Complaint Date | | Status | | Case |
| | Closed | | (CWA-10-2021-0124) State Industries, LLC |
| | Closed | | (CWA-10-2021-0126) City of Wapato, Washingtion |
| | Closed | | (CWA-10-2021-0167) Vintage Airframe LLC |
| | Closed | | (CWA-10-2022-0199) Andersen Construction Company |
| | Closed | | (CWA-10-2022-0231) McWilliams Road LLC |
| | Active | | (CWA-10-2022-0260) Eni US Operating Co. Inc |
| | Closed | | (CWA-10-2022-0265) Mohammad Ali |
| | Closed | | (CWA-10-2022-0266) M3 ID Rising Sun |
| | Closed | | (CWA-10-2023-0007) Intalco Aluminum, LLC |
| | Closed | | (CWA-10-2023-0008) Brighton Development, Inc. |
| | Closed | | (CWA-10-2023-0012) OBI Seafoods, LLC |
| | Closed | | (CWA-10-2023-0021) Ryan Smith and Noah Smith |
| | Closed | | (CWA-10-2023-0022) Ryan Smith and Noah Smith |
| | Closed | | (CWA-10-2023-0033) Burlington Environmental (dba Clean Earth) |
| | Closed | | (CWA-10-2023-0034) Kodiak Fishmeal Company |
| | Closed | | (CWA-10-2023-0042) Boyer Towing Inc, |
| | Closed | | (CWA-10-2023-0045) Michael Reese and Janet Reese |
| | Closed | | (CWA-10-2023-0071) LAWSON LAND, INC. AND RUSSELL KOEPKE |
| | Closed | | (CWA-10-2023-0082) Public Utility District No. 1 of Chelan County |
| | Closed | | (CWA-10-2023-0110) Ron and Leo’s Welding Services Inc |
| | Closed | | (CWA-10-2023-0115) D.R. Johnson Lumber Co. |
| | Closed | | (CWA-10-2023-0122) Lennar Northwest, LLC |
| | Closed | | (CWA-10-2023-0124) Clearwater Forest Industries, LLC |
| | Closed | | (CWA-10-2023-0129) Herco Inc. |
| | Closed | | (CWA-10-2023-0131) Town of Coulee Dam |
| | Closed | | (CWA-10-2023-0132) Michael Gagliano |
| | Closed | | (CWA-10-2023-0141) American Seafoods Company LLC and American Dynasty LLC |
| | Closed | | (CWA-10-2023-0142) American Seafoods Company LLC and American Triumph LLC |
| | Closed | | (CWA-10-2023-0143) American Seafoods Company LLC and Northern Eagle LLC |
| | Closed | | (CWA-10-2023-0144) American Seafoods Company LLC and Northern Jaeger LLC |
| | Closed | | (CWA-10-2023-0145) American Seafoods Company LLC and Ocean Rover LLC |
| | Closed | | (CWA-10-2023-0152) Pulte Homes of Washington LLC |
| | Closed | | (CWA-10-2023-0197) Northside 4, LLC |
| | Closed | | (CWA-10-2024-0006) Four Star Supply, Inc. |
| | Active | | (CWA-10-2024-0018) Sunroc Corporation Notus Facility |
| | Active | | (CWA-10-2024-0019) Sunroc Corporation Maddens Facility |
| | Active | | (CWA-10-2024-0020) Ryan Smith and Noah Smith |
| | Closed | | (CWA-10-220-0065) Maxum Enterprises, LLC – Pilot Thomas Logistics |
| | Closed | | (CWA-HQ-2017-0001) Carnival Corporation |
| | Closed | | (CWA-OPA10-2008-0007) Mary's River Lumber Company |
| | Closed | | (CWA10-2016-0086) Eagle Lakes Subdivisions: Brooklyn Park Investors |
| | Closed | | (CWA/OPA-10-2008-0017) Atkinson Distributing, Inc. |
| | Closed | | (CWA/OPA10-2008-0006) Bailey Oil Company |
| | Closed | | (EPCRA-10-2004-0151) El Paso Merchant Energy-Petroleum Company/ aka Coastal St. Helens Chemical |
| | Closed | | (EPCRA-10-2007-0175) BCI COCA-COLA BOTTLING COMPANY OF LOS ANGELES |
| | Closed | | (EPCRA-10-2008-0035) Pioneer Americas LLC |
| | Closed | | (EPCRA-10-2009-0069) Trident Seafoods Corporation |
| | Closed | | (EPCRA-10-2009-0092) Scarsella Bros., Inc. |
| | Closed | | (EPCRA-10-2009-0093) Composite Solutions Corporation |
| | Closed | | (EPCRA-10-2009-0094) Tri-Way Industries, Inc. |
| | Closed | | (EPCRA-10-2009-0095) ChemStation |
| | Closed | | (EPCRA-10-2009-0117) All Seasons Energy |
| | Closed | | (EPCRA-10-2009-0187) FLUID MOTION, LLC |
| | Closed | | (EPCRA-10-2009-0198) NONPAREIL CORPORATION |
| | Closed | | (EPCRA-10-2009-0204) GKN AEROSPACE CHEMTRONICS, INC. |
| | Closed | | (EPCRA-10-2009-0205) DYNO NOBEL, INC. |
| | Closed | | (EPCRA-10-2009-0209) DELTA MARINE INDUSTRIES |
| | Closed | | (EPCRA-10-2010-0018) COMPOSITE AQUATIC INNOVATIONS, INC. |
| | Closed | | (EPCRA-10-2010-0055) OCEAN PROTEIN, LLC |
| | Closed | | (EPCRA-10-2010-0067) UNIGARD INSURANCE COMPANY |
| | Closed | | (EPCRA-10-2010-0068) SAFEWAY INC. BELLEVUE BREAD PLANT |
| | Closed | | (EPCRA-10-2010-0123) AIR AMERICA FUEL & SERVICES, INC. |
| | Closed | | (EPCRA-10-2010-0124) COLUMBIA PACIFIC AVIATION, INC. |
| | Closed | | (EPCRA-10-2010-0125) SKI LIFTS, INC. - CENTRAL |
| | Closed | | (EPCRA-10-2010-0126) SKI LIFTS, INC. - EAST |
| | Closed | | (EPCRA-10-2010-0127) SKI LIFTS, INC. - WEST |
| | Closed | | (EPCRA-10-2010-0128) SKI LIFTS, INC. - ALPENTAL |
| | Closed | | (EPCRA-10-2010-0135) BERRY PLASTICS CORPORATION |
| | Closed | | (EPCRA-10-2010-0160) OFFICEMAX |
| | Closed | | (EPCRA-10-2010-0162) R.W. Scott Construction Company |
| | Closed | | (EPCRA-10-2010-0163) SAIA MOTOR FREIGHT LINE, LLC |
| | Closed | | (EPCRA-10-2010-0168) INTERNATIONAL PAPER COMPANY |
| | Closed | | (EPCRA-10-2010-0171) SPECIALTY PRODUCTS, INC. |
| | Closed | | (EPCRA-10-2010-0194) TREE TOP, INC. |
| | Closed | | (EPCRA-10-2011-0014) PACIFIC FUNCTIONAL FLUIDS, LLC |
| | Closed | | (EPCRA-10-2011-0027) R PLUM CORPORATION dba EMPIRE COLD STORAGE AND FROSTY ICE |
| | Closed | | (EPCRA-10-2011-0048) OREGON FREEZE DRY, INC. |
| | Closed | | (EPCRA-10-2011-0054) FIBER-FAB, LLC |
| | Closed | | (EPCRA-10-2011-0064) OLYMPIA LOG YARD AND WESTBAY CHIP RELOAD |
| | Closed | | (EPCRA-10-2011-0113) KODIAK FISHMEAL COMPANY |
| | Closed | | (EPCRA-10-2011-0125) QUALITY CARRIERS, INC. |
| | Closed | | (EPCRA-10-2011-0129) KENMORE AIR HARBOR, INC. |
| | Closed | | (EPCRA-10-2011-0130) KENMORE AIR HARBOR, INC |
| | Closed | | (EPCRA-10-2011-0166) WESTPORT SHIPYARD, INC. |
| | Closed | | (EPCRA-10-2012-0006) FORMULA CORP. |
| | Closed | | (EPCRA-10-2012-0018) McCLURE INDUSTRIES, INC. |
| | Closed | | (EPCRA-10-2012-0027) FRAZIER INDUSTRIAL COMPANY |
| | Closed | | (EPCRA-10-2012-0043) Idaho Milk Products, Inc. |
| | Closed | | (EPCRA-10-2012-0093) Kanto Corporation |
| | Closed | | (EPCRA-10-2012-0102) Rhodes International -Caldwell, ID |
| | Closed | | (EPCRA-10-2012-0111) Columbia River Processing |
| | Closed | | (EPCRA-10-2012-0129) Machinists (DSR) , Inc. |
| | Closed | | (EPCRA-10-2012-0158) Jorgensen Forge Corporation |
| | Closed | | (EPCRA-10-2012-0209) Leftwich Foundry, Inc. |
| | Closed | | (EPCRA-10-2013-0000) FedEx Freight Inc. - Fife, WA |
| | Closed | | (EPCRA-10-2013-0023) CertainTeed Gypsum, Inc. |
| | Closed | | (EPCRA-10-2013-0052) Sierra Pacific Industries |
| | Closed | | (EPCRA-10-2013-0061) Targa Sound Terminal LLC |
| | Closed | | (EPCRA-10-2013-0064) The Amalgamated Sugar Co., LLC |
| | Closed | | (EPCRA-10-2013-0130) Weinstein Beverage Co. |