# List of lakes of Washington

This is a list of natural lakes and reservoirs located fully or partially in the U.S. state of Washington. Natural lakes that have been altered with a dam, such as Lake Chelan, are included as lakes, not reservoirs. Swimming, fishing, and/or boating are permitted in some of these lakes, but not all.
* Lake Chelan
* Lake Washington
* Lake Crescent
* Palmer Lake
* Lake Quinault
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)

## Natural lakes

Currently included in this table are all natural and enhanced lakes with a surface area of more than 1,000 acres or a volume of more than 25,000 acre feet as well as smaller lakes (down to 100 acres) with a Wikipedia page.
| Name | County(s) | Elev. (ft) | Area (acres) | Volume (acre ft) | Depth (max)(ft) | Outflow | Basin | Coordinates |
| Lake Chelan | Chelan | 1,102 | 33,000 | 15,800,000 | 1,486 | Chelan River | Columbia / Chelan | 48°01′37″N 120°20′17″W﻿ / ﻿48.027°N 120.338°W﻿ / 48.027; -120.338﻿ (Lake Chelan) |
| Lake Washington | King | 17 | 22,000 | 2,400,000 | 214 | Lake Washington Ship Canal | Lake Washington | 47°37′19″N 122°15′22″W﻿ / ﻿47.622°N 122.256°W﻿ / 47.622; -122.256﻿ (Lake Washington) |
| Lake Ozette | Clallam | 33 | 7,400 | 960,000 | 331 | Ozette River | Ozette River | 48°05′42″N 124°38′13″W﻿ / ﻿48.095°N 124.637°W﻿ / 48.095; -124.637﻿ (Lake Ozette) |
| Moses Lake | Grant | 1,050 | 6,800 | 130,000 | 38 | Crab Creek | Columbia / Crab Creek | 47°07′26″N 119°20′20″W﻿ / ﻿47.124°N 119.339°W﻿ / 47.124; -119.339﻿ (Moses Lake) |
| Osoyoos Lake | Okanogan / B.C.‡ | 911 | 5,800 | 270,000 | 208 | Okanogan River | Columbia / Okanogan | 49°00′00″N 119°26′38″W﻿ / ﻿49°N 119.444°W﻿ / 49; -119.444﻿ (Osoyoos Lake) |
| Lake Crescent | Clallam | 584 | 5,100 | 1,500,000 | 624 | Lyre River | Lyre River | 48°03′36″N 123°49′41″W﻿ / ﻿48.06°N 123.828°W﻿ / 48.06; -123.828﻿ (Lake Crescent) |
| Lake Whatcom | Whatcom | 312 | 4,900 | 770,000 | 328 | Whatcom Creek | Bellingham Bay | 48°44′02″N 122°19′52″W﻿ / ﻿48.734°N 122.331°W﻿ / 48.734; -122.331﻿ (Lake Whatcom) |
| Lake Sammamish | King | 30 | 4,900 | 284,000 | 105 | Sammamish River | Lake Washington | 47°35′38″N 122°05′53″W﻿ / ﻿47.594°N 122.098°W﻿ / 47.594; -122.098﻿ (Lake Sammamish) |
| Cle Elum Lake | Kittitas | 2,227 | 4,800 | 520,000 | 260 | Cle Elum River | Columbia / Yakima | 47°16′01″N 121°05′38″W﻿ / ﻿47.267°N 121.094°W﻿ / 47.267; -121.094﻿ (Cle Elum Lake) |
| Baker Lake | Whatcom | 705 | 4,800 | 285,000 | | Baker River | Skagit River | 48°45′54″N 121°32′34″W﻿ / ﻿48.765°N 121.542778°W﻿ / 48.765; -121.542778﻿ (Baker Lake) |
| Kachess Lake | Kittitas | 2,258 | 4,500 | 550,000 | 410 | Kachess River | Columbia / Yakima | 47°19′01″N 121°14′17″W﻿ / ﻿47.317°N 121.238°W﻿ / 47.317; -121.238﻿ (Kachess Lake) |
| Lake Cushman | Mason | 739 | 4,010 | | 115 | Skokomish River | | 47°28′48″N 123°15′0″W |
| Lake Quinault | Grays Harbor | 186 | 3,550 | 496,000 | 240 | Quinault River | Quinault River | 47°28′26″N 123°52′16″W﻿ / ﻿47.474°N 123.871°W﻿ / 47.474; -123.871﻿ (Lake Quinault) |
| Omak Lake | Okanogan | 958 | 3,250 | 700,000 | 325 | None | Columbia Basin | 48°16′37″N 119°23′56″W﻿ / ﻿48.277°N 119.399°W﻿ / 48.277; -119.399﻿ (Omak Lake) |
| Keechelus Lake | Kittitas | 2,521 | 2,600 | 250,000 | 310 | Yakima River | Columbia / Yakima | 47°19′37″N 121°21′07″W﻿ / ﻿47.327°N 121.352°W﻿ / 47.327; -121.352﻿ (Keechelus Lake) |
| Spirit Lake | Skamania | 3,440 | 2,600 | 212,000 | 110 | North Fork Toutle River | Columbia / Cowlitz | 46°16′08″N 122°08′28″W﻿ / ﻿46.269°N 122.141°W﻿ / 46.269; -122.141﻿ (Spirit Lake) |
| Lake Wenatchee | Chelan | 1,872 | 2,500 | 360,000 | 244 | Wenatchee River | Columbia / Wenatchee | 47°49′23″N 120°46′41″W﻿ / ﻿47.823°N 120.778°W﻿ / 47.823; -120.778﻿ (Lake Wenatchee) |
| Lake Tapps | Pierce | 546 | 2,430 | 47,000 | 90 | White River | Puyallup River | 47°12′50″N 122°10′08″W﻿ / ﻿47.214°N 122.169°W﻿ / 47.214; -122.169﻿ (Lake Tapps) |
| Silver Lake | Cowlitz | 489 | 2,300 | 13,000 | 10 | Outlet Creek | Columbia / Cowlitz | 46°17′24″N 122°47′56″W﻿ / ﻿46.29°N 122.799°W﻿ / 46.29; -122.799﻿ (Silver Lake) |
| Vancouver Lake | Clark | 8 | 2,300 | 6,900 | 15 | Lake River | Columbia Basin | 45°40′26″N 122°43′05″W﻿ / ﻿45.674°N 122.718°W﻿ / 45.674; -122.718﻿ (Vancouver Lake) |
| Rock Lake | Whitman | 1,728 | 2,200 | 380,000 | 350 | Rock Creek | Columbia / Snake | 47°10′55″N 117°40′48″W﻿ / ﻿47.182°N 117.68°W﻿ / 47.182; -117.68﻿ (Rock Lake) |
| Palmer Lake | Okanogan | 1,150 | 2,100 | 110,000 | 79 | Palmer Creek | Columbia / Okanogan | 48°53′35″N 119°37′08″W﻿ / ﻿48.893°N 119.619°W﻿ / 48.893; -119.619﻿ (Palmer Lake) |
| Twin Lakes | Ferry | 2,572 | 1,900 | 33,000 | 50 | Stranger Creek | Columbia Basin | 48°16′34″N 118°22′48″W﻿ / ﻿48.276°N 118.38°W﻿ / 48.276; -118.38﻿ (Twin Lakes) |
| Chester Morse Lake | King | 1,562 | 1,830 | 94,000 | 130 | Cedar River | Lake Washington | 47°23′13″N 121°42′11″W﻿ / ﻿47.387°N 121.703°W﻿ / 47.387; -121.703﻿ (Chester Morse Lake) |
| Sprague Lake | Adams / Lincoln | 1,882 | 1,800 | 19,000 | 20 | Cow Creek | Columbia / Snake | 47°15′36″N 118°03′58″W﻿ / ﻿47.26°N 118.066°W﻿ / 47.26; -118.066﻿ (Sprague Lake) |
| Lenore Lake | Grant | 1,078 | 1,400 | 20,000 | 27 | Soap Lake | Columbia / Crab Creek | 47°29′13″N 119°31′01″W﻿ / ﻿47.487°N 119.517°W﻿ / 47.487; -119.517﻿ (Lenore Lake) |
| Deer Lake | Stevens | 2,482 | 1,150 | 60,000 | 80 | Sheep Creek | Columbia / Colville | 48°06′43″N 117°35′13″W﻿ / ﻿48.112°N 117.587°W﻿ / 48.112; -117.587﻿ (Deer Lake) |
| American Lake | Pierce | 238 | 1,100 | 60,000 | 90 | Sequalitchew Creek | 47°07′30″N 122°33′43″W﻿ / ﻿47.125°N 122.562°W﻿ / 47.125; -122.562﻿ (American Lake) | |
| Loon Lake | Stevens | 2,385 | 1,100 | 51,000 | 105 | Sheep Creek | Columbia / Colville | 48°02′42″N 117°37′19″W﻿ / ﻿48.045°N 117.622°W﻿ / 48.045; -117.622﻿ (Loon Lake) |
| Newman Lake | Spokane | 2,130 | 1,100 | 23,000 | 30 | Newman Lake Peat Dike | | 47°46′37″N 117°06′04″W﻿ / ﻿47.777°N 117.101°W﻿ / 47.777; -117.101﻿ (Newman Lake) |
| Lake Stevens | Snohomish | 214 | 1,000 | 65,000 | 160 | Catherine Creek | Snohomish River | 48°00′14″N 122°05′06″W﻿ / ﻿48.004°N 122.085°W﻿ / 48.004; -122.085﻿ (Lake Stevens) |
| Mason Lake | Mason | 197 | 1,000 | 49,000 | 90 | Sherwood Creek | Puget Sound | 47°20′06″N 122°57′29″W﻿ / ﻿47.335°N 122.958°W﻿ / 47.335; -122.958﻿ (Mason Lake) |
| Curlew Lake | Ferry | 2,354 | 920 | 40,000 | 130 | Curlew Creek | Columbia / Kettle | 48°44′02″N 118°39′58″W﻿ / ﻿48.734°N 118.666°W﻿ / 48.734; -118.666﻿ (Curlew Lake) |
| Soap Lake | Grant | 1,074 | 850 | 29,000 | 95 | None | Columbia / Crab Creek | 47°24′22″N 119°29′49″W﻿ / ﻿47.406°N 119.497°W﻿ / 47.406; -119.497﻿ (Soap Lake) |
| Lake Cavanaugh | Skagit | 1,012 | 830 | 36,000 | 80 | Lake Creek | Stillaguamish River | 48°19′16″N 122°00′36″W﻿ / ﻿48.321°N 122.01°W﻿ / 48.321; -122.01﻿ (Lake Cavanaugh) |
| Lake Samish | Whatcom | 274 | 810 | 33,100 | 160 | Friday Creek | Bellingham Bay | 48°39′54″N 122°23′06″W﻿ / ﻿48.665°N 122.385°W﻿ / 48.665; -122.385﻿ (Lake Samish) |
| Coldwater Lake | Cowlitz / Skamania | 2,494 | 770 | 58,500 | 200 | Coldwater Creek | Columbia / Cowlitz | 46°18′11″N 122°14′24″W﻿ / ﻿46.303°N 122.24°W﻿ / 46.303; -122.24﻿ (Coldwater Lake) |
| Bead Lake | Pend Oreille | 2,833 | 720 | 77,000 | 180 | None | Columbia / Pend Oreille | 48°17′53″N 117°06′47″W﻿ / ﻿48.298°N 117.113°W﻿ / 48.298; -117.113﻿ (Bead Lake) |
| Liberty Lake | Spokane | 2,073 | 708 | | 30 | Spokane Valley-Rathdrum Prairie Aquifer | Columbia / Spokane | 47°38′42″N 117°04′41″W﻿ / ﻿47.645°N 117.078°W﻿ / 47.645; -117.078﻿ (Liberty Lake) |
| Lake Union | King | 17 | 580 | 20,000 | 50 | Fremont Cut | Lake Washington | 47°38′28″N 122°20′06″W﻿ / ﻿47.641°N 122.335°W﻿ / 47.641; -122.335﻿ (Lake Union) |
| Buffalo Lake | Okanogan | 2,402 | 540 | 33,700 | 121 | None | Columbia Basin | 48°03′50″N 118°53′17″W﻿ / ﻿48.064°N 118.888°W﻿ / 48.064; -118.888﻿ (Buffalo Lake) |
| Lake Goodwin | Snohomish | 328 | 540 | 13,000 | 50 | Tulalip Creek | Puget Sound | 48°08′31″N 122°17′46″W﻿ / ﻿48.142°N 122.296°W﻿ / 48.142; -122.296﻿ (Lake Goodwin) |
| Summit Lake | Thurston | 459 | 510 | 28,000 | 100 | Kennedy Creek | Puget Sound | 47°03′22″N 123°06′11″W﻿ / ﻿47.056°N 123.103°W﻿ / 47.056; -123.103﻿ (Summit Lake) |
| Lake Kapowsin | Pierce | 585 | 510 | 8,300 | 29 | Kapowsin Creek | Puyallup River | 46°58′23″N 122°13′37″W﻿ / ﻿46.973°N 122.227°W﻿ / 46.973; -122.227﻿ (Lake Kapowsin) |
| Lake Pleasant | Clallam | 397 | 500 | 16,000 | 50 | Lake Creek to Sol Duc River | Quillayute River | 48°03′50″N 124°19′44″W﻿ / ﻿48.064°N 124.329°W﻿ / 48.064; -124.329﻿ (Lake Pleasant) |
| Packwood Lake | Lewis | 2,857 | 450 | 28,000 | 120 | Lake Creek | Columbia / Cowlitz | 46°35′13″N 121°33′29″W﻿ / ﻿46.587°N 121.558°W﻿ / 46.587; -121.558﻿ (Packwood Lake) |
| Walupt Lake | Lewis | 3,930 | 380 | 62,000 | 300 | Walupt Creek | Columbia / Cowlitz | 46°25′01″N 121°27′47″W﻿ / ﻿46.417°N 121.463°W﻿ / 46.417; -121.463﻿ (Lake Walupt) |
| Lake Sutherland | Clallam | 528 | 360 | 21,000 | 86 | Indian Creek | Elwha River | 48°04′44″N 123°42′54″W﻿ / ﻿48.079°N 123.715°W﻿ / 48.079; -123.715﻿ (Lake Sutherland) |
| Lake Lawrence | Thurston | 429 | 330 | 4,400 | 26 | Deschutes River | Puget Sound | 46°51′07″N 122°34′16″W﻿ / ﻿46.852°N 122.571°W﻿ / 46.852; -122.571﻿ (Lake Lawrence) |
| Long Lake | Thurston | 160 | 310 | 3,900 | 21 | Woodland Creek | Puget Sound | 47°01′12″N 122°46′30″W﻿ / ﻿47.02°N 122.775°W﻿ / 47.02; -122.775﻿ (Long Lake) |
| Conconully Lake | Okanogan | 2323 | 293 | | 110 | Salmon Creek | Okanogan River | 48°33′49″N 119°43′11″W﻿ / ﻿48.563477°N 119.719804°W﻿ / 48.563477; -119.719804﻿ (Conconully Lake) |
| Lacamas Lake | Clark | 182 | 290 | 7,500 | 65 | Lacamas Creek | Columbia / Washougal | 45°37′01″N 122°25′34″W﻿ / ﻿45.617°N 122.426°W﻿ / 45.617; -122.426﻿ (Lacamas Lake) |
| Lake Sawyer | King | 498 | 286 | | 58 | Covington Creek | Duwamish | 47°19′59″N 122°02′16″W﻿ / ﻿47.333°N 122.0377°W﻿ / 47.333; -122.0377﻿ (Lake Sawyer) |
| Nahwatzel Lake | Mason | 456 | 270 | 4,600 | 25 | Outlet Creek -> Satsop River | Chehalis River | 47°14′31″N 123°19′59″W﻿ / ﻿47.242°N 123.333°W﻿ / 47.242; -123.333﻿ (Nahwatzel Lake) |
| Capitol Lake | Thurston | 3 | 270 | 2,400 | 20 | Budd Inlet | Puget Sound | 47°01′59″N 122°54′32″W﻿ / ﻿47.033°N 122.909°W﻿ / 47.033; -122.909﻿ (Capitol Lake) |
| Lake Dorothy | King | 3,062 | 260 | ca 15,000? | 160 | Miller River | Snohomish River | 47°34′48″N 121°23′10″W﻿ / ﻿47.58°N 121.386°W﻿ / 47.58; -121.386﻿ (Lake Dorothy) |
| Green Lake | King | 164 | 250 | 3,400 | 30 | Bef. 1916: Ravenna Creek | Lake Washington | 47°40′41″N 122°20′17″W﻿ / ﻿47.678°N 122.338°W﻿ / 47.678; -122.338﻿ (Green Lake) |
| Lake Easton | Kittitas | 2,184 | 205 | 4,000 | 85 | Kachess River | Columbia / Yakima | 47°15′00″N 121°11′56″W﻿ / ﻿47.25°N 121.199°W﻿ / 47.25; -121.199﻿ (Lake Easton) |
| Angeline Lake | King | 4,613 | 184 | >20,000 | 412 | Angeline Falls, Foss River | Snohomish River | 47°34′16″N 121°18′25″W﻿ / ﻿47.571°N 121.307°W﻿ / 47.571; -121.307﻿ (Angeline Lake) |
| Big Heart Lake | King | 4,549 | 176 | >20,000 | 449 | Big Heart Falls, Foss River | Snohomish River | 47°34′44″N 121°19′30″W﻿ / ﻿47.579°N 121.325°W﻿ / 47.579; -121.325﻿ (Big Heart Lake) |
| Silver Lake | Whatcom | 6,768 | 162 | ca 25,000? | 522 | Silver Creek | Skagit River | 48°59′17″N 121°13′55″W﻿ / ﻿48.988°N 121.232°W﻿ / 48.988; -121.232﻿ (Silver Lake) |
| Blanca Lake | Snohomish | 3,976 | 160 | 25,000 | 250 | Troublesome Creek | Snohomish River | 47°56′28″N 121°20′28″W﻿ / ﻿47.941°N 121.341°W﻿ / 47.941; -121.341﻿ (Blanca Lake) |
| Snow Lake | King | 4,019 | 153 | 16,500 | 400 | Rock Creek | Snoqualmie River | 47°28′05″N 121°27′22″W﻿ / ﻿47.468°N 121.456°W﻿ / 47.468; -121.456﻿ (Snow Lake) |
| Lake Meridian | King | 372 | 150 | 6,100 | 90 | Big Soos Creek | Duwamish River | 47°21′47″N 122°09′11″W﻿ / ﻿47.363°N 122.153°W﻿ / 47.363; -122.153﻿ (Lake Meridian) |
| Lake Padden | Whatcom | 450 | 149 | 4,300 | 59 | Padden Creek | Bellingham Bay | 48°42′11″N 122°27′14″W﻿ / ﻿48.703°N 122.454°W﻿ / 48.703; -122.454﻿ (Lake Padden) |
| Gravelly Lake | Pierce | 220 | 147 | 6,000 | 57 | None | Chambers Creek | 47°08′53″N 122°31′52″W﻿ / ﻿47.148°N 122.531°W﻿ / 47.148; -122.531﻿ (Gravelly Lake) |
| Chopaka Lake | Okanogan | 2,911 | 140 | 3,700 | 73 | Chopaka Creek | Columbia / Okanogan | 48°55′05″N 119°42′00″W﻿ / ﻿48.918°N 119.7°W﻿ / 48.918; -119.7﻿ (Chopaka Lake) |
| Snoqualmie Lake | King | 3,151 | 130 | ? | ? | Taylor River | Snoqualmie River | 47°34′01″N 121°24′47″W﻿ / ﻿47.567°N 121.413°W﻿ / 47.567; -121.413﻿ (Snoqualmie Lake) |
| Berdeen Lake | Whatcom | 5,018 | 126 | ca 10,000? | 212 | Berdeen Falls, Bacon Creek | Skagit River | 48°42′58″N 121°27′54″W﻿ / ﻿48.716°N 121.465°W﻿ / 48.716; -121.465﻿ (Berdeen Lake) |
| Mowich Lake | Pierce | 4,929 | 120 | ca 4,000? | 90 | Crater Creek | Puyallup River | 46°56′17″N 121°51′43″W﻿ / ﻿46.938°N 121.862°W﻿ / 46.938; -121.862﻿ (Mowich Lake) |
| Rattlesnake Lake | King | 911 | 108 | 2,700 | 54 | None | Lake Washington | 47°25′48″N 121°46′30″W﻿ / ﻿47.43°N 121.775°W﻿ / 47.43; -121.775﻿ (Rattlesnake Lake) |
| Angle Lake | King | 351 | 103 | 2,600 | 52 | None | Duwamish River | 47°25′41″N 122°17′13″W﻿ / ﻿47.428°N 122.287°W﻿ / 47.428; -122.287﻿ (Angle Lake) |
| Lake Ballinger | Snohomish | 282 | 101 | 1,500 | 35 | McAleer Creek | Lake Washington | 47°46′55″N 122°19′37″W﻿ / ﻿47.782°N 122.327°W﻿ / 47.782; -122.327﻿ (Lake Ballinger) |
| Horseshoe Lake | Kitsap | 273 | 41 | | 30 | Burley Creek | Puget Sound | 47°24′30″N 122°39′52″W﻿ / ﻿47.408221°N 122.664339°W﻿ / 47.408221; -122.664339﻿ (Horseshoe Lake (Kitsap County, Washington)) |
| Battle Ground Lake | Clark | 509 | 25 | | 60 | Salmon Creek | Columbia / Salmon Creek | 45°48′16″N 122°29′40″W﻿ / ﻿45.80454°N 122.49447°W﻿ / 45.80454; -122.49447﻿ (Battle Ground Lake) |
| Round Lake | Clark | | | | | Lacamas Creek | Columbia / Washougal | 45°36′07″N 122°24′11″W﻿ / ﻿45.6019904°N 122.4031767°W﻿ / 45.6019904; -122.4031767﻿ (Round Lake) |
| Doubtful Lake | Chelan | | | | | | | 48°28′27″N 121°02′52″W﻿ / ﻿48.4740347°N 121.0476972°W﻿ / 48.4740347; -121.0476972 |
| Dagger Lake | Chelan | | | | | | | 48°28′05″N 120°39′18″W﻿ / ﻿48.4681455°N 120.6551062°W﻿ / 48.4681455; -120.6551062 |
| Howard Lake | Chelan | | | | | | | 48°23′19″N 120°50′00″W﻿ / ﻿48.388601°N 120.83345°W﻿ / 48.388601; -120.83345 |
| Green View Lake | Chelan | | | | | | | 48°28′06″N 120°53′37″W﻿ / ﻿48.4682456°N 120.8936430°W﻿ / 48.4682456; -120.8936430 |

## Reservoirs

| Name | County(s) | Coordinates | Total storage (acre feet) | Surface area (acres) | Max depth (feet) | Outflow |
| Franklin D. Roosevelt Lake | Douglas, Ferry, Stevens, Lincoln, Grant, Okanogan | 47°56′46.2″N 118°55′56″W﻿ / ﻿47.946167°N 118.93222°W﻿ / 47.946167; -118.93222﻿ (Franklin D. Roosevelt Lake) | 9,386,000 | 79,400 | 400 | Columbia River |
| Lake Umatilla | Klickitat, Sherman (OR)†, Gilliam (OR)†, Morrow (OR)†, Benton, Umatilla (OR)† | 45°43′32″N 120°12′44″W﻿ / ﻿45.72556°N 120.21222°W﻿ / 45.72556; -120.21222﻿ (Lake Umatilla) | | 48,738 | | Columbia River |
| Riffe Lake | Lewis | 46°27′59″N 122°16′4″W﻿ / ﻿46.46639°N 122.26778°W﻿ / 46.46639; -122.26778﻿ (Riffe Lake) | 1,686,300 | 11,830 | 360 | Cowlitz River |
| Alder Lake | Pierce, Thurston | 46°46′15″N 122°16′20″W﻿ / ﻿46.77083°N 122.27222°W﻿ / 46.77083; -122.27222﻿ (Alder Lake) | | 3065 | 290 | Nisqually River |
| Ross Lake | Whatcom, British Columbia‡ | 48°52′6″N 121°1′47″W﻿ / ﻿48.86833°N 121.02972°W﻿ / 48.86833; -121.02972﻿ (Ross Lake) | 1,435,000 | 11,700 | | Skagit River |
| Lake Wallula | Benton, Walla Walla, Umatilla (OR)† | 45°57′17″N 119°3′53″W﻿ / ﻿45.95472°N 119.06472°W﻿ / 45.95472; -119.06472﻿ (Lake Wallula) | 1,350,000 | 42,500 | | Columbia River |
| Banks Lake | Grant, Douglas | 47°48′21″N 119°11′31″W﻿ / ﻿47.80583°N 119.19194°W﻿ / 47.80583; -119.19194﻿ (Banks Lake) | 1,275,000 | 26,877 | 177 | |
| Swift Reservoir | Skamania | 46°3′20″N 122°6′51″W﻿ / ﻿46.05556°N 122.11417°W﻿ / 46.05556; -122.11417﻿ (Swift Reservoir) | 755,600 | 4,585 | | Lewis River |
| Wanapum Lake | Kittitas, Grant | 46°55′56″N 119°58′24″W﻿ / ﻿46.93222°N 119.97333°W﻿ / 46.93222; -119.97333﻿ (Wanapum Lake) | 669,700 | 14,590 | | Columbia River |
| Rufus Woods Lake | Douglas, Chelan | 47°59′47″N 119°37′14″W﻿ / ﻿47.99639°N 119.62056°W﻿ / 47.99639; -119.62056﻿ (Rufus Woods Lake) | 590,199 | 7,800 | | Columbia River |
| Lake Herbert G. West | Walla Walla, Columbia, Whitman, Franklin | 46°34′18″N 118°31′6″W﻿ / ﻿46.57167°N 118.51833°W﻿ / 46.57167; -118.51833﻿ (Lake Herbert G. West) | 432,000 | 6,590 | | Snake River |
| Merwin Lake | Clark, Cowlitz | 45°58′35″N 122°31′35″W﻿ / ﻿45.97639°N 122.52639°W﻿ / 45.97639; -122.52639﻿ (Merwin Lake) | 416,000 | 3,836 | 190 | Lewis River |
| Yale Lake | Clark, Cowlitz | 46°0′43″N 122°18′44″W﻿ / ﻿46.01194°N 122.31222°W﻿ / 46.01194; -122.31222﻿ (Yale Lake) | 401,760 | 3,612 | | Lewis River |
| Potholes Reservoir | Grant | 46°59′59″N 119°17′6″W﻿ / ﻿46.99972°N 119.28500°W﻿ / 46.99972; -119.28500﻿ (Potholes Reservoir) | 332,200 | 27,800 | | |
* Key
* † denotes that body of water crosses state border
* ‡ denotes that body of water crosses international border