Complaint Date | | Status | | Case |
| | Active | | (CWA-07-2021-0077) Saint Ansgar, Iowa |
| | Closed | | (CWA-07-2021-0078) Herzog Contracting Corporation |
| | Active | | (CWA-07-2021-0080) Wynja Feedlot, Inc. |
| | Active | | (CWA-07-2022-0004 and .....) New Heaven Chemicals Iowa, LLC |
| | Active | | (CWA-07-2022-0014) University Park Sewer District and Riley County Public Works Department |
| | Closed | | (CWA-07-2022-0015) Joplin, Missouri |
| | Active | | (CWA-07-2022-0029) Pilot Travel Centers, LLC |
| | Active | | (CWA-07-2022-0041) The Asphalt Sales Company |
| | Active | | (CWA-07-2022-0042) Evergreen Development, Inc. and Mark Schmidt |
| | Closed | | (CWA-07-2022-0047) Shilling Construction Company, Inc. |
| | Active | | (CWA-07-2022-0060) Michael Zahner and Zahner Management Company, LLC |
| | Closed | | (CWA-07-2022-0063) Wood River Wastewater Treatment Facility |
| | Active | | (CWA-07-2022-0065) Colt Energy, Inc. |
| | Closed | | (CWA-07-2022-0069) Spring Hill, Kansas |
| | Closed | | (CWA-07-2022-0103) Tom Villegas and Amy Villegas |
| | Active | | (CWA-07-2022-0112) Nashua, Iowa |
| | Active | | (CWA-07-2022-0133) Village of Pender, Nebraska |
| | Active | | (CWA-07-2022-0145) Sioux City Foundry Company |
| | Active | | (CWA-07-2023-0063) Cedar Falls Utilities |
| | Active | | (CWA-07-2023-0105) Eric Tedrow |
| | Active | | (CWA-07-2023-0108) Herzog Contracting Corp |
| | Active | | (CWA-07-2023-0113) Scrap Management, LLC d/b/a Rivers Edge Scrap Management |
| | Active | | (CWA-07-2024-0006) Sun Line, Inc. |
| | Active | | (CWA-07-2024-0054) Rooster Management, LLC |
| | Closed | | (CWA-07/2021-0017) City of Joplin |
| | Active | | (EPCRA-07-2010-0005) COFFEYVILLE RESOURCES REFINING AND MARKETING |
| | Active | | (EPCRA-07-2013-0001) Dyno Nobel, Inc |
| | Active | | (EPCRA-07-2014-0002) Clark Manufacturing |
| | Active | | (EPCRA-07-2015-0005) Coastal Energy Corporation |
| | Closed | | (EPCRA-07-2019-0205) Chemtrade Phosphorous Specialties |
| | Closed | | (EPCRA-07-2022-0100) Stanley Black & Decker, Inc. |
| | Closed | | (FFRA-07-2019-0142) Clevenger Farm Products |
| | Active | | (FIFRA-07-2007-0009) ISP MINERALS |
| | Active | | (FIFRA-07-2008-0007) QUALIS |
| | Closed | | (FIFRA-07-2008-0014) QUALIS GROUP, LLC |
| | Active | | (FIFRA-07-2008-0016) COGDILL FARM SUPPLY |
| | Active | | (FIFRA-07-2008-0021) GS ROBINS |
| | Active | | (FIFRA-07-2008-0022) MCCUNE FARMERS |
| | Active | | (FIFRA-07-2008-0031) D*RV PRODUCTS, INC |
| | Active | | (FIFRA-07-2009-0030) FARMERS COOPERATIVE COMPANY |
| | Active | | (FIFRA-07-2009-0031) FARMERS COOPERATIVE COMPANY |
| | Active | | (FIFRA-07-2009-0032) FARMERS COOPERATIVE COMPANY |
| | Active | | (FIFRA-07-2009-0036) Woodstream Corporation |
| | Active | | (FIFRA-07-2011-0002) Krudico, Inc |
| | Active | | (FIFRA-07-2012-0032) Wild West Pest,LLC |
| | Closed | | (FIFRA-07-2015-0004) Farm Advantage Unlimited Corp |
| | Closed | | (FIFRA-07-2019-0150) Liter Fertilizer & Chemicals |
| | Closed | | (FIFRA-07-2019-0218) ITW Professional Brands |
| | Closed | | (FIFRA-07-2020-0028) Denly Agri Service, Inc. |
| | Closed | | (FIFRA-07-2021-0024) Hy-Vee, Inc. |
| | Closed | | (FIFRA-07-2021-0085) Sunset Pools of St. Louis, Inc. |
| | Closed | | (FIFRA-07-2021-0090) Mid-Iowa Cooperative |
| | Closed | | (FIFRA-07-2022-0006) GrowMark, Inc. |
| | Closed | | (FIFRA-07-2022-0121) Wells Ag Supply, LLC |
| | Closed | | (FIFRA-07-2022-0122) Syngenta Crop Protection, LLC |
| | Active | | (RCRA-07-2007-0009) SCHLEGEL CORPORATION D/B/A METZELER AUTOMOTIVE PROFILE SYSTEMS, INC |
| | Active | | (RCRA-07-2007-0011) HPI PRODUCTS, INC. |
| | Active | | (RCRA-07-2010-0002) CHAMBERLAIN MANUFACTURING CORPORATION |
| | Active | | (RCRA-07-2010-0025) Eaton Corporation |
| | Active | | (RCRA-07-2010-0029) Waterloo Industries, Inc |
| | Active | | (RCRA-07-2010-0030) SPX Corporation |
| | Active | | (RCRA-07-2010-0032) Smith Farm Service, Inc |
| | Active | | (RCRA-07-2011-0003) Omaha Tribe |
| | Active | | (RCRA-07-2011-0016) Lucky's #2 |
| | Closed | | (RCRA-07-2011-0024) Eaton Corporation |
| | Active | | (RCRA-07-2011-0025) Duke Aerial, Inc |
| | Active | | (RCRA-07-2013-0017) Wellman Dynamics Corporation |
| | Active | | (RCRA-07-2015-0020) Beatrice, Nebraska FMGP |
| | Closed | | (RCRA-07-2019-0167) Salah Ibrahim/Moundview LLC |
| | Closed | | (RCRA-07-2019-0216) Flint Hills Ford |
| | Closed | | (RCRA-07-2021-0034) JM-AM Prop LLC d/b/a Toot'n Totem #120 |
| | Closed | | (RCRA-07-2021-0036) JM-AM Prop LLC d/b/a Toot'n Totem #120 |
| | Closed | | (RCRA-07-2022-0024) Moehl Millwork, Inc. |
| | Closed | | (RCRA-07-2022-0052) Camso Manufacturing USA LTD |
| | Active | | (RCRA-07-2023-0002) ESE Alcohol, Inc. and Pioneer Hi-Bred International, Inc. |
| | Active | | (SDWA-07-2008-0001) EAST GARDEN VILLAGE MOBILE HOME PARK |
| | Active | | (SDWA-07-2008-0005) NEOSHO COUNTY RWD 2 |
| | Active | | (SDWA-07-2010-0003) City of Baldwin City |
| | Active | | (SDWA-07-2010-0013) Montgomery County Rural Water District #4 |
| | Active | | (SDWA-07-2011-0005) City of Strong City |
| | Active | | (SDWA-07-2023-0041) Crawford Co RWD 1C, Kansas |
| | Active | | (SDWA-07-2023-0042) DeSoto, Kansas |
| | Active | | (SDWA-07-2023-0043) Elwood, Kansas |
| | Active | | (SDWA-07-2023-0044) Missouri American Water Co. |
| | Active | | (SDWA-07-2023-0045) Schuyler County Consolidated PWSD 1, Missouri |
| | Active | | (SDWA-07-2023-0046) Suburban Water, Inc. |
| | Active | | (SDWA-07-2023-0047) Lyons, Kansas |
| | Active | | (SDWA-07-2023-0048) Clinton County PWSD 4 System 1, Missouri |
| | Active | | (SDWA-07-2023-0049) Hollister, Missouri |
| | Active | | (SDWA-07-2023-0069) Kickapoo Tribe in Kansas |
| | Active | | (SDWA-07-2024-0007) Elk City, Kansas |
| | Active | | (SDWA-07-2024-0036) Village of Prosser, Nebraska |
| | Active | | (TSCA-07-2007-0031) JAIME SIERRA |
| | Active | | (TSCA-07-2008-0011) MICHAEL J MACKEY |
| | Active | | (TSCA-07-2008-0014) ZOBEL CONSTRUCTION, INC |
| | Active | | (TSCA-07-2008-0018) SHIN SHANKAR |
| | Active | | (TSCA-07-2008-0033) CARDINAL RENTAL & LEASING LLC |
| | Active | | (TSCA-07-2009-0004) Omnipotent Investment Co |
| | Active | | (TSCA-07-2009-0008) GLORY PROPERTIES, LLC |
| | Active | | (TSCA-07-2009-0009) Omnipotent Investment Company |