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Puget Sound Stream Benthos

Analysis: Benthic Index of Biotic Integrity

Area Project Location or Keyword
Aggregation Score Type Metric
Replicate Handling Taxonomic Resolution/STE (See lists) Taxa at Visit Metrics
Taxa Attributes (See lists) Taxa Mapping Taxa at Visit Filter
Number of Organisms Year
Min: Max: Range from through

RowSite Code,
Location
Year,
Project
QuantitiesScoresView
Samples
Taxa RichnessEphemeroptera RichnessPlecoptera RichnessTrichoptera RichnessEPT RichnessClinger RichnessLong-Lived RichnessIntolerant RichnessPercent DominantPredator PercentTolerant PercentNumber of OrganismsOverall ScoreTaxa RichnessEphemeroptera RichnessPlecoptera RichnessTrichoptera RichnessClinger RichnessLong-Lived RichnessIntolerant RichnessPercent DominantPredator PercentTolerant Percent
108EAS24...Site Code: 08EAS2446Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/28/2024
Ambient Monitoring
King County - DNRP
4637515176146.4%6.0%2.0%50053.46.62.98.65.05.95.01.46.12.59.5Details
2CoalBelR...Site Code: CoalBelRM1.3Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/24/2024
Macroinvertebrates
City of Bellevue
3025310113169.0%2.8%42.6%50016.71.01.45.72.52.41.21.40.00.90.1Details
3CoalBelR...Site Code: CoalBelRM4.0Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/24/2024
Macroinvertebrates
City of Bellevue
5658619218236.4%34.4%3.2%50078.610.05.710.06.28.27.52.98.810.09.3Details
4CoalLow_...Site Code: CoalLow_21Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/22/2024
Macroinvertebrates
City of Bellevue
19122584092.0%0.4%24.4%50010.10.00.01.41.20.62.50.00.00.04.3Details
5CoalRedt...Site Code: CoalRedtown_21Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/23/2024
Macroinvertebrates
City of Bellevue
3736514124064.0%8.8%4.2%50038.23.42.97.15.02.92.50.01.43.99.0Details
6CoalSkagi...Site Code: CoalSkagit_21Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...8/26/2024
Macroinvertebrates
City of Bellevue
18003363094.8%0.0%1.0%50013.50.00.00.02.50.01.20.00.00.09.8Details
708EAS25...Site Code: 08EAS2540Coal Creek (Lake Wash.) tributary (0273)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/16/2024
Ambient Monitoring
King County - DNRP
4244412114156.4%4.8%4.6%50038.05.24.34.33.82.42.51.43.41.98.9Details
8Newcastle...Site Code: NewcastleTrib_21Coal Creek (Lake Wash.) tributary (0275)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/24/2024
Macroinvertebrates
City of Bellevue
3927312126166.6%8.8%24.0%50035.04.11.48.62.52.95.01.40.63.94.4Details
9NewpBel...Site Code: NewpBelRM0.0Newport CreekCoal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/29/2024
Macroinvertebrates
City of Bellevue
26122552064.0%2.2%38.8%5005.60.00.01.41.20.00.00.01.40.61.0Details
10CochranKi...Site Code: CochranKirk1Cochran Springs CreekE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/30/2024
B-IBI
City of Kirkland
2715410106063.0%8.6%52.8%50021.70.00.05.73.81.85.00.01.63.80.0Details
1108EAS_b...Site Code: 08EAS_bug1Fairweather CreekE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Integr...9/17/2024
Integrated Streams Program
King County - DNRP
17102332079.8%10.8%17.8%50012.00.00.00.01.20.00.00.00.04.95.9Details
12YarrowMa...Site Code: YarrowMain_21Yarrow Creek SubbasinE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/24/2024
Macroinvertebrates
City of Bellevue
3845312146153.1%12.6%31.5%49939.63.84.35.72.54.15.01.44.35.82.7Details
13YarrowWe...Site Code: YarrowWestTribBelRM0.2Yarrow Creek SubbasinE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/24/2024
Macroinvertebrates
City of Bellevue
30213673063.0%4.4%53.0%5009.51.01.40.02.50.01.20.01.61.70.0Details
14Lkhrst405...Site Code: Lkhrst405RM0.3Lakehurst CreekE Lake Washington - Bellevue S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/23/2024
Macroinvertebrates
City of Bellevue
23121432084.8%1.0%74.0%5001.40.00.01.40.00.00.00.00.00.00.0Details
1508WES11...Site Code: 08WES1178Lake Washington tributary (0056)E Lake Washington - Kenmore N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/21/2024
Ambient Monitoring
King County - DNRP
32123684068.4%2.4%55.8%5009.61.70.01.42.50.62.50.00.20.70.0Details
1608EAS15...Site Code: 08EAS1536Denny CreekE Lake Washington - Kenmore S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/7/2024
Ambient Monitoring
King County - DNRP
311539104063.4%6.6%5.6%50026.91.40.05.72.51.82.50.01.52.88.7Details
1708EAS21...Site Code: 08EAS2191Forbes Creek (0242)Forbes Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Ambi...8/15/2023
Ambient Monitoring
King County - DNRP
33121495053.0%0.8%39.2%50013.62.10.01.40.01.23.80.04.30.00.9Details
18ForbesKir...Site Code: ForbesKirk1Forbes Creek (0242)Forbes Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, B-IBI ...8/28/2023
B-IBI
City of Kirkland
25122594050.5%1.2%35.1%40213.30.00.01.41.21.22.50.05.00.11.8Details
19ForbesKir...Site Code: ForbesKirk2Forbes Creek (0242)Forbes Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...9/3/2024
B-IBI
City of Kirkland
7010132069.4%0.0%36.1%361.60.00.00.00.00.00.00.00.00.01.6Details
20BillyKirk1, ...Site Code: BillyKirk1Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, B-IBI ...8/22/2023
B-IBI
City of Kirkland
26122552052.6%0.8%14.0%50013.90.00.01.41.20.00.00.04.40.06.7Details
21E1186, Ju...Site Code: E1186Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/15/2024
B-IBI
City of Kirkland
292248133066.4%2.6%40.6%50014.10.71.41.43.83.51.20.00.70.80.6Details
22HazenHill...Site Code: HazenHillsJuanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, B-IBI ...8/24/2023
B-IBI
City of Kirkland
22121443071.4%1.6%70.0%4373.00.00.01.40.00.01.20.00.00.30.0Details
23JuanitaKir...Site Code: JuanitaKirk1Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/22/2024
B-IBI
City of Kirkland
13112473057.1%0.0%10.7%5613.20.00.00.01.20.01.20.03.20.07.5Details
24JuanitaKir...Site Code: JuanitaKirk3Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, B-IBI ...8/22/2023
B-IBI
City of Kirkland
331247147063.0%3.0%16.8%50026.32.10.01.43.84.16.20.01.61.06.1Details
25JuanitaKir...Site Code: JuanitaKirk4Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/22/2024
B-IBI
City of Kirkland
230134122059.3%6.6%4.4%18219.80.00.00.02.52.90.00.02.62.89.0Details
26Kingsgate...Site Code: KingsgateKirk1Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/15/2024
B-IBI
City of Kirkland
302215114052.6%3.0%54.8%50014.21.01.41.40.02.42.50.04.41.00.0Details
2708EAS25...Site Code: 08EAS2546East CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/30/2024
Ambient Monitoring
King County - DNRP
23112472078.6%3.6%66.8%5002.60.00.00.01.20.00.00.00.01.30.0Details
28Goff132nd...Site Code: Goff132nd_21Goff CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/23/2024
Macroinvertebrates
City of Bellevue
15112452092.8%0.4%16.4%5007.40.00.00.01.20.00.00.00.00.06.2Details
29GoffBelR...Site Code: GoffBelRM1.4Goff CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/24/2024
Macroinvertebrates
City of Bellevue
23113554068.2%4.4%60.2%5006.90.00.00.02.50.02.50.00.21.70.0Details
30GoffUsBp...Site Code: GoffUsBp_21Goff CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2021, Macr...8/2/2021
Macroinvertebrates
City of Bellevue
27113555067.6%2.2%53.0%5007.20.00.00.02.50.03.80.00.40.60.0Details
3108EAS22...Site Code: 08EAS2272Kelsey CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/30/2024
Ambient Monitoring
King County - DNRP
311247107073.8%2.2%29.8%50018.21.40.01.43.81.86.20.00.00.63.1Details
32KelBelRM...Site Code: KelBelRM0.2Kelsey CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/23/2024
Macroinvertebrates
City of Bellevue
35113593054.4%3.6%19.4%50018.42.80.00.02.51.21.20.03.91.35.5Details
33KelBelRM...Site Code: KelBelRM2.3Kelsey CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Macr...8/15/2022
Macroinvertebrates
City of Bellevue
321258133057.4%1.0%8.0%50024.21.70.01.45.03.51.20.03.10.08.1Details
34KelBelRM...Site Code: KelBelRM2.4Kelsey CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...8/12/2024
Macroinvertebrates
City of Bellevue
311236124065.6%3.2%6.6%50021.21.40.01.42.52.92.50.00.91.18.5Details
35KelBelRM...Site Code: KelBelRM3.9Kelsey CreekKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/23/2024
Macroinvertebrates
City of Bellevue
25110251057.4%2.6%35.6%5005.70.00.00.00.00.00.00.03.10.81.7Details
36WestTribF...Site Code: WestTribFarmRM0.4Kelsey Creek, West TributaryKelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/23/2024
Macroinvertebrates
City of Bellevue
28122564064.6%2.4%38.8%5008.40.30.01.41.20.02.50.01.20.71.0Details
37ValleyAPT...Site Code: ValleyAPTS_21Valley Creek (Bellevue)Kelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/29/2024
Macroinvertebrates
City of Bellevue
25313796066.4%0.6%16.8%50018.30.02.90.02.51.25.00.00.70.06.1Details
38ValleyBG...Site Code: ValleyBGC_21Valley Creek (Bellevue)Kelsey Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/22/2024
Macroinvertebrates
City of Bellevue
30122543049.0%4.6%32.6%50014.61.00.01.41.20.01.20.05.41.82.4Details
3908CED28...Site Code: 08CED2898Cedar River - Lower tributary (0311)Lower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/3/2024
Ambient Monitoring
King County - DNRP
4353412126138.2%17.2%5.6%50052.35.55.72.93.82.95.01.48.38.18.7Details
4008CED49...Site Code: 08CED4975Hotel Creek (0342)Lower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Ambi...7/21/2022
Ambient Monitoring
King County - DNRP
4186519197630.9%11.0%7.0%47372.24.810.07.15.07.16.28.610.05.08.4Details
4108CED27...Site Code: 08CED2711Madsen CreekLower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/29/2024
Ambient Monitoring
King County - DNRP
3734411154150.0%2.6%21.6%50033.93.42.94.33.84.72.51.45.10.85.0Details
4208CED24...Site Code: 08CED2433Maplewood CreekLower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...9/25/2024
Ambient Monitoring
King County - DNRP
3435513125254.2%3.0%13.0%50037.52.42.95.75.02.93.82.94.01.07.0Details
4308CED25...Site Code: 08CED2518Molasses CreekLower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...9/26/2024
Ambient Monitoring
King County - DNRP
3425411136063.8%8.8%8.6%50035.12.41.45.73.83.55.00.01.43.98.0Details
4408CED41...Site Code: 08CED4192Rock Creek (Lower Cedar)Lower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...9/4/2024
Ambient Monitoring
King County - DNRP
527810252710840.6%6.0%15.2%50083.88.68.610.010.010.010.010.07.72.56.5Details
4531I, Taylor ...Site Code: 31ITaylor Creek/Jem Creek (Lower Cedar)Lower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Regul...10/5/2022
Regulatory Effectiveness
King County - DNRP
4188925248637.4%13.4%12.6%50089.310.010.010.010.010.07.58.610.06.27.1Details
4608CED_b...Site Code: 08CED_bug1Webster Creek - Upper (0341)Lower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/14/2024
Ambient Monitoring
King County - DNRP
5361082425121160.6%10.4%0.6%50081.79.07.110.08.810.010.010.02.34.79.9Details
4708CED50...Site Code: 08CED5046Webster Creek - Upper (0341)Lower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/14/2024
Ambient Monitoring
King County - DNRP
5771683127151335.8%32.0%3.6%50095.510.08.610.08.810.010.010.09.010.09.2Details
4831Q, Web...Site Code: 31QWebster Creek - Upper (0341)Lower Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Regul...10/5/2022
Regulatory Effectiveness
King County - DNRP
41891027279853.4%10.6%0.6%50090.910.010.010.010.010.08.810.07.54.89.9Details
4908WES_b...Site Code: 08WES_bug1Lyon CreekLyon Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Integr...10/7/2024
Integrated Streams Program
King County - DNRP
3425512148039.4%7.8%24.0%50042.02.41.45.75.04.17.50.08.03.44.4Details
5008WES09...Site Code: 08WES0905Lyon CreekLyon Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/29/2024
Ambient Monitoring
King County - DNRP
4145413188041.6%25.3%16.0%36856.24.84.35.73.86.57.50.07.410.06.3Details
51LyonLFPS...Site Code: LyonLFPS35thLyon CreekLyon Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Benth...9/28/2024
Benthic Invertebrates
City of Lake Forest Park
2945615157044.0%3.8%17.6%50051.96.24.35.76.25.96.20.010.01.45.9Details
52LyonLFPS...Site Code: LyonLFPSFieneLyon CreekLyon Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Benth...9/28/2024
Benthic Invertebrates
City of Lake Forest Park
2925411137050.0%5.8%14.8%50045.46.21.45.73.84.76.20.08.42.46.6Details
5308EAS19...Site Code: 08EAS1964May Creek (Lake Washington)May Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...9/25/2024
Ambient Monitoring
King County - DNRP
4256314197260.2%8.2%5.6%50051.45.25.77.12.57.16.22.92.43.68.7Details
5408EAS20...Site Code: 08EAS2058May Creek (Lake Washington)May Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/28/2024
Ambient Monitoring
King County - DNRP
4737414196163.8%5.8%39.0%50040.36.92.98.63.87.15.01.41.42.40.9Details
5508EAS26...Site Code: 08EAS2631May Creek (Lake Washington)May Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/26/2024
Ambient Monitoring
King County - DNRP
5244614199335.2%11.1%6.1%49466.38.64.34.36.27.18.84.39.15.18.6Details
5608WES09...Site Code: 08WES0903McAleer CreekMcAleer Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/5/2024
Ambient Monitoring
King County - DNRP
3533410155055.8%3.4%34.8%50027.42.82.92.93.84.73.80.03.61.21.9Details
572900Perki...Site Code: 2900PerkinsWayMcAleer CreekMcAleer Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Benth...10/9/2022
Benthic Invertebrates
City of Lake Forest Park
2854615177157.4%8.4%10.2%50054.55.75.74.36.27.16.21.46.53.77.6Details
58McAlLFP...Site Code: McAlLFPS196thMcAleer CreekMcAleer Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Benth...9/28/2024
Benthic Invertebrates
City of Lake Forest Park
3064616164147.6%5.8%28.2%50049.66.77.14.36.26.52.51.49.12.43.4Details
59McAlLFP...Site Code: McAlLFPSAnmlAcresMcAleer CreekMcAleer Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Benth...9/28/2024
Benthic Invertebrates
City of Lake Forest Park
2314510106077.3%2.7%3.3%44931.93.30.04.35.02.95.00.01.20.99.2Details
60SunsetCC...Site Code: SunsetCC_21Sunset CreekMercer Slough SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/22/2024
Macroinvertebrates
City of Bellevue
24011230062.9%1.0%5.4%49910.40.00.00.00.00.00.00.01.60.08.7Details
61SunsetRa...Site Code: SunsetRavine_21Sunset CreekMercer Slough SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Macr...7/22/2024
Macroinvertebrates
City of Bellevue
24130454174.9%0.6%46.6%4986.80.00.02.90.00.02.51.40.00.00.0Details
6208WES06...Site Code: 08WES0629Maple Leaf CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...9/17/2024
Ambient Monitoring
King County - DNRP
25112464074.2%2.2%45.0%5004.30.00.00.01.20.02.50.00.00.60.0Details
6395T, Thor...Site Code: 95TThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/30/2023
Project Evaluation
City of Seattle
13201363096.6%0.0%1.6%50012.30.01.40.00.00.01.20.00.00.09.6Details
64KNKC, Th...Site Code: KNKCThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...10/3/2023
Project Evaluation
City of Seattle
28113584062.8%4.2%22.2%50014.00.30.00.02.50.62.50.01.71.64.8Details
65KNKT_D, ...Site Code: KNKT_DThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...10/3/2023
Project Evaluation
City of Seattle
28113586064.2%2.4%17.0%50016.50.30.00.02.50.65.00.01.30.76.0Details
66KNKT_U, ...Site Code: KNKT_UThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...10/3/2023
Project Evaluation
City of Seattle
21113564067.0%2.4%20.0%50011.60.00.00.02.50.02.50.00.50.75.3Details
67KNKT-U, ...Site Code: KNKT-UThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Statu...8/30/2022
Status & Trends
City of Seattle
22113574069.4%1.2%48.2%5005.10.00.00.02.50.02.50.00.00.10.0Details
68LCPFP_1, ...Site Code: LCPFP_1Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...10/3/2023
Project Evaluation
City of Seattle
19112464070.2%1.2%49.4%5003.90.00.00.01.20.02.50.00.00.10.0Details
69LCPFP_2, ...Site Code: LCPFP_2Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/16/2023
Project Evaluation
City of Seattle
23123675070.6%3.2%70.0%5008.80.00.01.42.50.03.80.00.01.10.0Details
70NFCC, Th...Site Code: NFCCThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...10/3/2023
Project Evaluation
City of Seattle
281045107060.2%9.0%23.4%50023.00.30.00.03.81.86.20.02.44.04.6Details
71NFCT, Th...Site Code: NFCTThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/28/2023
Project Evaluation
City of Seattle
351258139049.4%10.0%48.8%50031.32.80.01.45.03.58.80.05.34.50.0Details
72SFCC, Th...Site Code: SFCCThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/21/2023
Project Evaluation
City of Seattle
24114684069.0%2.2%61.6%5007.40.00.00.03.80.62.50.00.00.60.0Details
73SFCT, Th...Site Code: SFCTThornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/21/2023
Project Evaluation
City of Seattle
30112475074.2%1.6%39.0%5007.31.00.00.01.20.03.80.00.00.30.9Details
74TCA001, ...Site Code: TCA001Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Sno-...9/16/2024
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
20112485066.0%1.2%29.0%5009.80.00.00.01.20.63.80.00.80.13.3Details
75TMMA119...Site Code: TMMA1199Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Statu...8/16/2023
Status & Trends
City of Seattle
281247106070.2%3.2%42.2%50013.60.30.01.43.81.85.00.00.01.10.2Details
76TMMA316...Site Code: TMMA3168Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Statu...9/3/2024
Status & Trends
City of Seattle
14101243096.2%0.0%2.0%50010.80.00.00.00.00.01.20.00.00.09.5Details
77TMMA875...Site Code: TMMA8751Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Statu...10/3/2023
Status & Trends
City of Seattle
331034118063.6%1.8%62.8%50016.32.10.00.02.52.47.50.01.50.40.0Details
78TNMA060...Site Code: TNMA0609Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Statu...8/16/2023
Status & Trends
City of Seattle
22114693074.0%0.4%59.2%5006.20.00.00.03.81.21.20.00.00.00.0Details
79TNMA767...Site Code: TNMA7673Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Statu...8/21/2023
Status & Trends
City of Seattle
18122543073.4%6.0%78.8%5006.40.00.01.41.20.01.20.00.02.50.0Details
80TSMA661...Site Code: TSMA6612Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2021, Statu...8/10/2021
Status & Trends
City of Seattle
20103463076.8%0.8%61.8%5003.80.00.00.02.50.01.20.00.00.00.0Details
81TSMA777...Site Code: TSMA7774Thornton CreekThornton Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Statu...8/21/2023
Status & Trends
City of Seattle
251247104048.4%0.6%21.4%50020.00.00.01.43.81.82.50.05.60.05.0Details
8208CED50...Site Code: 08CED5032Rock Creek (Upper Cedar)Upper Cedar River SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/14/2024
Ambient Monitoring
King County - DNRP
546108242591038.4%19.2%9.0%50089.29.37.110.08.810.08.810.08.39.17.9Details
8308WES06...Site Code: 08WES0622Ravenna CreekW Lake Washington - Seattle N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...9/3/2024
Ambient Monitoring
King County - DNRP
313328136176.8%2.2%44.4%50018.91.42.92.91.23.55.01.40.00.60.0Details
8408WES15...Site Code: 08WES1579Lake Washington tributaryW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/31/2024
Ambient Monitoring
King County - DNRP
19120333059.4%1.6%32.6%5008.00.00.01.40.00.01.20.02.60.32.4Details
8508WES14...Site Code: 08WES1490Lake Washington tributary (0464B)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/31/2024
Ambient Monitoring
King County - DNRP
18111363053.4%1.0%34.4%5007.50.00.00.00.00.01.20.04.20.02.0Details
8608WES10...Site Code: 08WES1037Mapes CreekW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...8/26/2024
Ambient Monitoring
King County - DNRP
36342995046.2%3.4%23.4%50028.33.12.94.31.21.23.80.06.21.24.6Details
87MA01, Ma...Site Code: MA01Mapes CreekW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/9/2023
Project Evaluation
City of Seattle
29101275050.4%1.2%13.8%50016.40.70.00.00.00.03.80.05.00.16.8Details
88MAMA625...Site Code: MAMA6255Mapes CreekW Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Statu...9/19/2022
Status & Trends
City of Seattle
30225995062.6%1.4%59.8%50015.71.01.41.45.01.23.80.01.70.20.0Details
8908WES13...Site Code: 08WES1340Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, Ambi...7/31/2024
Ambient Monitoring
King County - DNRP
30143896054.6%17.0%17.8%50031.71.00.04.32.51.25.00.03.98.05.9Details
90TA03, Tayl...Site Code: TA03Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Statu...8/11/2022
Status & Trends
City of Seattle
304431195052.0%9.0%13.4%50032.51.04.34.32.51.23.80.04.64.06.9Details
91TAEF625...Site Code: TAEF6250Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Statu...8/11/2022
Status & Trends
City of Seattle
303441174047.6%12.2%17.0%50031.91.02.94.33.80.02.50.05.85.66.0Details
92TAMA_C...Site Code: TAMA_CONFTaylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/2/2023
Project Evaluation
City of Seattle
303531175058.8%25.0%6.6%50037.11.02.95.72.50.03.80.02.810.08.5Details
93TAMA_M...Site Code: TAMA_MOUTHTaylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/2/2023
Project Evaluation
City of Seattle
32233884061.2%12.8%12.6%50026.71.71.42.92.50.62.50.02.15.97.1Details
94TAMA746...Site Code: TAMA7468Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Statu...8/16/2022
Status & Trends
City of Seattle
24232773071.4%6.0%19.6%50014.70.01.42.91.20.01.20.00.02.55.4Details
95TAWF484...Site Code: TAWF4847Taylor Creek (W Lake Washington)W Lake Washington - Seattle S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2022, Statu...8/11/2022
Status & Trends
City of Seattle
29153994162.6%9.0%30.2%50022.70.70.05.72.51.22.51.41.74.03.0Details
96BC-DS1, ...Site Code: BC-DS1Boeing CreekBoeing Creek SubbasinPuget Sound (Cedar-Sammamish) BasinWRIA 8 - Cedar-Sammamish2022, Boein...6/9/2022
Boeing Creek - Hidden Lake Dam Removal Biomonitoring
University of Washington
33113563059.2%8.7%48.1%49512.32.10.00.02.50.01.20.02.63.90.0Details
97BC-DS2, ...Site Code: BC-DS2Boeing CreekBoeing Creek SubbasinPuget Sound (Cedar-Sammamish) BasinWRIA 8 - Cedar-Sammamish2022, Boein...6/9/2022
Boeing Creek - Hidden Lake Dam Removal Biomonitoring
University of Washington
30132674058.4%12.1%19.4%46421.51.00.02.91.20.02.50.02.95.65.5Details
98BC-US1, ...Site Code: BC-US1Boeing CreekBoeing Creek SubbasinPuget Sound (Cedar-Sammamish) BasinWRIA 8 - Cedar-Sammamish2022, Boein...6/10/2022
Boeing Creek - Hidden Lake Dam Removal Biomonitoring
University of Washington
23213653052.0%14.5%3.3%15225.80.01.40.02.50.01.20.04.66.89.2Details
99BC-US2, ...Site Code: BC-US2Boeing CreekBoeing Creek SubbasinPuget Sound (Cedar-Sammamish) BasinWRIA 8 - Cedar-Sammamish2022, Boein...6/10/2022
Boeing Creek - Hidden Lake Dam Removal Biomonitoring
University of Washington
31125862057.7%10.7%3.6%36624.91.40.01.45.00.00.00.03.14.99.2Details
100MOHL, M...Site Code: MOHLMohlendorph CreekPipers Creek SubbasinPuget Sound (Cedar-Sammamish) BasinWRIA 8 - Cedar-Sammamish2023, Proje...8/7/2023
Project Evaluation
City of Seattle
26133753068.2%1.0%39.0%5007.80.00.02.92.50.01.20.00.20.00.9Details
215 scores generated from 7833 sample taxa on Monday, June 2, 2025 10:00:32 AM. (0.06 seconds)
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LegendExcellentExcellent/GoodGoodGood/FairFairFair/PoorPoorPoor/Very PoorVery Poor