EPA Air · by state
Sources with a high-priority air violation in Iowa
- 64Facilities
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a stationary source. This is the STATUS EPA carries on the facility record today — whether the violation is unaddressed, addressed by the state, the local agency or EPA itself — not a history. The year-by-year record of when violations were determined is linked below.
Violations determined in Iowa, by year
- 2026 — violations determined 64
- 2025 — violations determined 98
- 2024 — violations determined 97
- 2023 — violations determined 100
- 2022 — violations determined 47
- 2021 — violations determined 38
- 2020 — violations determined 31
- 2019 — violations determined 43
- 2018 — violations determined 37
- 2017 — violations determined 69
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| 3M MINNESOTA MINING & MANUFACTURING CO | Major source | Yes |
| ADM CLINTON BIOPROCESSING - CLINTON | Major source | Yes |
| AFINITAS | Synthetic minor source | Yes |
| CARGILL ANIMAL NUTRITION - SIOUX CITY | Minor source | Yes |
| CARGILL INC-FORT DODGE | Major source | Yes |
| CARGILL INC-SIOUX CITY | Major source | Yes |
| CDI LLC - CHARLES CITY | Major source | Yes |
| CDI LLC - FOREST CITY | Major source | Yes |
| CENTRAL DISPOSAL SYSTEMS INC | Major source | Yes |
| CF INDUSTRIES NITROGEN LLC - PORT NEAL NITROGEN COMPLEX | Major source | Yes |
| CITY OF ONAWA-WASTEWATER TREATMENT PLANT | Synthetic minor source | Yes |
| CITY OF SHENANDOAH-SHENANDOAH SANITATION | Synthetic minor source | Yes |
| CLIMAX MOLYBDENUM CO | Major source | Yes |
| CNH AMERICA LLC | Major source | Yes |
| DANISCO US, INC. | Synthetic minor source | Yes |
| DUBUQUE METROPOLITAN SANITARY LANDFILL | Major source | Yes |
| ELITE OCTANE, LLC | Major source | Yes |
| GENERAL MILLS OPERATIONS, INC. | Major source | Yes |
| GOLD EAGLE COOPERATIVE - 69 MILL | Synthetic minor source | Yes |
| GOLDEN GRAIN ENERGY LLC | Major source | Yes |
| GRAETTINGER MUNICIPAL LIGHT PLANT | Synthetic minor source | Yes |
| GRAIN PROCESSING CORP | Major source | Yes |
| GROWMARK INC - FORT DODGE TERMINAL | Major source | Yes |
| HEIDELBERG MATERIALS US CEMENT LLC | Major source | Yes |
| HNI CORP-CENTRAL CAMPUS-OAK STREET STEEL | Major source | Yes |
| HNI CORP-NORTH CAMPUS-ALLSTEEL COMPONENT | Major source | Yes |
| HOMELAND ENERGY SOLUTIONS LLC | Major source | Yes |
| HYCAST FOUNDRY | Major source | Yes |
| INDIAN MOTORCYCLE LLC | Major source | Yes |
| INTERNATIONAL PAPER - CEDAR RIVER PAPER | Major source | Yes |
| IOWA FERTILIZER CO | Major source | Yes |
| JBS USA LLC | Major source | Yes |
| KNIFE RIVER MIDWEST LLC-SIOUX CITY-PLT#4 | Synthetic minor source | Yes |
| LOESS HILLS REGIONAL SANITARY LANDFILL | Major source | Yes |
| LSCP LP DBA LITTLE SIOUX CORN PROCESSORS | Major source | Yes |
| MASTERBRAND CABINETS - WATERLOO OPERATIONS | Major source | Yes |
| METRO PARK EAST LANDFILL | Minor source | Yes |
| MID AMERICAN ENERGY CO-SALIX | Major source | Yes |
| OSMIUM DATA CENTER | Major source | Yes |
| PARKER WELDING & FABRICATION INC | Synthetic minor source | Yes |
| PELLA WEST SUBSTATION | Major source | Yes |
| POET BIOREFINING - ARTHUR, LLC | Major source | Yes |
| POET BIOREFINING - GOWRIE, LLC | Major source | Yes |
| POET BIOREFINING - LIBERTY (EMMETSBURG) | Major source | Yes |
| POET BIOREFINING - SHELL ROCK, LLC | Major source | Yes |
| POET BIOREFINING CORNING | Major source | Yes |
| POET BIOREFINING IOWA FALLS, LLC | Major source | Yes |
| PRINCIPAL LIFE INSURANCE COMPANY | Major source | Yes |
| QUAD COUNTY CORN PROCESSORS COOPERATIVE | Synthetic minor source | Yes |
| ROQUETTE AMERICA INC | Major source | Yes |
| SEABOARD TRIUMPH FOODS, LLC | Synthetic minor source | Yes |
| SILGAN CONTAINER MANUFACTURING CORP. | Major source | Yes |
| SOUTHWEST IOWA RENEWABLE ENERGY | Major source | Yes |
| SSAB IOWA INC | Major source | Yes |
| STINE ATP | Synthetic minor source | Yes |
| STRAWBERRY POINT UTILITIES | Synthetic minor source | Yes |
| TEMPLETON RYE SPIRITS, LLC | Major source | Yes |
| THE ANDERSONS MARATHON HOLDINGS LLC | Major source | Yes |
| VALERO RENEWABLE FUELS CO LLC-HARTLEY | Major source | Yes |
| VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT | Major source | Yes |
| VERBIO | Synthetic minor source | Yes |
| WB SCOTT AREA LLC | Major source | Yes |
| WEST BRANCH RNG | Major source | Yes |
| ZINPRO CORP - GARNER | Synthetic minor source | Yes |
Violation status as filed on the facility record. Figures from EPA’s ICIS-AIR download.