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Puget Sound Stream Benthos

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I. Monitoring Projects

Adopt-A-Stream Foundation ProjectsJim Creek

City of Bainbridge Island ProjectsBainbridge Monitoring Program

City of Bellevue ProjectsMacroinvertebrates

City of Bellingham ProjectsAnnual Miscellaneous Whatcom Crk Restoration

City of Bothell ProjectsBothell Bioassesment

City of Everett ProjectsAmbient Monitoring

City of Federal Way ProjectsMacroinvertebrate Sampling

City of Issaquah ProjectsAquatic Resources Monitoring

City of Kirkland ProjectsB-IBI

City of Lake Forest Park ProjectsBenthic InvertebratesEPA_3v8

City of Redmond Projects2016 Status and TreendsAnnual Benthic Monitoring Annual Benthos MonitoringRedmond BenthosStatus and Trends RPWS

City of Sammamish ProjectsEbright Inventory

City of Seattle ProjectsProject Evaluation Status & Trends

City of Shoreline ProjectsShoreline Bioassessment

Clallam County ProjectsOPI Quileute Streamkeepers WRIA 19 WSU 8 Streams

Clark County Clean Water Division ProjectsCCAWS

Environmental Protection Agency ProjectsEPA AMT-RARE project

Joint Base Lewis-McChord ProjectsJBLM Monitoring

King County - DNRP ProjectsAmbient Monitoring B-IBI RecalibrationBear Creek BPBiosolids Monitoring Boise Ambient DMPh3 Des Moines WQKC HistoricalLower Boise Creek Mercer Island Miller-Walker Rivers Regulatory Effectiveness Restoration Priorities Stormwater Retrofit UPD VashonWeissWRIA08_WS_Survey

King County - Roads ProjectsESA Water Quality CIP Support

Kitsap County ProjectsSSWM Macroinvertebrate Monitor Stream Team Envvest Benthic Monitoring Project Effectiveness Watershed Health Monitoring

Pierce County ProjectsRSMP_PC_PLE2015 PC Raise the Grade PC WHM (from 2016)

Skokomish Tribal Nation ProjectsBenthic Invertebrates

Snohomish County ProjectsAmbient CAR MonitoringProject Specific

Snoqualmie Tribe ProjectsKimball Ck WQ Improvement

Stillaguamish Tribe ProjectsStilly WQ

Thurston County ProjectsEnvironmental HealthMacroinvertebrates Monitoring

University of Washington ProjectsB. Kleindl's Thesis

Vashon Nature Center ProjectsVashon Benthos

Washington State Department of Ecology ProjectsRailroad Creek EM WatershedHealth_BIOAmbientBoundary CreekClover CreekDeschutes Effectiveness MonitKamiache EMHangman CreekHenderson Inlet Effectiveness Monitoring NewauMuckleshootNewaukum EM Bertrand Creek EMStormwater City of RedmondStormwater Pierce CountyStormwater RSMPTMDL StudiesWatershedHealth_SENWoodland EMWatershedHealth_WAM0

Wild Fish Conservancy ProjectsWeiss

II.Benthic Index of Biotic Integrity (B-IBI, BIBI)

Biotic Integrity Map
Biotic Integrity Scores Table
Biotic Integrity Trend Table
Biotic Integrity Trend Chart

B-IBI Scoring System Description
Variations on B-IBI Scoring
Taxa Excluded from Scoring
The Scoring Process Step-By-Step

Benthic Taxa Attributes
Standard Taxonomic Effort

III. Regional Streams — B-IBI Score Results

WRIA 1 - NooksackMiddle, S Forks Nooksack River Basin Howard Creek Subbasin Nooksack River - S Fork tributary N Fork Nooksack River Basin Racehorse Creek Subbasin Kenney Creek tributary Racehorse Creek Nooksack River Delta Basin Squalicum Creek Subbasin Squalicum Creek Whatcom-Chuckanut Basin Bellingham Bay Subbasin Cemetery Creek (Whatcom Creek)Chuckanut Creek Padden Creek Whatcom Creek Lake Whatcom Subbasin Austin Creek Samish Bay Subbasin Oyster Creek WRIA 3 - Lower Skagit / SamishLower Skagit River Delta Basin Carpenter Creek Subbasin Carpenter Creek (Skagit)Samish Basin Samish River Subbasin Thomas Creek (Samish)Willard Creek WRIA 4 - Upper SkagitDiablo Lake Basin Diobsud Creek Subbasin Diobsud Creek WRIA 5 - StillaguamishMain Stem Stillaguamish River Basin Church Creek Subbasin Church Creek Douglas Creek Lower Stillaguamish River Subbasin Glade Bekken Stillaguamish Flats Subbasin Armstrong Creek Cougar Creek Cougar Creek Trib Fish Creek Fish Creek tributary Harvey Creek Portage Creek N Fork Stillaguamish River Basin French Creek/Boulder River Subbasin Boulder River Browns Creek French Creek (Stillaguamish)Squire Creek Hazel Subbasin Brooks Creek Segelsen Creek Lower N Fork Stillaguamish Subbasin Fry Creek Grant Creek N Fork Stillaguamish Trib Rock Creek (Stillaguamish)Stillaguamish River - N Fork Stillaguamish River - N Fork tributary Upper N Fork Stillaguamish Subbasin Upper N Fork Stillaguamish Trib Pilchuck Creek (Stillaguamish) Basin Lower Pilchuck Creek (Stillaguamish) Subbasin Pilchuck Creek (Stillaguamish)Pilchuck Creek (Stillaguamish) tributary Secret Creek S Fork Stillaguamish River Basin Burn Hill Road Drainage Subbasin Brenner Creek Canyon Creek (Stillaguamish) Subbasin Canyon Creek (Stillaguamish)Tiger Creek Jim Creek Subbasin Cub Creek Jim Creek Rehab Creek Twin Lakes tributary Verlot Subbasin Benson Creek (Stillaguamish)Turlo Creek WRIA 6 - IslandIsland Basin Whidbey Island Subbasin Glendale Creek WRIA 7 - SnohomishLower Skykomish Basin Haystack Skykomish Subbasin Hogarty Creek Skykomish River - Haystack Skykomish River tributary (Haystack subbasin)Olney Creek Subbasin Bear Creek (Skykomish)Olney Creek (Snohomish)Wallace River (lower)Upper Wallace River Subbasin May Creek (Skykomish River)Woods Creek Subbasin Carpenter Creek (Woods Creek)Carpenter Creek (Woods Creek) tributary Catherine Creek Creswell Creek Richardson Creek Woods Creek (Monroe) - E Fork Woods Creek (Monroe) - W Fork Youngs Creek Subbasin Crandall Creek Elwell Creek Foye Creek Lower Snoqualmie Basin Cherry Creek Subbasin Cherry Creek Cherry Creek - N Fork Cherry Creek - N Fork tributary Cherry Creek tributary Margaret Creek Peoples Creek Ricci Creek Snoqualmie River tributary (Cherry Creek subbasin)Tuck Creek Griffin Creek Subbasin Griffin Creek Langlois Creek tributary Mud Creek Harris Creek Subbasin Adair Creek Adair Creek tributary Ames Creek Harris Creek Snoqualmie River tributary (Harris Creek subbasin)Weiss Creek Kimball Creek Subbasin Brockway Creek Coal Creek (Snoqualmie River)Fisher Creek (Snoqualmie)Kimball Creek Patterson Creek Subbasin Canyon Creek (Snoqualmie River)Patterson Creek Raging River Subbasin Raging River tributary Snoqualmie River tributary (Raging River subbasin)Tokul Creek Subbasin Beaver Creek (Snoqualmie)Ten Creek Tokul Creek Tolt River Subbasin Lynch Creek (Snohomish River)Stossel Creek Pilchuck River (Snohomish) Basin Lower Pilchuck River (Snohomish) Subbasin Dubuque Creek Little Pilchuck Creek (Snohomish)Lundeen Creek Panther Creek (Pilchuck River)Pilchuck River (lower)Sexton Creek Stevens Creek Upper Pilchuck River (Snohomish) Subbasin Bosworth Lake Creek Coon Creek Dick Creek Millard Lake tributary Pilchuck River (upper)Purdy Creek (Pilchuck River)Swartz Lake Creek Snohomish Basin Everett Subbasin Cripple Creek Edgewater Creek French Creek (Snohomish)Glenwood Creek Japanese Creek Marshland Canal Tributary Merrill and Ring Creek Pigeon Creek Powder Mill Creek Thomas Creek Woods Creek (Everett)Quilceda Creek Subbasin Quilceda Creek Tulalip Creek Subbasin Battle (Mission) Creek Snoqualmie Forks Basin Lower Middle Fork Snoqualmie Subbasin Snoqualmie River - Middle Fork tributary (Lower)N Fork Snoqualmie Subbasin Tate Creek Tate Creek tributary S Fork Snoqualmie Subbasin Boxley Creek tributary Clough Creek Snoqualmie River - S Fork tributary Upper Skykomish Basin Foss River Subbasin Foss River tributary Lower N Fork Skykomish Subbasin Lewis Creek (Skykomish)Skykomish River - Lower N Fork S Fork Skykomish Subbasin Barclay Creek WRIA 8 - Cedar-SammamishCedar River / Lake Washington Basin Coal Creek (Cedar) Subbasin Coal Creek (Lake Wash.)Coal Creek (Lake Wash.) tributary (0273)Newport Creek E Lake Washington - Bellevue N Subbasin Cochran Springs Creek Fairweather Creek Yarrow Creek Subbasin E Lake Washington - Bellevue S Subbasin Lakehurst Creek E Lake Washington - Kenmore N Subbasin Lake Washington tributary (0056)E Lake Washington - Kenmore S Subbasin Denny Creek Forbes Creek Subbasin Forbes Creek (0242)Juanita Creek Subbasin Juanita Creek Kelsey Creek Subbasin Goff Creek Kelsey Creek Kelsey Creek, West Tributary Valley Creek (Bellevue)Lower Cedar River Subbasin Cedar River - Lower tributary Cedar River - Lower tributary (0306)Cedar River - Lower tributary (0307)Cedar River - Lower tributary (0311)Hotel Creek (0342)Madsen Creek Maplewood Creek Molasses Creek Peterson Creek (Cedar)Rock Creek (Lower Cedar)Taylor Creek/Jem Creek (Lower Cedar)Taylor Creek/Jem Creek tributary Walsh Lake Diversion Webster Creek - Upper (0341)Lyon Creek Subbasin Lyon Creek May Creek Subbasin May Creek (Lake Washington)McAleer Creek Subbasin Ballinger Creek McAleer Creek Mercer Is. Subbasin Lake Washington tributary (Mercer Is.)Mercer Is. unnamed tributary Mercer Slough Subbasin Richards Creek Sunset Creek Thornton Creek Subbasin Littles Creek Maple Leaf Creek Thornton Creek Willow Creek Upper Cedar River Subbasin Rock Creek (Upper Cedar)Taylor Creek (Upper Cedar)Williams Creek W Lake Washington - Seattle N Subbasin Ravenna Creek W Lake Washington - Seattle S Subbasin Lake Washington tributary Lake Washington tributary (0464B)Mapes Creek Taylor Creek (W Lake Washington)Puget Sound (Cedar-Sammamish) Basin Boeing Creek Subbasin Boeing Creek Middle Puget Sound - Shoreline Subbasin Lunds Gulch Creek Perrinville Creek Picnic Point Storm Creek Pipers Creek Subbasin Mohlendorph Creek Pipers Creek Venema Creek Sammamish River Basin Bear Creek Subbasin Bear Creek (Sammamish River)Cold Creek Colin Creek Colin Creek N Colin Creek S Cottage Lake Creek Cottage Lake Creek tributary Daniels Creek Mackey Creek Monticello Creek Perrigo Creek Seidel Creek Stensland Creek Struve Creek Tylers Creek E Lake Sammamish Subbasin Ebright Creek Eden/George Davis Creek Laughing Jacobs Creek Many Springs Creek Pine Lake Creek Evans Creek Subbasin Evans Creek Evans Creek tributary (0107)Evans Creek tributary (0108)Evans Creek tributary (0108A)Evans Creek tributary (0111A)Evans Creek tributary (0111E)Evans Creek tributary (0112)Rutherford Creek Issaquah Creek Subbasin Black Nugget Creek Carey Creek Fifteenmile Creek High Point Creek Holder Creek Holder Creek tributary Issaquah Creek Issaquah Creek - E Fork Issaquah Creek - N Fork Issaquah Creek tributary (0198)Issaquah Creek tributary (0203)McDonald Creek (Issaquah)Little Bear Creek Subbasin Cuttrhoat Creek (0083)Great Dane Creek Little Bear Creek Trout Creek North Creek Subbasin Junco Creek Middle Creek North Creek North Creek tributary Palm Creek (Bothell)Perry Creek (Bothell)Queensborough Creek Silver Creek Sulphur Springs Creek Tambark Creek Sammamish River Subbasin Clise Creek Country Creek Gold Creek Gun Club Creek High School Creek Horse Creek Peters Creek Sammamish River tributary (0068)Sammamish River tributary (0090)Sammamish River tributary (0095B)Sammamish River tributary (0095D)Sammamish River tributary (0095F)Sammamish River tributary (0096D)Sammamish River tributary (0101)Sammamish River tributary (0102)Tosh Creek Valley Estates Creek Waynita Creek Willows Creek Swamp Creek Subbasin Golde Creek Scriber Lake Creek Swamp Creek Trickle Creek Tibbetts Creek Subbasin Tibbetts Creek Tibbetts Creek - Lower W Lake Sammamish Subbasin Idylwood Creek Lewis Creek (Lake Sammamish)Phantom Creek Vasa Creek Villa Marina Creek Wilkins Creek WRIA 9 - Duwamish-GreenDuwamish - Green River Basin Black River Subbasin Garrison Creek - S Fork Mill Creek (Kent)Panther Creek (Black River)Panther Creek (Black River) tributary Springbrook Creek (Black River)Springbrook Creek tributary (0006B)Coal Creek (Green) Subbasin Coal Creek (Green River)Covington Creek Subbasin Covington Creek Ginder Creek Rock Creek (Covington)Rock Creek tributary (Covington)Deep Creek Subbasin Deep Creek (Green River)Duwamish River Subbasin Duwamish River tributary (0001E)Duwamish River tributary (0003)Duwamish River tributary (Puget Park)Hamm Creek Riverton Creek (003D)Jenkins Creek Subbasin Jenkins Creek Longfellow Creek Subbasin Longfellow Creek Puget Creek Lower Green River - E Subbasin Green River - Lower tributary (S 277th St.)Green River- Lower tributary (0069)Olson Creek Lower Green River - W Subbasin Bingamon Creek Lower Green River tributary (0036B)Mullen Slough Middle Green River Subbasin Crisp Creek Crisp Creek tributary Cristy Creek Green River - Middle tributary Icy Creek O'Grady Creek Mill Creek Subbasin Mill Creek (Auburn)Newaukum Creek Subbasin Newaukum Creek Newaukum Creek - N Fork Stonequarry Creek Soos Creek Subbasin Big Soos Creek Little Soos Creek Meridian Valley Creek Soos Creek Soosette Creek United Nations Creek Upper Green River Subbasin Sunday Creek Puget Sound (Duwamish-Green) Basin Des Moines Creek Subbasin Des Moines Creek McSorley Creek - N Fork Dumas Bay Subbasin Joes Creek Lakota Creek Lower Puget Sound - Seattle Subbasin Fauntleroy Creek Schmitz Creek Miller Creek Subbasin Miller Creek Walker Creek Vashon-Maury Island Subbasin Christenson Creek Ellis Creek (Vashon)Fisher Creek (Vashon)Gorsuch Creek Judd Creek McCormick Creek (Vashon)Shinglemill Creek Tahlequah Creek WRIA 10 - Puyallup-WhiteCarbon River Basin Carbon River Subbasin Voight Creek S Prairie Creek Subbasin S Prairie Creek Spiketon Creek Wilkeson Creek Subbasin Wilkeson Creek Green Waters Basin Middle White River Subbasin White River tributary (Middle White subbasin)Mud Mt Lake Subbasin Boise Creek Canyon Creek (White River)Lower Puyallup River Basin Lower Puyallup River Subbasin Canyon Creek (Puyallup)Canyonfalls Creek Clarks Creek Clear Creek (Puyallup)Diru Creek Fennel Creek Rody Creek Squally Creek Swan Creek W Hylebos Creek Lowland White River Basin Lower White River Subbasin White River tributary (Lower White subbasin)Upper Puyallup River Basin Middle Puyallup River Subbasin Fiske Creek Kapowsin Creek WRIA 11 - NisquallyLowland Nisqually River Basin McAllister Creek Subbasin Little McAllister Creek Muck Creek Subbasin Lacamas Creek (Nisqually)Yelm Creek Subbasin Horn Creek Thompson Creek Yelm Creek Mashel River/Ohop Creek Basin Mashel River Subbasin Little Mashel River Mashel River Midway Creek Ohop Creek Subbasin Lynch Creek (Nisqually River)Ohop Creek (Nisqually)Twentyfive Mile Creek (Ohop)Powell Creek Subbasin Edna Creek tributary Powell Creek Tanwax Creek Subbasin Tanwax Creek Upper Nisqually River Basin Goat Lake Subbasin Copper Creek (Nisqually)Goat Creek (Nisqually)WRIA 12 - Chambers-CloverClover Creek Basin Clover Creek/Steilacoom Subbasin Clover Creek Coffee Creek Spanaway Creek WRIA 13 - DeschutesDeschutes Prairie Basin Lower Deschutes River Subbasin Chambers Creek (Deschutes)Ellis Creek (Deschutes)Indian Creek (Lower Deschutes)Mission Creek Moxlie Creek McLane Creek Subbasin Black Lake Ditch Green Cove Creek McLane Creek Percival Creek Perry Creek (Deschutes)Schneider Creek Woodland Creek Subbasin Fox Creek Palm Creek (Deschutes)Woodard Creek Woodland Creek WRIA 14 - Kennedy-GoldsboroughKennedy Creek/Goldsborough Creek Basin Kennedy Creek Subbasin Kennedy Creek Mason Subbasin Goldsborough Creek WRIA 15 - KitsapHood Canal Basin Bangor-Port Gamble Subbasin Cattail Creek Cougar/Kinman Creek Devil's Hole Creek Gamble Creek Jump Off Creek Little Boston Martha John Creek Great Bend Subbasin Dewatto River Tahuya River Lynch Cove Subbasin Bear Creek (Hood Canal)Mission Creek (Hood Canal)Stimson Creek Union River W Kitsap Subbasin Big Anderson Creek Big Beef Creek Boyce Creek Harding Creek Little Anderson Creek Seabeck Creek Stavis Creek Thomas Creek (Kitsap)Puget Sound (Kitsap) Basin Anderson Island Subbasin Schoolhouse Creek (Anderson Is.)Bainbridge Island Subbasin Cooper Creek Issei Creek Manzanita Creek Murden Creek Ravine Creek Shel-Schleb Creek Springbrook Creek (Bainbridge)Whiskey Creek Woodward Creek (Bainbridge)Carr Inlet Subbasin Artondale Creek Beaver Creek (Kitsap)Burley Creek Crescent Creek Curley Creek Goodnough Creek Mark Dickson Creek McCormick Creek (Gig Harbor)Nelyaly Creek Olalla Creek Purdy Creek (Burley Lagoon)Ray Nash Creek Rosedale Creek Salmonberry Creek Wilson Creek (Colvos Passage)Dyes Inlet / Central Kitsap Subbasin Barker Creek Chico Creek Clear Creek (Kitsap)Dee/Enetai Creek Dickerson Creek Illahee Creek Kitsap Creek Mosher Creek Steele Creek Strawberry Creek Key Peninsula Subbasin Coulter Creek tributary Dutchers Creek Herron Creek Huge Creek Lacky Creek Little Minter Creek Minter Creek (Key Peninsula)Rocky Creek Schoolhouse Creek (Kitsap)Vaughn Creek Liberty-Miller-Appletree Subbasin Big Scandia Creek Bjorgen Creek Carpenter Creek (Kitsap)Cowling Creek Dogfish Creek Finn Creek Grovers Creek Johnson Creek (Kitsap)Keyport Creek Lemolo/Klebeal Creek S Sinclair Inlet Subbasin Anderson Creek (Kitsap)Annapolis Creek Blackjack Creek Gorst Creek Olney Creek (Kitsap)Parish Creek Ross Creek Sacco Creek Wright Creek WRIA 16 - Skokomish-DosewallipsLiliwaup Creek/Hamma Hamma River Basin Lilliwaup Creek Subbasin Potlatch Creek Skokomish River Basin Lower Skokomish River Subbasin Enatai Creek No Name Creek Purdy Creek (Skokomish River)S Fork Skokomish River Subbasin Swift Creek Vance Creek WRIA 17 - Quilcene-SnowPort Townsend Basin Sequim Bay Subbasin Jimmycomelately Creek Johnson Creek (Sequim)WRIA 18 - Elwha-DungenessDungeness River Basin Bell Creek Subbasin Bell Creek Gray Wolf River Subbasin Gray Wolf River Lower Dungeness River Subbasin Canyon Creek (Dungeness)Cassalery Creek Matriotti Creek Meadowbrook Creek Elwha River Basin Elwha River Mt Wilder Subbasin Godkin Creek Lake Mills Subbasin Cat Creek Long Creek Sutherland/Aldwell Lakes Subbasin Hughes Creek Indian Creek (Elwha)Little River Port Angeles Basin Morse Creek Subbasin Morse Creek Surveyor Creek Port Angeles Bay Subbasin Dry Creek Ennis Creek Lees Creek Peabody Creek Tumwater Creek Valley Creek (Port Angeles)Siebert/McDonald Creeks Subbasin Bagley Creek McDonald Creek (Port Angeles)Siebert Creek WRIA 19 - Lyre-HokoHoko River/Clallam River Basin Clallam River Subbasin Clallam River Hoko River Subbasin Herman Creek - E Branch tributary Sekiu River Subbasin Sekiu River Snow Creek Lake Crescent Basin Lake Crescent Subbasin Barnes Creek Boundary Creek Lyre River Salt Creek Subbasin Bear Creek (Salt Creek)Salt Creek Pysht River Basin Pysht River Subbasin Pysht River Twin Rivers/Deep Creek Subbasin Deep Creek (Lyre-Hoko)East Twin River West Twin River WRIA 20 - Sol DucCalawah River/Bogachiel River Basin Lower Calawah River Subbasin Elk Creek S Fork Calawah River Subbasin Calawah River tributary Lost Creek (Calawah River)Lower Hoh River Basin Goodman Creek/Mosquito Creek Subbasin Minter Creek (Lower Hoh)Mosquito Creek tributary Mt Olympus Basin Upper Hoh River Subbasin Hoh River tributary Jackson Creek Twin Creek West Twin Creek Ozette Basin Ozette Lake Subbasin Siwash Creek (Ozette)Quillayute Lowlands Basin E Fork Dickey River Subbasin Skunk Creek Thunder Creek Lower Bogachiel River Subbasin Mill Creek (Forks)Sol Duc River Lowlands Subbasin Gunderson Creek Shuwah Creek Upper Sol Duc River Basin Sol Duc Valley Subbasin Bear Creek (Sol Duc River)Lake Creek Upper Sol Duc River Subbasin Alckee Creek Mink Lake Creek Tom Creek WRIA 21 - Queets-QuinaultClearwater River Basin Kalaloch Creek Subbasin Kalaloch Creek Coastal Plain Basin Cook-Elk Creek Subbasin Cook Creek Moclips River Subbasin Joe Creek tributary WRIA 22 - Lower ChehalisCloquallum Creek Basin Delezene Creek Subbasin Chehalis River tributary (Delezene Creek subbasin)Hoquiam River/Wishkah River Basin E Fork Hoquiam River Subbasin Hoquiam River - E Fork tributary S Harbor (Lower Chehalis) Basin Johns River Subbasin Hall Creek Wynoochee River Basin Chehalis Sloughs Subbasin Van Winkle Creek Lower Wynoochee River Subbasin Neil Creek Schafer Creek Upper Wynoochee River Subbasin Anderson Creek (Wynoochee River)WRIA 23 - Upper ChehalisBoistfort Basin Elk Creek Subbasin Nine Creek Stillman Creek Subbasin Halfway Creek tributary Lost Creek (Chehalis River)Lincoln Creek Basin Garrard Creek Subbasin Garrard Creek - S Fork Porter Creek/Cedar Creek Basin Gibson Creek Subbasin Gibson Creek Porter Creek Subbasin Porter Creek WRIA 24 - WillapaMiddle Bay Basin Nemah River Subbasin North Nemah River tributary South Nemah River tributary Palix River Subbasin Willapa Bay tributary (Palix River subbasin)Naselle River Basin Lower Naselle River Subbasin Ellsworth Creek Upper Naselle River Subbasin Brock Creek North River (Willapa) Basin Lower North River Subbasin North River (Lower) tributary Smith Creek (Willapa) Subbasin Elkhorn Creek tributary Upper North River Subbasin Martin Creek tributary Vesta Creek/Little North River Subbasin North River (Vesta) tributary Willapa River Basin Upper Willapa River Subbasin Ellis Creek (Willapa)Willapa River tributary Wilson Creek Subbasin Wilson Creek (Willapa River)WRIA 25 - Grays/ElochomanGermany Creek/Abernathy Creek Basin Abernathy Creek Subbasin Mill Creek (Abernathy) tributary Grays Bay Basin Mitchell Creek Subbasin E Fork Grays River tributary W Fork Grays River Subbasin W Fork Grays River tributary Skamokawa Creek/Elochoman River Basin Skamokawa Creek Subbasin Jim Crow Creek WRIA 26 - CowlitzCoweeman River Basin Upper Coweeman River Subbasin Nineteen Creek (Coweeman River)E Willapa Basin Olequa Creek Subbasin Olequa Creek Jackson Prairie Basin Lacamas Creek Subbasin Lacamas Creek (Cowlitz)Mill Creek (Cowlitz) Subbasin Otter Creek Salmon Creek (Cowlitz) Subbasin Salmon Creek (Cowlitz River)Lower Cowlitz River Basin Lower Cowlitz River Subbasin Cowlitz River tributary Tilton River/Kiona Creek Basin Upper Riffe Lake Subbasin Peterson Creek (Cowlitz)Winston Creek Subbasin Winston Creek Toutle River Basin Green River Subbasin Devils Creek tributary Green River (Toutle) tributary N Fork Toutle River Subbasin Alder Creek (Toutle River)Deer Creek Hoffstadt Creek tributary Upper Cowlitz River Basin Ohanapecosh River Subbasin Laughing Water Creek Smith Creek (Cowlitz) Subbasin Smith Creek (Cowlitz)WRIA 27 - LewisE Fork Lewis River Basin Horseshoe Falls Subbasin Niccolls Creek Rock Creek (Lewis) Subbasin Coyote Creek tributary Grouse Creek tributary Yacolt Subbasin Lockwood Creek Kalama River Basin Lower Kalama River Subbasin Schoolhouse Creek (Kalama)Middle Kalama River Subbasin Gobar Creek Kalama River tributary Upper Kalama River Subbasin Fossil Creek Lake Merwin Basin Canyon Creek/Fly Creek Subbasin Canyon Creek (Lewis)Cedar Creek/Chelatchie Creek Subbasin Cedar Creek (Lewis)Pup Creek tributary Lake Merwin Subbasin Cape Horn Creek tributary Mt St Helens Basin Yale Lake Subbasin Rain Creek WRIA 28 - Salmon-WashougalSalmon Creek (Washougal) Basin Vancouver Subbasin Burnt Bridge Creek Rock Creek (Salmon-Washougal)WRIA 29 - Wind-White SalmonTrout Lake Basin Trout Lake Subbasin Trout Lake Creek tributary Wind River Basin Indian Heaven Subbasin Trapper Creek WRIA 34 - PalousePalouse River Basin Palouse River Subbasin Pine Creek tributary Rock Creek (Palouse)WRIA 38 - NachesTieton River Basin Oak Creek Subbasin Oak Creek WRIA 39 - Upper YakimaUmtanum Creek/Selah Creek Basin Umtanum Creek/Selah Creek Subbasin Umtanum Creek WRIA 40 - Alkali-SquilchuckN Alkali-Squilchuck Basin Tarpiscan Creek Subbasin Colockum Creek WRIA 42 - Grand CouleeGrand Coulee Basin Grand Coulee Subbasin Lower Lewis Creek (Banks Lake)WRIA 47 - ChelanStehekin River Basin Twentyfive Mile Creek Subbasin Twentyfive Mile Creek (Chelan)WRIA 52 - SanpoilLower Sanpoil River (Cody) Basin Nanamkin Creek Subbasin North Nanamkin Creek North Nanamkin Creek tributary Lower Sanpoil River (Keller) Basin Bridge Creek Subbasin Capoose Creek WRIA 55 - Little SpokanePrairie (Little Spokane) Basin Deadman Creek/Peone Creek Subbasin Deadman Creek (Peone Creek)Lower Dragoon Creek Subbasin Dragoon Creek (Lower)Upper Dragoon Creek Subbasin Dragoon Creek (Upper)WRIA 56 - HangmanLatah Creek Basin California Creek/Lower Rock Creek Subbasin California Creek (Hangman)Spangle Creek Subbasin Hangman Creek WRIA 57 - Middle SpokaneRathdrum Basin Blanchard Creek Subbasin Blanchard Creek tributary WRIA 59 - ColvilleLower Colville River Basin Upper Mill Creek (Colville) Subbasin Marble Creek Middle Colville River Basin Lower Little Pend Oreille River Subbasin Prospect Creek Moran Creek Subbasin Addy Creek Upper Colville River Basin Chewelah Creek Subbasin Sixmile Creek WRIA 62 - Pend OreilleLower Pend Oreille River (Metaline) Basin Sullivan Creek Subbasin N Fork Sullivan Creek

IV. Regional Rivers — B-IBI Score Results

Big Quilcene RiverBlack River (Chehalis)Bogachiel RiverCalawah RiverCanyon RiverCedar RiverChehalis RiverCle Elum RiverColumbia RiverCoweeman RiverCowlitz RiverDeschutes RiverDickey RiverDungeness RiverElochoman RiverElwha RiverEntiat RiverGrande Riveronde RiverGrays RiverGreen RiverGreen River (Toutle)Hamma Hamma RiverHayes RiverHoko RiverHumptulips RiverKalama RiverLewis RiverLittle Pend Oreille RiverLost RiverMethow RiverMoclips RiverNaches RiverNewaukum RiverNisqually RiverNooksack RiverOkanogan RiverPalouse RiverPend Oreille RiverPriest RiverPuyallup RiverQueets RiverQuinault RiverRaging RiverSatsop RiverSauk RiverSinlahekin RiverSitkum RiverSkagit RiverSkokomish RiverSkookumchuck RiverSkykomish RiverSnake RiverSnohomish RiverSnoqualmie RiverSol Duc RiverStillaguamish RiverTeanaway RiverTolt RiverTouchet RiverToutle RiverTucannon RiverWalla Walla RiverWashougal RiverWenatchee RiverWillapa RiverWishkah RiverYakima River