 | Site Name | City | State | Type of Site |
| Adak Naval Air Station | Adak | Alaska | NPL |
 | Alaska Battery Enterprises | Fairbanks | Alaska | Deleted NPL |
| Alcoa Smelter | Vancouver | Washington | Deleted NPL |
 | Alder Gold and Copper Mill | Twisp | Washington | Removal |
| Alexander Farms, Benton County, WA | Benton County | Washington | Removal |
 | Alley Fuels | Garden Valley | Idaho | Removal |
| Allied Plating, Inc. | Portland | Oregon | Deleted NPL |
 | American Crossarm & Conduit Co. | Chehalis | Washington | NPL |
| Anchorage Terminal Reserve | Anchorage | Alaska | NPL Equivalent |
 | Anderson-Calhoun Mine and Mill | Leadpoint | Washington | Removal |
| Arctic Surplus | Fairbanks | Alaska | NPL |
 | Arkema | Portland | Oregon | Part of NPL site |
| Arkema EECA Workplan 2007 | | | |
 | ARRCOM (Drexler Enterprises) | Rathdrum | Idaho | Deleted NPL |
| Asarco Smelter - Ruston | Tacoma | Washington | Part of NPL site |
 | Ashton Texaco Oil | Ashton | Idaho | Oil |
| Bangor Naval Submarine Base | Silverdale | Washington | NPL |
 | Bangor Ordnance Disposal (USNAVY) | Silverdale | Washington | NPL |
| Basin Oil | Seattle | Washington | Removal Assessment |
 | Beaverton Creek at Millikan | Beaverton | Oregon | Oil |
| Black Butte Mine | Cottage Grove | Oregon | Removal Assessment |
 | Blackbird Mine | Cobalt | Idaho | Proposed NPL |
| Boeing Electronics Manufacturing Facility (EMF) Superfund Site | Seattle | Washington | Removal |
 | Boeing Plant 2 |  |  |  |
| Boeing Plant 2 Stormwater Source Control Round 1 Sampling Report | | | |
 | Bonanza Mill | Colville | Washington | Site Assessment |
| Boomsnub-AIRCO | Vancouver | Washington | NPL |
 | Boomsnub 2001 Removal | Vancouver | Washington | Removal |
| BP Alaska GC1-GC2 Gathering Line Discharge | Deadhorse | Alaska | Oil |
 | BP Alaska GC1-GC2 Transmission Pipeline Discharge | Deadhorse | Alaska | Oil |
| BP Alaska ZPad Produce Water Spill | Deadhorse | Alaska | |
 | BP Prudoe Bay Drill Site 14 | Deadhorse | Alaska | Oil |
| BP Tank Truck Accident - Bellevue | Bellevue | Washington | Oil |
 | Brownfields and Alaska |  | Alaska | Brownfields |
| Brownfields and Idaho | | Idaho | Brownfields |
 | Brownfields and Washington state |  | Washington | Brownfields |
| Brownfields Cleanup & Redevelopment | | Region 10 | Information |
 | Brownfields Partners |  |  |  |
| Bunker Hill Box | | Idaho | Part of NPL site |
 | Bunker Hill Mining and Metallurgical |  | Idaho | NPL |
| Burley Products Terminal | | Idaho | Oil |
 | Burlingame Creek Oil Spill | Gresham | Oregon | Oil |
| Burns AFB Asbestos Removal | Burns | Oregon | Removal |
 | Camp Bonneville | Vancouver | Washington | BRAC |
| Centralia Municipal Landfill | Centralia | Washington | NPL |
 | Chiloquin Forest Products | Chiloquin | Oregon | Removal |
| Circle DE Lumber | Klammath Falls | Oregon | Removal |
 | CleanCare Removal Site | Tacoma | Washington | Removal |
| Cleaning up the Pacific Northwest and Alaska | | | |
 | Clear Creek-Wallowa River Spill | Wallowa | Oregon | Oil |
| Clearwater Spill | Kooskia | Idaho | Oil |
 | Coal Creek - Ross Electric | Chehalis | Washington | NPL Equivalent |
| Coeur d'Alene Basin | | Idaho | Part of NPL site |
 | Coeur d'Alene Mercury Release | Coeur d'Alene | Idaho | Response |
| Colbert Landfill | Colbert | Washington | NPL |
 | Columbia American Plating Company | Portland | Oregon | Removal |
| Colville Post and Poles, Inc. | Colville | Washington | Removal |
 | Commencement Bay-Nearshore Tideflats | Tacoma | Washington | NPL |
| Commencement Bay-South Tacoma Channel | Tacoma | Washington | NPL |
 | Cook Inlet Pipe Line Company’s Drift River Terminal Facility | Kenai | Alaska | RCRA CA |
| Directions to the Portland Harbor Superfund Field Day | | | |
 | Dorothy Avenue Mercury Site | Vancouver | Washington | Response |
| East Mission Flats Repository | Cataldo | Idaho | Information |
 | East Mission Flats Repository Frequently Asked Questions |  |  |  |
| Eastern Michaud Flats Contamination | Pocatello | Idaho | NPL |
 | Eielson Air Force Base | Fairbanks | Alaska | NPL |
| Elmendorf Air Force Base | Anchorage | Alaska | NPL |
 | Emergency Response and Preparedness |  |  |  |
| Environmental Cleanup Sites - You choose the sort! | | Region 10 | Information |
 | Euclid Road Groundwater Site | Reardan | Washington | Removal |
| Fairchild Air Force Base (4 Waste Areas) | Spokane | Washington | NPL |
 | Five Year Reviews |  | Region 10 | Information |
| FMC Corp. (Yakima Pit) | Yakima | Washington | NPL |
 | Formosa Mine: Douglas County, Oregon | Douglas County | Oregon | NPL |
| Fort Hill Gasoline Release to South Yamhill River | Fort Hill | Oregon | Oil |
 | Fort Lewis Logistics Center | Fort Lewis | Washington | NPL |
| Fort Lewis (Landfill No. 5) | Fort Lewis | Washington | Deleted NPL |
 | Fort Richardson (USArmy) | Anchorage | Alaska | NPL |
| Fort Wainwright | Fort Wainwright | Alaska | NPL |
 | Franke's Laundromat | Caldwell | Idaho | Removal |
| Fremont Nat. Forest Uranium Mines (USDA) | Lakeview | Oregon | NPL |
 | Frequently Asked Questions about Sumas Mountain Asbestos, Swift Creek and Sumas River |  |  |  |
| Frontier Hard Chrome, Inc. | Vancouver | Washington | NPL |
 | Gasco-Siltronic | Portland | Oregon | Part of NPL site |
| Gem County-South Slope Road Oil Spill | Gem County | Idaho | Oil |
 | General Electric Co. (Spokane Shop) | Spokane | Washington | NPL |
| Gould, Inc. | Portland | Oregon | Deleted NPL |
 | Grandview Pesticide Fire |  | Washington | Removal |
| Grant Warehouse, Portland, Oregon | Portland | Oregon | Removal |
 | Greenacres Landfill | Spokane | Washington | NPL |
| Hamilton-LaBree Roads GW Contamination | Chehalis | Washington | NPL |
 | Hamilton Island Landfill (USA/COE) | North Bonneville | Washington | Deleted NPL |
| Hanford - Washington | Richland | Washington | NPL |
 | Hanford 100-Area (USDOE) | Richland | Washington | NPL |
| Hanford 1100-Area (USDOE) | Richland | Washington | Deleted NPL |
 | Hanford 200-Area (USDOE) | Richland | Washington | NPL |
| Hanford 300-Area (USDOE) | Richland | Washington | NPL |
 | Harbor Island (Lead) | Seattle | Washington | NPL |
| Harbor Oil Inc. | Portland | Oregon | NPL |
 | Harrisburg Jet Fuel Spill | Harrisburg | Oregon | Removal |
| Hermiston Lab | Hermiston | Oregon | Removal |
 | Hidden Valley Landfill (Thun Field) | Puyallup | Washington | NPL |
| Holden Mine | Chelan | Washington | Mining |
 | Horse Creek Mystery Spill | Bothell | Washington | Removal |
| Hwy 28 Tank Truck Spill | Salmon | Idaho | Oil |
 | Hylebos Waterway | Tacoma | Washington | Part of NPL site |
| H&M Oil Site | Pocatello | Idaho | Oil |
 | Idaho Conjecture Mine | Bonner County | Idaho | Removal |
| Idaho Hwy 55 Orr Trucking Spill | Smiths Ferry | Idaho | Response |
 | Idaho Lakeview Mine | Lakeview | Idaho | Removal |
| Idaho Lakeview Mine & Mill | Lakeview | Idaho | Oil |
 | Idaho National Laboratory (USDOE) | Scoville | Idaho | NPL |
| Industrial Chrome Plating | Portland | Oregon | Removal |
 | Issaquah Mini-Storage Response | Issaquah | Washington | Response |
| Jackson Park Housing Complex (USNAVY) | Bremerton | Washington | NPL |
 | Japanese Auto Wrecking | Kent | Washington | Removal |
| Jorgensen Forge Superfund Site | Seattle, Washington | Washington | Part of NPL site |
 | Joseph Forest Products | Joseph | Oregon | Deleted NPL |
| Junior's Trucking Tire Fire | Skyway | Washington | Response |
 | K-Lines Inc. Preliminary Assessment | Lake Oswego | Oregon | Site Assessment |
| Kaaba-Texas Mine Removal, Nighthawk, WA | Nighthawk | Washington | Removal |
 | Kaiser Aluminum Mead Works | Mead | Washington | NPL |
| Keller Transportation | Mile Post 132 of Highway 12 | Idaho | Oil |
 | Kerr-McGee Chemical Corporation | Soda Springs | Idaho | NPL |
| Ketchikan Pulp Company | Ketchikan | Alaska | NPL Equivalent |
 | Koopman Dairy | Enumclaw | Washington | Removal |
| Kuparuk Flowline Spill DS2M | Anchorage | Alaska | Oil |
 | Lacamas Explosion-Fire | Portland | Oregon | Response |
| Lake Tapps Abandoned Drums | Lake Tapps | Washington | Response |
 | Lake Washington Dry Docks | Seattle | Washington | Response |
| Lakewood Site | Lakewood | Washington | NPL |
 | Le Roi Smelter | Northport | Washington | Removal |
| Lockheed West Seattle | Seattle | Washington | NPL |
 | Lower Duwamish Waterway Site | Seattle | Washington | NPL |
| Malarkey Asphalt Company | Seattle | Washington | Removal |
 | Martin-Marietta Aluminum Company | The Dalles | Oregon | Deleted NPL |
| McCormick and Baxter Creosoting Company | Portland | Oregon | NPL |
 | McKenzie Fast Water Boom Training | Eugene | Oregon | Training |
| Mica Landfill | Mica | Washington | NPL |
 | Middle Waterway | Tacoma WA | Washington | Part of NPL site |
| Midnite Mine | Wellpinit | Washington | NPL |
 | Midway Landfill | Kent | Washington | NPL |
| Minnie Moore Mine | Bellevue | Idaho | Removal |
 | Monsanto Chemical Company | Soda Springs | Idaho | NPL |
| Moses Lake Wellfield Contamination | Moses Lake | Washington | NPL |
 | Mountain Home Air Force Base | Mountain Home | Idaho | NPL |
| Naval Undersea Warfare Center (4 Areas) | Keyport | Washington | NPL |
 | North Market Street | Spokane | Washington | NPL |
| North Ridge Estates 2005 Fund Lead Removal | Klammath Falls | Oregon | Removal |
 | North Ridge Estates Asbestos Site | Klamath Falls | Oregon | Removal |
| Northside Landfill | Spokane | Washington | NPL |
 | Northwest Gas and Go | Sandpoint | Idaho | Oil |
| Northwest Pipe and Casing Company-Hall Process Company | Milwaukie | Oregon | NPL |
 | Northwest Transformer (Mission Pole) | Everson | Washington | Deleted NPL |
| Nortwest Transformer (South Harkness Street) | Everson | Washington | Deleted NPL |
 | Oeser Company | Bellingham | Washington | NPL |
| Office of Environmental Cleanup | | | |
 | Old Inland Pit | Spokane | Washington | NPL |
| Old Navy Dump/Manchester Lab (USEPA/NOAA) | Manchester | Washington | NPL |
 | Olympic Pipeline Sample Line Gasoline Spill | Renton | Washington | Oil |
| Olympic View Removal Action and Monitoring | Tacoma | Washington | Part of NPL site |
 | Pacific Car and Foundry (PACCAR) | Renton | Washington | NPL |
| Pacific Hide and Fur Recycling Company | Pacatello | Idaho | Deleted NPL |
 | Pacific Sound Resources | Seattle | Washington | NPL |
| Palermo Well Field Groundwater Contamination | Tumwater | Washington | NPL |
 | Pasco Sanitary Landfill | Pasco | Washington | NPL |
| Payette River | Boise | Idaho | Removal |
 | Perchlorate in Eastern Oregon | Umatilla | Oregon | Site Assessment |
| Pesticide Lab (Yakima) | Yakima | Washington | Deleted NPL |
 | PM Northwest Removal Site | Fidalgo Island | Washington | Removal |
| Poles, Incorporated Integrated Assessment | Oldtown | Idaho | |
 | Portland Harbor - T4 | Portland | Oregon | Part of NPL site |
| Portland Harbor Superfund Field Day at Cathedral Park | | | |
 | Portland Harbor Superfund Field Day Information |  |  |  |
| Portland Harbor, Oregon | Portland | Oregon | NPL |
 | Preliminary Assessments |  | Region 10 | Site Assessment |
| Puget Sound Naval Shipyard Complex | Bremerton | Washington | NPL |
 | Queen City Farms | Maple Valley | Washington | NPL |
| Quendall Terminals | Renton | Washington | Site Assessment |
 | RCRA Corrective Action Sites in Alaska |  | Alaska | RCRA CA |
| RCRA Corrective Action Sites in Idaho | | Idaho | RCRA CA |
 | RCRA Corrective Action Sites in Oregon |  | Oregon | RCRA CA |
| RCRA Corrective Action Sites in Washington | | Washington | RCRA CA |
 | Region 10 Risk Management Program |  | Region 10 | Information |
| Reynolds Metals | Troutdale | Oregon | NPL |
 | Rhone-Poulenc Incorporated | Seattle | Washington | RCRA CA |
| Risk Management Program Overview | | Region 10 | Information |
 | Roberts Creek | Roseburg | Oregon | Oil |
| ROD Amendment for Upper Basin and Box | | | |
 | Salem-Keizer School District Mercury Assessment | Salem | Oregon | Removal |
| Salt Chuck Mine | Prince of Wales Island | Alaska | Proposed NPL |
 | San Salvador Grounding | Willamette River mile 56 | Oregon | Oil |
| Sanchez Trucking Henrys Lake Spill | | Idaho | Oil |
 | SeaTac Oilspill | SeaTac | Washington | Oil |
| Seattle Municipal Landfill (Kent Highlands) | Kent | Washington | NPL |
 | Silver Creek Plunge | Garden Valley | Idaho | Oil |
| Silver Mountain Mine | Loomis | Washington | Deleted NPL |
 | Site Inspection |  | Region 10 | Site Assessment |
| Southeast Idaho Phosphorus Slag Program | | Idaho | |
 | Spill Reporting |  | Region 10 | Information |
| Spokane Junkyard and Associated Properties | Spokane | Washington | Deleted NPL |
 | Standard Steel & Metals Salvage Yard (USDOT) | Anchorage | Alaska | Deleted NPL |
| Steel & Ranch Supply | Salmon | Idaho | Removal |
 | Stibnite-Yellow Pine Mining Area | Stibnite | Idaho | Proposed NPL |
| Stibnite Mine Mill Building | Yellow Pine | Idaho | Removal |
 | St. Maries Creosote | St. Maries | Idaho | Proposed NPL |
| Sumas Mountain Asbestos Documents | Whatcom County | Washington | Site Assessment |
 | Superfund Field Day Frequently Asked Questions |  |  |  |
| Swift Creek - Maps & Photos | | | |
 | Swift Creek Asbestos Site | Whatcom County | Washington | Site Assessment |
| Tacoma Tarpits | Tacoma | Washington | Part of NPL site |
 | Talache Mine Tailings | Atlanta | Idaho | Mining |
| Targeted Brownfields Job Development/Training Workshop Offered August 28-29 in Portland | | | |
 | Taylor Lumber & Treating Site | Sheridan | Oregon | NPL |
| Teledyne Wah Chang | Albany | Oregon | NPL |
 | Thea Foss Abandoned Drums | Tacoma | Washington | Removal |
| Thea Foss, Wheeler-Osgood Waterway | Tacoma | Washington | Part of NPL site |
 | Thermo Fluids | Portland | Oregon | Oil |
| Time Critical Responses (Removals) | | Region 10 | Removal |
 | Toftdahl Drums | Brush Prairie | Washington | Deleted NPL |
| Transcripts from EPA-LSS Meeting | | | |
 | Triangle Park | Portland | Oregon | Part of NPL site |
| Tribal Cleanup Assistance | | Region 10 | Information |
 | Triumph Mine Tailings Piles | Hailey | Idaho | Removed from NPL |
| Tulalip Landfill | Marysville | Washington | Deleted NPL |
 | Umatilla Army Depot (Lagoons) | Hermiston | Oregon | NPL |
| Union Pacific Railroad Company | Pocatello | Idaho | Deleted NPL |
 | Union Pacific Railroad Tie Treating Plant | The Dalles | Oregon | NPL |
| Union Pacific Railroad Train Derailment at Kalema, OR | Kalema | Oregon | Oil |
 | Union Pacific Railroad, Wallace-Mullan Branch, Northern ID. | Wallace-Mullan | Idaho | Removal |
| United Chrome Products, Inc. | Corvallis | Oregon | NPL |
 | Univar | Portland | Oregon | RCRA CA |
| Upper Columbia River | | Washington | Remedial |
 | US Oil Jet Fuel Spill | Tacoma | Washington | Oil |
| USAF McChord AFB American Lake Gardens | Tacoma | Washington | NPL |
 | USAF McChord Air Force Base (Wash Rack Treatment Area) | Tacoma | Washington | Deleted NPL |
| USDOE BPA Ross Complex | Vancouver | Washington | Deleted NPL |
 | USNAVY Naval Air Station, Whidbey Island (Ault) | Oak Harbor | Washington | NPL |
| USNAVY Naval Air Station, Whidbey Island (Seaplane) | Oak Harbor | Washington | Deleted NPL |
 | USNAVY Port Hadlock Detachment Naval Ordnance Ctr Pac Div | Port Hadlock | Washington | NPL |
| Vancouver Water Station #1 Contamination | Vancouver | Washington | NPL |
 | Vancouver Water Station #4 Contamination | Vancouver | Washington | NPL |
| Velco Incorporated | Eugene | Oregon | RCRA CA |
 | Vermiculite Northwest - Spokane WA | Spokane | Washington | Site Assessment |
| Vessel OR969MU | Oregon City | Oregon | Oil |
 | Victory Road Oil Spill | Meridian | Idaho | Oil |
| Wallace Yard and Spur Line | Wallace | Idaho | Removal |
 | West Waterway Tributyltin (TBT) | Seattle | Washington | Part of NPL site |
| Western Processing Company, Inc. | Kent | Washington | NPL |
 | Weyerhaeuser Oil Tank | Longview | Washington | Oil |