 CWA-10-2018-0004 | Closed | | City of Nezperce Wastewater Treatment Plant |
| CWA-10-2018-0205 | Closed | | City of Driggs, Driggs, Idaho |
| CWA-10-2018-0241 | Closed | | Dean & Dorothy Orbison & The Orbison Community Property Trust |
| CWA-10-2018-0253 | Closed | | BMC East, LLC. |
| CWA-10-2018-0254 | Closed | | Grapevine 7, Inc. |
| CWA-10-2018-0261 | Closed | | North Star Terminal & Stevedore Company, LLC |
| CWA-10-2018-0277 | Closed | | North Pacific Seafoods Red Salmon Cannery |
| CWA-10-2018-0282 | Closed | | City of Depoe |
| CWA-10-2018-0286 | Closed | | Cannon Builders, Inc. |
| CWA-10-2018-0294 | Closed | | City of Council, Idaho |
| CWA-10-2018-0296 | Closed | | Jim Myatt |
| CWA-10-2018-0298 | Closed | | Jug Mountain Ranch, LLC |
| CWA-10-2018-0302 | Closed | | City of St. Maries, Idaho |
| CWA-10-2018-0306 | Closed | | City of Richfield, Idaho |
| CWA-10-2018-0309 | Closed | | Coleman Homes |
| CWA-10-2018-0310 | Closed | | City of Newport - Newport Municipal Airport |
| CWA-10-2018-0311 | Closed | | Silver Bay Seafoods-Metlakatla, LLC |
| CWA-10-2018-0318 | Closed | | Boise Hunter Homes |
| CWA-10-2018-0320 | Closed | | City of Worley, ID |
| CWA-10-2018-0322 | Closed | | City of Kendrick, Idaho |
| CWA-10-2018-0334 | Closed | | Brighton Corporation Inc. & Pentalon Construction |
| CWA-10-2018-0337 | Closed | | Kenai City Dock |
| CWA-10-2018-0338 | Closed | | Pacific Star Seafood, Inc |
| CWA-10-2018-0339 | Closed | | Pacific Star Seafood |
| CWA-10-2018-0340 | Closed | | Pacific Star Seafood |
| CWA-10-2018-0344 | Closed | | Alaska Aerofuel, Inc |
| CWA-10-2018-0357 | Closed | | City of Genesee, Idaho |
| CWA-10-2019-0002 | Closed | | Bornstein Seafoods, Inc. |
| CWA-10-2019-0004 | Active | | Connell Development Company |
| CWA-10-2019-0009 | Closed | | Georgia-Pacific Wood Products LLC. |
| CWA-10-2019-0012 | Closed | | Granite Excavation & Summit Development Inc. |
| CWA-10-2019-0017 | Closed | | Colaska, Inc. |
| CWA-10-2019-0020 | Closed | | Colaska, Inc, Aggpro |
| CWA-10-2019-0026 | Closed | | Petro 49, Inc., Ketchikan Bulk Plant |
| CWA-10-2019-0033 | Closed | | Robert Durham Excavation Inc & Gerald Martens |
| CWA-10-2019-0034 | Closed | | Kilgore Companies, LLC d/b/a Triple C Concrete, a/k/a Twin Falls Redi-Mix |
| CWA-10-2019-0041 | Closed | | Georgia Pacific Consumer Products, LLC, Camas Mill |
| CWA-10-2019-0042 | Closed | | Port Townsend Paper Corp. |
| CWA-10-2019-0045 | Closed | | Northwest Hardwoods, Inc. |
| CWA-10-2019-0048 | Closed | | Woodgrain Millwork, Inc. |
| CWA-10-2019-0059 | Closed | | City of Troy, Idaho |
| CWA-10-2019-0060 | Active | | City of Troy, Idaho |
| CWA-10-2019-0061 | Closed | | Go Left LLC. & Richard Fritzley |
| CWA-10-2019-0089 | Closed | | East Valley Cattle, LLC. and Bill Millenkamp |
| CWA-10-2019-0099 | Closed | | Skagit River Steel & Recycling |
| CWA-10-2019-0101 | Closed | | Coeur Alaska Inc. Kensington Mine |
| CWA-10-2019-0102 | Closed | | Coeur Alaska Inc., Kensington Mine |
| CWA-10-2019-0107 | Closed | | Rogue Valley International Airport - Rental Car Facility |
| CWA-10-2019-0108 | Closed | | City of Ashland - Municipal Airport Fueling Facility |
| CWA-10-2019-0109 | Closed | | Marine Vacuum Service, Inc. |
| CWA-10-2019-0110 | Closed | | Highlands Cove, LLC |
| CWA-10-2019-0122 | Closed | | City of Glenns Ferry, Idaho |
| CWA-10-2019-0129 | Closed | | Silver Bay Seafoods, LLC. |
| CWA-10-2019-0137 | Closed | | Conger Management Group & C15,LLC |
| CWA-10-2019-0141 | Closed | | Maxum Petroleum Pier 15 |
| CWA-10-2019-.0073 | Closed | | Nikiski Fuel, LLC |
| CWA-10-2020-0001 | Closed | | White Sturgeon, LLC. |
| CWA-10-2020-0002 | Closed | | Coleman Oil Company, LLC |
| CWA-10-2020-0003 | Closed | | Coleman Oil Company, LLC |
| CWA-10-2020-0023 | Closed | | Larsen Construction, LLC & Stanley Construction |
| CWA-10-2020-0025 | Closed | | Americold Logistics LLC - Burlington |
| CWA-10-2020-0026 | Closed | | Americold Logistics LLC, Lynden |
| CWA-10-2020-0033 | Closed | | PACIFIC SEAFOOD – WESTPORT, LLC, WASHINGTON CRAB PRODUCERS
|
| CWA-10-2020-0046 | Closed | | Scott Shelly |
| CWA-10-2020-0047 | Closed | | Bogus Basin Recreational Association |
| CWA-10-2020-0056 | Closed | | Oregon Coast Scenic Railroad |
| CWA-10-2020-0064 | Closed | | Triangle Oil, Inc |
| CWA-10-2020-0075 | Closed | | Zenith Energy Portland Terminal |
| CWA-10-2020-0087 | Closed | | Achilles USA, Inc., |
| CWA-10-2020-0092 | Closed | | Sybil Benham |
| CWA-10-2020-0098 | Closed | | NORTHERN ALASKA CONTRACTORS, LLC, UGADAGA QUARRY, |
| CWA-10-2020-0115 | Closed | | Oregon Chip Terminal, Inc., |
| CWA-10-2020-0121 | Closed | | : Aspen Homes and Development LLC |
| CWA-10-2020-0129 | Active | | GARRETT CONSTRUCTION COMPANY, INC., |
| CWA-10-2020-0134 | Closed | | Everts Air Fuel Inc |
| CWA-10-2020-0168 | Closed | | Fairbourne Development LLC |
| CWA-10-2020-0181 | Active | 09/30/2020 | Kirk Wilson, an Individual
|
| CWA-10-2021-0007 | Closed | | KAG WEST, LLC
|
| CWA-10-2021-0009 | Closed | | South Bend Product, LLC |
| CWA-10-2021-0031 | Active | | DB Development, LLC, |
| CWA-10-2021-0032 | Closed | | Oxbow Earthworks, Inc. |
| CWA-10-2021-0035 | Active | 02/11/2021 | Carl Grissom, an Individual |
| CWA-10-2021-0037 | Closed | | City of Caldwell, Idaho |
| CWA-10-2021-0038 | Closed | | Granite Construction Company |
| CWA-10-2021-0053 | Closed | | Covich-Williams CO.,Inc. |
| CWA-10-2021-0054 | Closed | | Challenger Development, LLC, |
| CWA-10-2021-0057 | Active | 04/27/2021 | ZWJ Properties, LLC, Win Hollow Subdivision |
| CWA-10-2021-0097 | Active | 04/29/2021 | Astro Auto Wrecking, LLC |
| CWA-10-220-0065 | Closed | | Maxum Enterprises, LLC – Pilot Thomas Logistics |
| CWA-7-99-0009 | Closed | 03/30/99 | Arnold Engineering Co, Ogallala Electronics Division |
| CWA-70-2020-0112 | Closed | 04/29/2020 | Reeves Boomland, Inc., dba Reeves Boomland Gas & C-Store |
| CWA-ACO-7-2004-0046 | Closed | 01/04/2004 | HERITAGE FEEDERS |
| CWA-HQ-2017-0001 | Closed | | Carnival Corporation |
| CWA-OPA10-2008-0007 | Closed | | Mary's River Lumber Company |
| CWA -06-2017-4301 | Closed | 01/10/2017 | White Operating Company |
| CWA 06-2013-1708 | Closed | 01/10/2013 | QUANICO OIL & GAS, INC. |
| CWA 06-2016-4818 | Closed | 11/17/2016 | Baker Hughes Oilfield Operations, Inc. |
| CWA 06--2012-4817 | Closed | 09/17/2012 | CSC OIL COMPANY |
| CWA 06-06-10 | Closed | 02/18/2010 | Superior Crude Gathering, Inc. |
| CWA 06-2007-4808 | Closed | 11/07/2011 | AMRECO LLC (STRINGFELLOW HUGHES LEASE) |
![[logo] US EPA](https://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}