SOCIETY-SIOUX CENTER | Synthetic minor source | No |
| FARMERS ELEVATOR COOPERATIVE-ROCK VALLEY | Minor source | No |
| FARMERS FEED & SUPPLY, INC | Minor source | No |
| GCC ALLIANCE CONCRETE INC-ALTON | Minor source | No |
| GCC ALLIANCE CONCRETE INC-HAWARDEN | Synthetic minor source | No |
| GCC ALLIANCE CONCRETE INC-ORANGE CITY | Minor source | No |
| GCC ALLIANCE CONCRETE INC-SIOUX CENTER | Minor source | No |
| GCC ALLIANCE CONCRETE INC-SIOUX CENTER | Minor source | No |
| GCC READY MIX - ORANGE CITY | Minor source | No |
| GEVO - MEADOWDALE DAIRY BIOGAS | Synthetic minor source | No |
| GEVO- WINDING MEADOWS | Synthetic minor source | No |
| GROSCHOPP INC | Synthetic minor source | No |
| HAWARDEN MACHINE INC | Synthetic minor source | No |
| HH BIOFUELS LLC | No | |
| HICKORY HILL DF RENEWABLES LLC | No | |
| HULL COOPERATIVE ASSOCIATION | Minor source | No |
| INTERCHEM, INC | Minor source | No |
| K & O MANUFACTURING CO INC | Synthetic minor source | No |
| KENT NUTRITION GROUP - SHELDON | Synthetic minor source | No |
| KOOIMA CO | Synthetic minor source | No |
| L G EVERIST INC | Minor source | No |
| LINK MFG LTD | Synthetic minor source | No |
| MAGNETA TRAILERS | Synthetic minor source | No |
| MEADOWVALE DAIRY | Synthetic minor source | No |
| MIDWEST FARMERS COOPERATIVE-ORANGE CITY | Synthetic minor source | No |
| MIDWEST PAINT & BODY INC | Minor source | No |
| ORANGE CITY HEALTH SYSTEM | Synthetic minor source | No |
| PELLA CORP-SIOUX CENTER DIV | Synthetic minor source | No |
| PREMIUM PET HEALTH LLC | Minor source | No |
| ROCK INDUSTRIES INC | Synthetic minor source | No |
| ROCK VALLEY RURAL WATER DISTRICT - SOUTH | Synthetic minor source | No |
| ROCK VALLEY RURAL WATER DISTRICT-WTP #2 | Synthetic minor source | No |
| SIOUX AUTOMATION CENTER INC | Synthetic minor source | No |
| SIOUX CENTER COMMUNITY SCHOOLS | Minor source | No |
| SIOUX OIL CO-ORANGE CITY | Synthetic minor source | No |
| SIOUX PHARM INC | Synthetic minor source | No |
| SIOUX-PREME PACKING CO | Synthetic minor source | No |
| SIOUXLAND ENERGY COOPERATIVE | Synthetic minor source | No |
| SIOUXPREME EGG PRODUCTS INC | Minor source | No |
| SMITHFIELD PACKAGE MEAT INC., - SIOUX CENTER | Synthetic minor source | No |
| STANDARD READY MIX - MAURICE | Synthetic minor source | No |
| TE SLAA MFG | Synthetic minor source | No |
| THE CITY OF ROCK VALLEY | No | |
| TOTAL COMPONENT SOLUTIONS | Synthetic minor source | No |
| VALLEY FEED & SEED | Minor source | No |
| VALLEY INDUSTRIAL POWDER COATING | Minor source | No |
| VALLEY PLATING, INC. | Minor source | No |
| VALLEY VETERINARY CLINIC | Synthetic minor source | No |
| VANDE WERD COMBINE SALVAGE INC | Minor source | No |
| VERS PRO AUTO INC | Minor source | No |
| VISSER BROTHERS PLUMBING & HEATING | Minor source | No |
| VISSER ELEVATOR INC | Minor source | No |
| WEST BRANCH RNG | Major source | Yes |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.