Category One Streams Category Two Streams Category Three Streams Category Four Streams Page 25 Page

l August 2014 2014 August l Although Issaquah Creek is Although Issaquah Creek system with a large a large amount of potential spawning adult kokanee have few area, years. been observed in recent been little has there However, monitor their directly to effort abundance in this system. Is- difficult is more saquah Creek to survey than other kokanee of its larger because creeks size and deeper waters. In re- cent years, kokanee have been occasionally observed in East and at the Fork Issaquah Creek Issaquah Fish Hatchery. obstacles to no major are There kokanee migration in Issaquah A fish ladder at the Creek. Issaquah Fish Hatchery weir allows fish to migrate further 10). When (Figure upstream salmonids are anadromous being diverted at the weir into holding ponds, some kokanee may be diverted as well. These often collected kokanee are of the and moved upstream dam The diversion hatchery. rivermile 3.7) for (approximately the Issaquah Fish Hatchery’s in water supply was removed with a series 2013 and replaced

Historically, Issaquah Creek was primarily used by summer/early- Issaquah Creek Historically, and Higgins 2003). These fish began spawning run kokanee (Berge during the first week of August, with the peak of spawning during the last week of August, and the end of spawning occurring dur- An estimated 15,000 summer/ ing the second week of September. in 1975 but by Issaquah Creek in present early-run kokanee were observed. The summer/early-run is cur- 2001, no kokanee were indicate that winter/late- extinct. Historic records presumed rently use Issaquah Creek. run kokanee did not appear to appreciably Issaquah Creek (WRIA #08.0178) is the largest tributary to Lake #08.0178) is the largest (WRIA Issaquah Creek south part of the Lake Sam- Sammamish and is located in the and Creek 10). Headwaters include Carey mamish basin (Figure is the start of Is- meet these two streams where Holder Creek; 1975) catalog (Williams et al. The WRIA 8 stream saquah Creek. the upper mainstem of the Issaquah as classifies Holder Creek miles from extends over 11 stream Issaquah Creek system. Creek and Carey of Holder Creek to the confluence major extends an additional 6 miles. Other Creek Holder Creek. East Fork Fifteen Mile Creek, tributaries include McDonald Creek, The mouth of North Fork Issaquah Creek. and Issaquah Creek, the Lake in are the lower mile of the creek and Issaquah Creek runs in Sammamish State Park. Much of East Fork Issaquah Creek to I-90. The Issaquah Fish Hatchery is located on close proximity rivermile 3. The at approximately the mainstem of Issaquah Creek is Area, lower part of the basin, which is within the Urban Growth and light indus- commercial, residential, urbanized with numerous trial developments. Land use in the upper basin, which is outside consists primarily of low-density residen- Area, the Urban Growth tial and open space or state park. Goal/Vision kokanee is to have a self-sustaining Creek The goal for Issaquah (estimated capacity: 10,000 adults/year) that spawning aggregation the basin and is maintained in the long term by spawns throughout 1930s) indicated Historic observations (circa natural production. summer/early run of kokanee run in Issaquah a strong was there KWG anticipates that a winter/late kokanee population The Creek. observed levels can be established to previously in Issaquah Creek of kokanee spawners. Issaquah Creek Issaquah Creek

• Issaquah Creek • Tibbetts Creek Category Streams 2 Large streams that Basin of the Lake Sammamish in the south end currently the potential to support many kokanee but have do not support a large run. Blueprint for the Restoration and Enhancement of Lake Sammamish Kokanee Tributaries Tributaries Restoration the for Blueprint Kokanee Sammamish of Lake Enhancement and Page 24 Page Category Four Streams Category Three Streams Category Two Streams Category One Streams Blueprint for the Restoration andEnhancementofLakeSammamish KokaneeBlueprint fortheRestoration Tributaries shed Company (2005,2006). (1996, 2013),andTheWater- Issaquah (2011),KingCounty the followingreports: Cityof saquah Creek canbefoundin Additional informationon Is- fall of2015. ee returning tothecreek inthe a substantialnumberofkokan- creek. Thelattercouldresult in spring 2013release offryinthe Fish Hatcherydiversionandthe of passageabovetheIssaquah of boththerecent restoration be especiallyvaluableinlight ing thisstream system.Thiswill adult kokaneeare currently us- to determinetheextentthat its tributariesare alsoneeded surveys ofIssaquahCreek and More comprehensive spawning tributaries are met. goals forthemainspawning tributaries andtheegg-take kokanee runispresent inother the upcomingyearsifalarge This project willcontinue during the IssaquahFishHatchery. leased intoIssaquahCreek at 84,700 kokaneefrywere re- Zaccuse creeks. Approximately Laughing Jacobs,Lewis,and Creek were takenfrom Ebright, 2013. Broodstock forIssaquah saquah Creek inthespringof release kokaneefryintoIs- unanticipated opportunityto ies in2012-13allowedforan kokanee runinothertributar- population (Table 9).Thelarge re-establish aviablekokanee mentation program tohelp Issaquah Creek isasupple- major enhancementproject for passage project attheweir, the With thecompletionof passage toupstream reaches. of rock weirstorestore fish USFWS). RogerTabor,weir system,November10,2009(photocredit: attheWDFWIssaquahFishHatchery 10.IssaquahCreek Figure l August 2014 l

Page 26 Blueprint for the Restoration and Enhancement of Lake Sammamish Kokanee Tributaries l August 2014 l Page 27 Category One Streams Category

Sammamish Stream restoration

Supplementation/reintroduction Lake

k WDFW Issaquah Fish Hatchery

Sammamish e e

r Incorporated area boundary

C N ah qu LAKE SAMMAMISH sa STATE PARK Is k 0 0.5 1 Miles or F 1 th or N Category TwoCategory Streams

East Fork Issaquah Creek 2 Issaquah 3

4

Category Three Streams Three Category Issaquah Creek Issaquah Category Four Streams Category

Figure 11. Locations of identified restoration/enhancement projects in the Issaquah Creek basin. Blueprint for the Restoration and Enhancement of Lake Sammamish Kokanee Tributaries l August 2014 l Page 28

Projects Associated with the Issaquah Creek Basin (in order from the creek mouth to the most upstream)

Issaquah Stream restoration Supplementation/reintroduction Project # Project Type Name of Project Description 1 Pickering Reach Habitat Restoration Project Improve habitat conditions including removal of riprap, add large woody debris, and restore native vegetation. 2 Cybil-Madeleine Reach Restoration Project Improve habitat conditions including regrade banks, add large woody Category One Streams debris, and create side-channel. 3 East Fork Issaquah Confluence Reach Improve habitat conditions including regrade banks, add large woody Restoration Project debris, and addition of gravel. 4 Issaquah Creek Reintroduction Supplement or reintroduce kokanee into this creek system.

Table 9. List of four proposed projects to aid in the restoration of kokanee in the Issaquah Creek basin. Project numbers indicate relative location on the stream (downstream to upstream) and do not indicate priority or schedule of implementation.

1 Issaquah Creek Pickering • Funds Needed: $1.5 million 3 East Fork Issaquah Creek Reach Habitat Restoration • Estimated Project Duration Confluence Reach Project - In the near future, the (planning & design): – City of Issaquah plans to City of Issaquah will start 36 months remove bank armoring and Category Two Streams Category Two pursuing a large scale re-grade the bank to a flatter • Estimated Project Duration restoration project in the slope to increase connection (construction): 24 months Pickering Reach, located to floodplain. Also, large between SE 56th Street and • Current or Potential Project wood will be added to the I-90. This reach is part of the Lead: City of Issaquah channel to create pool historic Pickering Farm and habitat and native riparian as such, the channel was 2 Issaquah Creek Cybil- species will be planted on straightened and armored Madeleine Park Reach the banks to promote future in places. The City controls Restoration Project – City wood recruitment. Gravel the west bank through an of Issaquah plans to regrade will be excavated from the easement, and property the banks to a gentler slope, confluence and redistributed acquisitions are currently add LWD and other pool- upstream to encourage being pursued on the east forming features, and create kokanee spawning. side-channel habitat with Category Three Streams bank (Bush Lane area). Once spawning gravel. • (Funding included in land is secured through title project #2.) or landowner commitments, • Estimated Project Cost: the City will seek grants to $1.6 million 4 Supplementation Project initiate design. Restoration • Funds Acquired: $ 1.6 million – WDFW, King County, would significantly improve (City of Issaquah and grants) and USFWS plan to re- floodplain habitat elements, • Funds Needed: $0 establish the Issaquah including removal of riprap • Estimated Project Duration Creek kokanee run through and floodplain fill, adding a supplementation project. LWD to improve instream (planning & design): Design completed in 2013 Broodstock will be collected habitat, and restoring native from other Lake Sammamish vegetation. • Estimated Project Duration streams and brought to the • Estimated Project Cost: (construction): Construction Issaquah Fish Hatchery. $1.5 million scheduled for summer 2014 • Current or Potential Project Category Streams Four • Funds Acquired: $0 (City of Issaquah) Lead: City of Issaquah Category One Streams Category Two Streams Category Three Streams Category Four Streams Page 29 Page

l August 2014 2014 August l Sammamish Watershed Watershed Sammamish Committee, Management . Seattle, and Chinook restoration Sammamish projects, http://www. Watershed. kingcounty.gov/environment/ animalsAndPlants/ restoration-projects/ kokanee-chinook-projects. aspx 2005. Lake Sammamish State Park wetland, stream restoration and lakeshore plan. Report of the to the Company Watershed State Parks & Washington Commission. Recreation and riparian 2006. Stream plan. restoration areas Report of the Watershed Company to the City of Issaquah, Washington. and J. J. Ames. 1975. A catalog of Washington and salmon streams utilization, volume 1, Region. Washington Department of Fisheries, Olympia. King County. 2013. Kokanee 2013. King County. Company. The Watershed Company. The Watershed R. M. Laramie, Williams, R. W., 2003. The current status of 2003. The current Lake kokanee in the greater Watershed. Washington King County Department and of Natural Resources and Land Parks, Water Division, Seattle, Resources Washington. of our waters, fourth report. Issaquah Aquatic Resources Monitoring Report 1999- 2010, Public Works Engineering Department Conservation and Resource Issaquah, Office, Washington. Basin Issaquah Creek and nonpoint action plan. King County Department of Natural Resources and Issaquah/East Lake $16,000/year (planning & design): Not scheduled (supplementation): Not scheduled Lead: WDFW Project City of Issaquah. 2011. State 1996. Final King County. References H. B., and K. Higgins. Berge, Issaquah Team Members: Issaquah Team Kerry Ritland (City of Issaquah); Kirk Lakey (WDFW); Roger Brad Thompson, Jeff Tabor, Chan (USFWS); and Hans (King County) Berge • Funds Acquired: $0 Acquired: • Funds $16,000/year • Funds Needed: Duration • Estimated Project Duration • Estimated Project or Potential • Current • Estimated Project Cost: Cost: Project • Estimated Blueprint for the Restoration and Enhancement of Lake Sammamish Kokanee Tributaries Tributaries Restoration the for Blueprint Kokanee Sammamish of Lake Enhancement and Category Four Streams Category Three Streams Category Two Streams Category One Streams Blueprint for the Restoration andEnhancementofLakeSammamish KokaneeBlueprint fortheRestoration Tributaries spawning area and nomajor a large amountofpotential relatively large systemwith Although TibbettsCreek isa and parklands. ment, openspace, density residential develop- in aruralarea, consistsoflow while theupperbasin,located and residential developments, ized withnumerous commercial Growth Area, ismostlyurban- part, locatedwithintheUrban Cougar mountains.Thelower of theuplandsSquakand mostly steepterrainthatispart the upperpartofbasinis with IssaquahCreek, while basin isinafloodplainshared Park. Thelowerpartofthe in theLakeSammamishState lower halfmileofthecreek are saquah. Thecreek mouthand is primarilyintheCityofIs- feet. TheTibbettsCreek basin tain atanelevationof1,080 and originatesonSquakMoun- stream isroughly 4mileslong shorelineern (Figure 12).The mamish alongitssouthwest- #08.0169) entersLakeSam- Tibbetts Creek (WRIA levels ofspawners. restored topreviously observed tion inTibbettsCreek canbe pates thatthekokaneepopula- kokanee run.TheKWGantici- (circa 1930s)indicatedastrong cesses. Historicobservations by naturalhabitat-formingpro- I-90 bridgeandismaintained that spawnsupstream ofthe (1,000 to5,000adults/year) kanee spawningaggregation to haveaself-sustainingko- The goalforTibbettsCreek is Goal/Vision Tibbetts Creek reach upstream of NWPoplar has beenproposed forthe a channelrelocation project Tibbetts Manor).Currently, Park, RowleyProperties, and (Lake SammamishState Way) andchannelrestorations Road, I-90,andNewport replacements (NWSammamish This includesseveralculvert Creek Greenway Project. years aspartoftheTibbetts creeks duringthelast10 on TibbettsandPickering projects havebeencompleted Several habitatrestoration (WRIA #08.0171). West ForkTibbettsCreek Creek (WRIA#08.0169A) or Creek, suchasAnti-Aircraft in othertributariesofTibbetts It isunknownifkokaneespawn check onDecember12,2012. vert to12thAvenue) onaspot in PickeringCreek (I-90cul- Eleven kokaneewere observed small tributarypriorto2012. ee were notknowntouse this lower partofthebasin.Kokan- gradient tributarylocatedinthe (WRIA 08.0170),asmalllow- observed inPickeringCreek stem, kokaneehavealsobeen tem. Inadditiontothemain- in theLakeSammamishsys- more thaninanyotherstream in TibbettsCreek, whichwas stream-life estimate)spawned estimated 167kokanee(7-day the 2013-14return-year, an (Figure 13andFigure 14).In between rivermile0.6and1.6 were present inTibbettsCreek 2012, over400adultkokanee abundance inthiscreek. In focused effort tomonitortheir However, there hasbeenlittle the lasttwodecadesuntil2012. kanee were notobservedover fish passageissues,adultko- Company (2005, 2006). (1996), andTheWatershed Issaquah (2011),KingCounty the followingreports: Cityof betts Creek canbefoundin Additional informationon Tib- if conditionshaveimproved. quality isneededtodetermine Additional monitoringofwater trations (CityofIssaquah2011). low dissolvedoxygenconcen- elevated fecalcoliforms,and and ammoniaconcentrations, high turbidities,nitrate sedimentation andsubsequent the basinhasrelatively high quality samplinghasindicated is waterquality. Previous water populations inTibbettsCreek forkokanee A majorconcern tored andevaluated. some sitesneedtobemoni- specific project isproposed but cantly reduced. Atthistime,no did notappeartobesignifi- the amountofspawninghabitat limit kokaneemigrationsand beaver damsdidnotappearto ing riffles. In2012and2013, kokanee andinundatespawn- may limitupstream migrationof NE GilmanBlvd),beaverdams near thecreek mouthandat At somestream locations(e.g., further evaluationisneeded. currently intheirinfancyand These laterprojects are on West ForkTibbettsCreek. 2) fishpassageimprovement to increase riparianbuffers, and Sammamish StateParkentry stream channelattheLake 1) reconfiguration ofthe potential projects include: termed LowerReach3.Other remaining Greenway reach, (Table 10).Thisisthefinal Way neartheI-90Bridge l August 2014 l

Page 30 Blueprint for the Restoration and Enhancement of Lake Sammamish Kokanee Tributaries l August 2014 l Page 31 Category One Streams Category Lake Assessment Sammamish LAKE SAMMAMISH STATE PARK Stream restoration 90 Incorporated area boundary

N

N 1

e

w p 0 0.25 0.5 Miles o Pickering Creek r t W 2 ay Category TwoCategory Streams

Tibbetts Creek

Issaquah

900 Streams Three Category Category Four Streams Category

Figure 12. Location of identified restoration/enhancement projects on Tibbetts Creek. Pickering Creek is also shown (adult kokanee have been observed in this tributary). Category Four Streams Category Three Streams Category Two Streams Category One Streams Blueprint for the Restoration andEnhancementofLakeSammamish KokaneeBlueprint fortheRestoration Tributaries 17th AvenueNWintheTibbetts Valley RogerTabor, Park(photocredit: USFWS). project (Tibbetts of LowerReach3).Therightphotograph wastakenjustupstream Greenway Creek fromNW PopularWayupstream relocation neartheI-90Bridge.Thisissiteofproposedstream inTibbetts 13.Kokaneespawningreach Figure December2012.Theleftphotographislooking Creek, • Current orPotentialProject Lead: • EstimatedProject Cost:ongoingambient 1 Water QualityMonitoringandAssessment most upstream) mouthtothe (in orderfromthecreek Creek with Tibbetts Projects Associated City ofIssaquah monitoring program –nofundsneeded conducted bytheCityofIssaquah. restoration programs. Thisproject willbe future stormwatermanagementandhabitat help evaluatetheeffectiveness of current and resource health.Also,thismonitoringwill measure changesandtrends inaquatic – Continuedwaterqualitysamplingwillhelp • Current orPotentialProject Lead: • EstimatedProject Duration (construction): • EstimatedProject Duration(planning& • FundsNeeded:$350,000 • FundsAcquired: $0(CityofIssaquah) • EstimatedProject Cost:$350,000 2 Stream relocation aboveNWPoplarWay City ofIssaquah Not scheduled design): Notscheduled next fewyears. properties mayprovide anopportunity inthe in thepast.Developmentproposals forthe cooperation, whichhasnotbeenpossible This project iscontingent onlandowner stream complexity(LWD, pools,riffles). and restore thestream channeltoprovide Reach 3)–CityofIssaquahplanstorelocate Bridge (TibbettsCreek Greenway Lower l August 2014 l

Page 32 Category One Streams Category Two Streams Category Three Streams Category Four Streams Page 33 Page

l August 2014 2014 August l Description Figure 14. Kokanee reachspawning (between and I-90 12th Avenue Creek,culvert) in Pickering (photo December 2012 credit: Tabor, Roger USFWS). 2006. Stream and riparian 2006. Stream plan. restoration areas Report of the Watershed Company to the City of Issaquah, Washington. The Watershed Company. Company. The Watershed Continue water quality sampling. Restore stream channel to provide stream complexity riffles). pools, (large woody debris, Assessment restoration Stream Issaquah Creek Basin Issaquah Creek and nonpoint action plan. King County Department of Natural Resources and Issaquah/East Lake Sammamish Watershed Management Committee, Seattle, Washington. 2005. Lake Sammamish State Park wetland, stream restoration and lakeshore plan. Report of the Company to the Watershed State Parks & Washington Commission. Recreation King County. 1996. Final King County. Company. The Watershed Water Quality Monitoring and Assessment Quality Monitoring and Water Stream Restoration Way NW Poplar Project Type Name of Project 1 2 Tibbetts Project # of our waters, fourth report. of our waters, fourth report. Issaquah Aquatic Resources Monitoring Report 1999- 2010, Public Works Engineering Department Conservation and Resource Issaquah, Office, Washington. References City of Issaquah. 2011. State Tibbetts Team Members: Team Tibbetts Kerry Ritland (City of Issaquah); Kirk Lakey (WDFW); Roger Brad Thompson, Jeff Tabor, Chan (USFWS); and Hans (King County) Berge Blueprint for the Restoration and Enhancement of Lake Sammamish Kokanee Tributaries Tributaries Restoration the for Blueprint Kokanee Sammamish of Lake Enhancement and Table 10. List of two proposed projects to aid in the restoration 10. List of two proposed projects or monitoring of kokanee spawning Table Creek. relative Project numbers indicate location on the stream (downstreamhabitat on Tibbetts to upstream) and do not indicate priority or schedule of implementation.