| PRAIRIE FARMS DAIRY INC | | | air pollution violation | 2017 | $46,000 |
| LIGURIA FOODS, INC | | | air pollution violation | 2017 | $80,470 |
| RONALD FRICKE | | | water pollution violation | 2017 | $25,186 |
| M&R HOLDINGS, LLC | | | water pollution violation | 2017 | $8,350 |
| POOLE CHEMICAL CO, INC | | | air pollution violation | 2017 | $48,117 |
| RED GIANT OIL COMPANY AKA SERLE PETROLEUM | | | hazardous waste violation | 2017 | $34,580 |
| SILVER OAK, INC DBA ALICE PATRICIA HOME RESIDENTIA | | | water pollution violation | 2017 | $5,000 |
| HAAG OIL COMPANY, LLC | | | water pollution violation | 2017 | $57,490 |
| ACCURATE LAND COMPANY, INC, ACADIA SUBDIVISION PLA | | | water pollution violation | 2017 | $11,000 |
| ROCK COUNTY AGRONOMY SERVICES | | | air pollution violation | 2017 | $8,560 |
| NATIONAL COLD STORAGE, INC | | | air pollution violation | 2017 | $54,588 |
| IOWA CITY READY MIX, INC | | | water pollution violation | 2017 | $78,000 |
| SCHILDBERG CONSTRUCTION COMPANY | | | water pollution violation | 2017 | $97,292 |
| HUBBELL METROPOLITAN DEVELOPMENT FUND I, LLC | | | water pollution violation | 2017 | $21,386 |
| ACRO DISHWASHING SERVICE, INC | | | environmental violation | 2017 | $9,642 |
| JIM DALINGHAUS | | | water pollution violation | 2017 | $77,970 |
| JACAM MANUFACTURING 2013, JACAM CHEMICAL COMPANY 2013 LLC | | | hazardous waste violation | 2017 | $67,500 |
| BENTON'S SAND AND GRAVEL | | | water pollution violation | 2017 | $9,742 |
| AG PROCESSORS, INC | | | water pollution violation | 2018 | $736,000 |
| PRECISION INC | | | hazardous waste violation | 2017 | $22,509 |
| BIG OX ENERGY - SIOUXLAND LLC | | | air pollution violation | 2017 | $49,545 |
| HIGHWAY EQUIPMENT COMPANY | | | hazardous waste violation | 2017 | $60,345 |
| PAVERS LLC | | | air pollution violation | 2017 | $11,250 |
| BROOKS GREASE SERVICE | | | water pollution violation | 2017 | $25,000 |
| BERTCH CABINET MANUFACTURING INC | | | hazardous waste violation | 2017 | $48,425 |
| HEATH VAN ESSEN | | | water pollution violation | 2017 | $15,000 |
| AGRI-MED VETERINARY CLINIC | | | environmental violation | 2017 | $12,852 |
| DEFFENBAUGH INDUSTRIES D/B/A JOHNNY-ON-THE-SPOT | | | water pollution violation | 2017 | $22,000 |
| KELSO MILLING CO INC | | | air pollution violation | 2017 | $37,877 |
| PENNY WINDOW COMPANY | | | lead violation | 2018 | $10,000 |
| LEFTY'S SOIL SERVICE INC | | | air pollution violation | 2017 | $5,000 |
| KENNETH VENNER D/B/A KENNETH VENNER FEEDLOT | | | water pollution violation | 2018 | $9,000 |
| C & S ENTERPRISE LLC | | | water pollution violation | 2019 | $40,500 |
| RUSSELL KIRK, BREAKING GATE LLC AND OTTUMWA NORTHSHORE LLC | | | water pollution violation | 2021 | $15,000 |
| HENNINGSEN FOODS INC | | | water pollution violation | 2020 | $827,500 |
| KERFORD LIMESTONE COMPANY | | | water pollution violation | 2018 | $51,096 |
| DAYBREAK FOODS INC | | | air pollution violation | 2018 | $70,000 |
| RICK AHRING CONSTRUCTION SERVICES INC | | | lead violation | 2018 | $12,407 |
| SHEARER'S SNACKS LLC | | | hazardous waste violation | 2018 | $10,000 |
| RUNNING FOXES PETROLEUM INC | | | water pollution violation | 2018 | $5,000 |
| CEMEN-TECH INC | | | hazardous waste violation | 2018 | $41,790 |
| HOME IMPROVEMENT CONSULTING GROUP INC D/B/A ENERGY | | | lead violation | 2018 | $14,490 |
| MFA OIL COMPANY | | | water pollution violation | 2018 | $27,000 |
| ENVIRO SCIENCE TECHNOLOGIES INC | | | environmental violation | 2018 | $30,712 |
| LINDY GLASS D/B/A LINDY WINDOW & DOOR | | | lead violation | 2018 | $5,534 |
| WATERFORD VENTURES LLC | | | water pollution violation | 2018 | $23,353 |
| JOHNSON ENTERPRISE OF KS LLC D/B/A JUMP START NORT | | | hazardous waste violation | 2018 | $5,530 |
| UNITED COOPERATIVES INC | | | air pollution violation | 2018 | $39,444 |
| STABL (F/K/A NEBRASKA BY PRODUCTS); LANT, INC.; LEON JOHNSON; AND ANN JOHNSON | | | water pollution violation | 2020 | $880,000 |
| Jacam Manufacturing 2013, LLC and Jacam Chemical Company 2013, LLC | | | air pollution violation | 2018 | $124,000 |
| RIVERVIEW CATTLE COMPANY | | | water pollution violation | 2020 | $76,000 |
| GILL STUDIOS INC | | | hazardous waste violation | 2018 | $9,000 |
| AMERICAN NATURAL PROCESSORS | | | water pollution violation | 2018 | $40,000 |
| CINDY STRATMAN | | | water pollution violation | 2018 | $22,000 |
| BAR MK LLC | | | water pollution violation | 2018 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $29,000 |
| MID-WEST FERTILIZER INC | | | environmental violation | 2018 | $7,200 |
| MIDWEST FARMERS COOPERATIVE | | | environmental violation | 2018 | $13,266 |
| BRUENING ROCK PRODUCTS | | | water pollution violation | 2018 | $41,000 |
| PROFESSIONAL AG SERVICES & SUR-GRO PLANT FOOD CO | | | air pollution violation | 2018 | $48,000 |
| SUNRISE FARMS INC | | | air pollution violation | 2018 | $59,900 |
| ROD'S CONVENIENCE STORES INC | | | hazardous waste violation | 2020 | $7,670 |
| THERMAL KING WINDOWS INC | | | lead violation | 2018 | $15,924 |
| WARREN DISTRIBUTION INC | | | air pollution violation | 2018 | $40,099 |
| EMPIRE CONSTRUCTION GROUP LLC | | | lead violation | 2018 | $12,068 |
| PINNACLE AGRICULTURE DISTRIBUTION INC | | | air pollution violation | 2018 | $114,450 |
| WHITAKER AGGREGATES INC. | | | water pollution violation | 2018 | $5,000 |
| NATIONAL FEED COMMODITIES | | | water pollution violation | 2019 | $100,000 |
| SEWARD TURKEY ENTERPRISES | | | water pollution violation | 2019 | $45,000 |
| TRUESON EXTERIORS LLC | | | lead violation | 2019 | $22,500 |
| PLANT HEALTH CARE INC | | | environmental violation | 2018 | $14,043 |
| MIDWAY AUTO PARTS LLC D/BA/ MUNCIE U PULL | | | water pollution violation | 2019 | $85,000 |
| VERIS ENVIRONMENTAL LLC | | | water pollution violation | 2019 | $11,000 |
| TFL, INC A/K/A MEGA SAVER | | | hazardous waste violation | 2019 | $149,448 |
| NEMAHA LANDSCAPE CONSTRUCTION INC D/B/A NEMAHA | | | water pollution violation | 2018 | $7,500 |
| SIMPLY ESSENTIALS LLC | | | air pollution violation | 2019 | $9,000 |
| COOPERATIVE FARMERS ELEVATOR | | | environmental violation | 2019 | $5,000 |
| DAWN FOOD PRODUCTS INC | | | air pollution violation | 2018 | $5,100 |
| J P PAINTING LLC | | | lead violation | 2019 | $9,791 |
| DIODES INCORPORATED | | | air pollution violation | 2019 | $229,456 |
| LINCOLN COLD STORAGE | | | air pollution violation | 2019 | $40,400 |
| NEW HEAVEN CHEMICALS IOWA LLC | | | water pollution violation | 2019 | $7,385 |
| BUCKEYE INTERNATIONAL INC | | | air pollution violation | 2019 | $118,413 |
| BRUENING ROCK PRODUCTS | | | water pollution violation | 2019 | $120,000 |
| NEWPORT UTILITIES | | | water pollution violation | 2019 | $68,300 |
| TUR-PAK FOODS INC | | | air pollution violation | 2019 | $57,917 |
| PRAIRIE FARMS DAIRY INC | | | water pollution violation | 2019 | $196,790 |
| CONTROL SOLUTIONS INC | | | environmental violation | 2019 | $5,990 |
| HOWARD JOHNSON'S ENTERPRISES INC | | | environmental violation | 2019 | $89,532 |
| EAST WEST PROPERTIES LLC | | | lead violation | 2019 | $7,928 |
| WHITAKER AGGREGATES INC D/B/A CENTERVILLE QUARRY | | | water pollution violation | 2019 | $7,500 |
| QUALITY REFRIGERATED SERVICES INC | | | air pollution violation | 2020 | $78,674 |
| FRES-CO-SYSTEM USA | | | hazardous waste violation | 2019 | $25,000 |
| DEL PROPERTIES | | | lead violation | 2020 | $14,424 |
| BIG OX ENERGY - SIOUXLAND LLC | | | air pollution violation | 2021 | $1,100,000 |
| IDEAL INDUSTRIES INC | | | hazardous waste violation | 2019 | $9,000 |
| FAIRCAST INC | | | hazardous waste violation | 2019 | $40,637 |
| HUMMERT INTERNATIONAL INC | | | environmental violation | 2019 | $31,494 |
| SURE POINT EXTERIORS LLC | | | lead violation | 2019 | $11,319 |
| EMERALD COAST UTILITIES AUTHORITY | | | water pollution violation | 2020 | $5,200 |
| RPC HOLDINGS INC D/B/A RIVER PRODUCTS COMPANY INC | | | water pollution violation | 2020 | $33,500 |
| STAG'S RIDGE LLC | | | water pollution violation | 2020 | $60,530 |
