 | Site Name | City | State |
|---|
| Adak Naval Air Station | Adak | Alaska |
| Alaska Battery Enterprises | Fairbanks | Alaska |
| Alcoa Smelter | Vancouver | Washington |
| Alder Gold and Copper Mill | Twisp | Washington |
| Alexander Farms, Benton County, WA | Benton County | Washington |
| Alley Fuels | Garden Valley | Idaho |
| Allied Plating, Inc. | Portland | Oregon |
| American Crossarm & Conduit Co. | Chehalis | Washington |
| Anchorage Terminal Reserve | Anchorage | Alaska |
| Anderson-Calhoun Mine and Mill | Leadpoint | Washington |
| Arctic Surplus | Fairbanks | Alaska |
| Arkema | Portland | Oregon |
| Arkema EECA Workplan 2007 | | |
| ARRCOM (Drexler Enterprises) | Rathdrum | Idaho |
| Asarco Smelter - Ruston | Tacoma | Washington |
| Ashton Texaco Oil | Ashton | Idaho |
| Astoria Marine Construction Company | Astoria | Oregon |
| Bangor Naval Submarine Base | Silverdale | Washington |
| Bangor Ordnance Disposal (USNAVY) | Silverdale | Washington |
| Basin Oil | Seattle | Washington |
| Beaverton Creek at Millikan | Beaverton | Oregon |
| Black Butte Mine | Cottage Grove | Oregon |
| Blackbird Mine | Cobalt | Idaho |
| Boeing Electronics Manufacturing Facility (EMF) Superfund Site | Seattle | Washington |
| Boeing Plant 2 Early Action Area | | |
| Boeing Tulalip Test Site | Marysville | Washington |
| Bonanza Mill | Colville | Washington |
| Boomsnub-AIRCO | Vancouver | Washington |
| Boomsnub 2001 Removal | Vancouver | Washington |
| BP Alaska GC1-GC2 Gathering Line Discharge | Deadhorse | Alaska |
| BP Alaska GC1-GC2 Transmission Pipeline Discharge | Deadhorse | Alaska |
| BP Alaska ZPad Produce Water Spill | Deadhorse | Alaska |
| BP Prudoe Bay Drill Site 14 | Deadhorse | Alaska |
| BP Tank Truck Accident - Bellevue | Bellevue | Washington |
| Bremerton Gasworks Superfund Site | Bremerton | Washington |
| Brownfields and Alaska | | Alaska |
| Brownfields and Idaho | | Idaho |
| Brownfields and Washington State | | Washington |
| Brownfields Cleanup & Redevelopment | | Region 10 |
| Brownfields Partners | | |
| Bunker Hill Box | | Idaho |
| Bunker Hill Mining and Metallurgical Superfund Site (Coeur d'Alene Basin) | | Idaho |
| Burley Products Terminal | | Idaho |
| Burlingame Creek Oil Spill | Gresham | Oregon |
| Burns AFB Asbestos Removal | Burns | Oregon |
| Camp Bonneville Site | Vancouver | Washington |
| Centralia Municipal Landfill | Centralia | Washington |
| Chiloquin Forest Products | Chiloquin | Oregon |
| Circle DE Lumber | Klammath Falls | Oregon |
| CleanCare Removal Site | Tacoma | Washington |
| Cleaning up the Pacific Northwest and Alaska | | |
| Clear Creek-Wallowa River Spill | Wallowa | Oregon |
| Clearwater Spill | Kooskia | Idaho |
| Coal Creek - Ross Electric | Chehalis | Washington |
| Coeur d'Alene Basin | | Idaho |
| Coeur d'Alene Mercury Release | Coeur d'Alene | Idaho |
| Colbert Landfill | Colbert | Washington |
| Columbia American Plating Company | Portland | Oregon |
| Colville Post and Poles, Inc. | Colville | Washington |
| Commencement Bay-Nearshore Tideflats | Tacoma | Washington |
| Commencement Bay-South Tacoma Channel | Tacoma | Washington |
| Cook Inlet Pipe Line Company’s Drift River Terminal Facility | Kenai | Alaska |
| Dorothy Avenue Mercury Site | Vancouver | Washington |
| East Mission Flats Repository | Cataldo | Idaho |
| East Mission Flats Repository Frequently Asked Questions | | |
| Eastern Michaud Flats Contamination | Pocatello | Idaho |
| Eielson Air Force Base | Fairbanks | Alaska |
| Elmendorf Air Force Base | Anchorage | Alaska |
| Emergency Response and Preparedness | | |
| Environmental Cleanup Sites - You choose the sort! | | Region 10 |
| Euclid Road Groundwater Site | Reardan | Washington |
| Fairchild Air Force Base (4 Waste Areas) | Spokane | Washington |
| Five Year Reviews | | Region 10 |
| FMC Corp. Yakima Superfund Site | Yakima | Washington |
| Former Martin-Marietta Aluminum Reduction Facility Superfund Site | The Dalles | Oregon |
| Formosa Mine: Douglas County, Oregon | Douglas County | Oregon |
| Fort Hill Gasoline Release to South Yamhill River | Fort Hill | Oregon |
| Fort Lewis Logistics Center | Fort Lewis | Washington |
| Fort Lewis (Landfill No. 5) | Fort Lewis | Washington |
| Fort Richardson (USArmy) | Anchorage | Alaska |
| Fort Wainwright | Fort Wainwright | Alaska |
| Franke's Laundromat | Caldwell | Idaho |
| Fremont Nat. Forest Uranium Mines (USDA) | Lakeview | Oregon |
| Frequently Asked Questions about Sumas Mountain Asbestos, Swift Creek and Sumas River | | |
| Frontier Hard Chrome, Inc. | Vancouver | Washington |
| Gasco-Siltronic | Portland | Oregon |
| Gay Mine | Fort Hall | Idaho |
| Gem County-South Slope Road Oil Spill | Gem County | Idaho |
| General Electric Co. (Spokane Shop) | Spokane | Washington |
| Gould, Inc. | Portland | Oregon |
| Grandview Pesticide Fire | | Washington |
| Grant Warehouse, Portland, Oregon | Portland | Oregon |
| Greenacres Landfill | Spokane | Washington |
| Hamilton-Labree Roads Groundwater Contamination Superfund Site | Chehalis | Washington |
| Hamilton Island Landfill (USA/COE) | North Bonneville | Washington |
| Hanford - Washington | Richland | Washington |
| Hanford 100-Area (USDOE) | Richland | Washington |
| Hanford 1100-Area (USDOE) | Richland | Washington |
| Hanford 200-Area (USDOE) | Richland | Washington |
| Hanford 300-Area (USDOE) | Richland | Washington |
| Harbor Island (Lead) | Seattle | Washington |
| Harbor Oil Superfund Site | Portland | Oregon |
| Harrisburg Jet Fuel Spill | Harrisburg | Oregon |
| Hermiston Lab | Hermiston | Oregon |
| Hidden Valley Landfill (Thun Field) | Puyallup | Washington |
| Holden Mine | Chelan | Washington |
| Horse Creek Mystery Spill | Bothell | Washington |
| Hwy 28 Tank Truck Spill | Salmon | Idaho |
| Hylebos Waterway | Tacoma | Washington |
| H&M Oil Site | Pocatello | Idaho |
| Idaho Conjecture Mine | Bonner County | Idaho |
| Idaho Hwy 55 Orr Trucking Spill | Smiths Ferry | Idaho |
| Idaho Lakeview Mine | Lakeview | Idaho |
| Idaho Lakeview Mine & Mill | Lakeview | Idaho |
| Idaho National Laboratory (USDOE) | Scoville | Idaho |
| Industrial Chrome Plating | Portland | Oregon |
| Issaquah Mini-Storage Response | Issaquah | Washington |
| Jackson Park Housing Complex (USNAVY) | Bremerton | Washington |
| Japanese Auto Wrecking | Kent | Washington |
| Jorgensen Forge Early Action Area | Seattle, Washington | Washington |
| Joseph Forest Products | Joseph | Oregon |
| Junior's Trucking Tire Fire | Skyway | Washington |
| K-Lines Inc. Preliminary Assessment | Lake Oswego | Oregon |
| Kaaba-Texas Mine Removal, Nighthawk, WA | Nighthawk | Washington |
| Kaiser Aluminum Mead Works | Mead | Washington |
| Keller Transportation | Mile Post 132 of Highway 12 | Idaho |
| Kerr-McGee Chemical Corporation | Soda Springs | Idaho |
| Ketchikan Pulp Company | Ketchikan | Alaska |
| Koopman Dairy | Enumclaw | Washington |
| Kuparuk Flowline Spill DS2M | Anchorage | Alaska |
| Lacamas Explosion-Fire | Portland | Oregon |
| Lake Tapps Abandoned Drums | Lake Tapps | Washington |
| Lake Washington Dry Docks | Seattle | Washington |
| Lakewood Site | Lakewood | Washington |
| Le Roi Smelter | Northport | Washington |
| Lockheed West Seattle | Seattle | Washington |
| Lower Duwamish Waterway Superfund Site | Seattle | Washington |
| Malarkey Asphalt Company | Seattle | Washington |
| McCormick and Baxter Superfund Site | Portland | Oregon |
| McKenzie Fast Water Boom Training | Eugene | Oregon |
| Mica Landfill | Mica | Washington |
| Middle Waterway | Tacoma WA | Washington |
| Midnite Mine Superfund Site | Wellpinit | Washington |
| Midway Landfill | Kent | Washington |
| Minnie Moore Mine | Bellevue | Idaho |
| Monsanto Chemical Company | Soda Springs | Idaho |
| Moses Lake Wellfield Contamination Superfund Site | Moses Lake | Washington |
| Mountain Home Air Force Base | Mountain Home | Idaho |
| Naval Undersea Warfare Center (4 Areas) | Keyport | Washington |
| North Market Street | Spokane | Washington |
| North Ridge Estates Superfund Site | Klamath Falls | Oregon |
| Northside Landfill | Spokane | Washington |
| Northwest Gas and Go | Sandpoint | Idaho |
| Northwest Pipe and Casing Company-Hall Process Company | Milwaukie | Oregon |
| Northwest Transformer (Mission Pole) | Everson | Washington |
| Nortwest Transformer (South Harkness Street) | Everson | Washington |
| Oeser Company | Bellingham | Washington |
| Office of Environmental Cleanup | | |
| Oil Program | | |
| Old Inland Pit | Spokane | Washington |
| Old Navy Dump/Manchester Lab (USEPA/NOAA) | Manchester | Washington |
| Olympic Pipeline Sample Line Gasoline Spill | Renton | Washington |
| Olympic View Removal Action and Monitoring | Tacoma | Washington |
| Pacific Car and Foundry (PACCAR) | Renton | Washington |
| Pacific Hide and Fur Recycling Company | Pacatello | Idaho |
| Pacific Sound Resources | Seattle | Washington |
| Palermo Well Field Groundwater Contamination | Tumwater | Washington |
| Pasco Sanitary Landfill | Pasco | Washington |
| Payette River | Boise | Idaho |
| Perchlorate in Eastern Oregon | Umatilla | Oregon |
| Pesticide Lab (Yakima) | Yakima | Washington |
| PM Northwest Removal Site | Fidalgo Island | Washington |
| Poles, Incorporated Integrated Assessment | Oldtown | Idaho |
| Portland Harbor - T4 | Portland | Oregon |
| Portland Harbor Superfund Site | Portland | Oregon |
| Preliminary Assessments | | Region 10 |
| Puget Sound Naval Shipyard Complex | Bremerton | Washington |
| Queen City Farms | Maple Valley | Washington |
| Quendall Terminals | Renton | Washington |
| RCRA Corrective Action Sites in Alaska | | Alaska |
| RCRA Corrective Action Sites in Idaho | | Idaho |
| RCRA Corrective Action Sites in Oregon | | Oregon |
| RCRA Corrective Action Sites in Washington | | Washington |
| Reynolds Metals | Troutdale | Oregon |
| Rhone-Poulenc Incorporated | Seattle | Washington |
| Risk Management Program Overview | | Region 10 |
| River Mile 11E Early Action Area | Cottage Grove | Oregon |
| Roberts Creek | Roseburg | Oregon |
| ROD Amendment for Upper Basin and Box | | |
| ROD Amendment for Upper Basin and Box | | |
| Salem-Keizer School District Mercury Assessment | Salem | Oregon |
| Salt Chuck Mine | Prince of Wales Island | Alaska |
| Salt Chuck Mine | Prince of Wales Island | Alaska |
| San Salvador Grounding | Willamette River mile 56 | Oregon |
| Sanchez Trucking Henrys Lake Spill | | Idaho |
| SeaTac Oilspill | SeaTac | Washington |
| Seattle Municipal Landfill (Kent Highlands) | Kent | Washington |
| Silver Creek Plunge | Garden Valley | Idaho |
| Silver Mountain Mine | Loomis | Washington |
| Sitcum Waterway | | |
| Site Inspection | | Region 10 |
| Southeast Idaho Mines | Soda Springs | Idaho |
| Southeast Idaho Phosphorus Slag Program | | Idaho |
| Spill Reporting | | Region 10 |
| Spokane Junkyard and Associated Properties | Spokane | Washington |
| Standard Steel & Metals Salvage Yard (USDOT) | Anchorage | Alaska |
| Steel & Ranch Supply | Salmon | Idaho |
| Stibnite-Yellow Pine Mining Area | Stibnite | Idaho |
| Stibnite Mine Mill Building | Yellow Pine | Idaho |
| St. Maries Creosote | St. Maries | Idaho |
| Sumas Mountain Asbestos Documents | Whatcom County | Washington |
| Swift Creek - Maps & Photos | | |
| Swift Creek Asbestos Site | Whatcom County | Washington |
| Tacoma Tarpits | Tacoma | Washington |
| Talache Mine Tailings | Atlanta | Idaho |
| Taylor Lumber and Treating Site | Sheridan | Oregon |
| Teledyne Wah Chang | Albany | Oregon |
| Terminal 117 Early Action Area | | |
| Thea Foss Abandoned Drums | Tacoma | Washington |
| Thea Foss, Wheeler-Osgood Waterway | Tacoma | Washington |
| Thermo Fluids | Portland | Oregon |
| Toftdahl Drums | Brush Prairie | Washington |
| Transcripts from EPA-LSS Meeting | | |
| Triangle Park | Portland | Oregon |
| Tribal Cleanup Assistance | | Region 10 |
| Triumph Mine Tailings Piles | Hailey | Idaho |
| Tulalip Landfill | Marysville | Washington |
| Umatilla Army Depot (Lagoons) | Hermiston | Oregon |
| Union Pacific Railroad Company | Pocatello | Idaho |
| Union Pacific Railroad Tie Treating Plant | The Dalles | Oregon |
| Union Pacific Railroad Train Derailment at Kalema, OR | Kalema | Oregon |
| Union Pacific Railroad, Wallace-Mullan Branch, Northern ID. | Wallace-Mullan | Idaho |
| United Chrome Products, Inc. | Corvallis | Oregon |
| Univar | Portland | Oregon |
| Upper Columbia River Site Study | | Washington |
| US Oil Jet Fuel Spill | Tacoma | Washington |
| USAF McChord AFB American Lake Gardens | Tacoma | Washington |
| USAF McChord Air Force Base (Wash Rack Treatment Area) | Tacoma | Washington |
| USDOE BPA Ross Complex | Vancouver | Washington |
| USNAVY Naval Air Station, Whidbey Island (Ault) | Oak Harbor | Washington |
| USNAVY Naval Air Station, Whidbey Island (Seaplane) | Oak Harbor | Washington |
| USNAVY Port Hadlock Detachment Naval Ordnance Ctr Pac Div | Port Hadlock | Washington |
| Vancouver Water Station #1 Contamination | Vancouver | Washington |
| Vancouver Water Station #4 Contamination | Vancouver | Washington |
| Velco Incorporated | Eugene | Oregon |
| Vermiculite Northwest - Spokane WA | Spokane | Washington |
| Vessel OR969MU | Oregon City | Oregon |
| Victory Road Oil Spill | Meridian | Idaho |
| Wallace Yard and Spur Line | Wallace | Idaho |
| West Salem (Oregon) Preliminary Assessment | Astoria | Oregon |
| West Waterway Tributyltin (TBT) | Seattle | Washington |
| Western Processing Company, Inc. | Kent | Washington |
| Weyerhaeuser Oil Tank | Longview | Washington |
| Willanch Ranch | North Bend | Oregon |
| Wyckoff-Eagle Harbor Superfund Site | Bainbridge Island | Washington |
| Yakima Plating Company | Yakima | Washington |
| Yakima Reservation Pesticide Dump | Yakima | Washington |
| Yakima Residential Mercury Release | Yakima | Washington |
| Youngstrom Log Homes, Blackfoot, ID | Blackfoot | Idaho |