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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
1BIO06600...Site Code: BIO06600-RACE77Racehorse CreekRacehorse Creek SubbasinN Fork Nooksack River BasinWRIA 1 - Nooksack2022, Ambi...9/7/2022
Ambient Freshwater Biological Monitoring Program
Washington State Department of Ecology
341089271961142.6%12.8%0.0%50087.78.610.010.010.08.25.010.010.05.910.0Details
2SQCR_0....Site Code: SQCR_0.14Squalicum CreekSqualicum Creek SubbasinNooksack River Delta BasinWRIA 1 - Nooksack2025, Annu...7/23/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
11102341098.2%0.2%0.2%50011.20.00.00.01.20.00.00.00.00.010.0Details
3SQCR_2....Site Code: SQCR_2.10Squalicum CreekSqualicum Creek SubbasinNooksack River Delta BasinWRIA 1 - Nooksack2025, Annu...7/24/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
20100123089.0%2.8%31.6%5006.71.90.00.00.00.01.20.00.00.92.7Details
4BIO06600...Site Code: BIO06600-CHUC02Chuckanut CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2023, Ambi...8/15/2023
Ambient Freshwater Biological Monitoring Program
Washington State Department of Ecology
35103619185548.0%4.6%2.4%50066.99.010.02.96.27.63.87.18.91.89.4Details
5CHCR_0....Site Code: CHCR_0.14Chuckanut CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/22/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
234239134278.8%1.0%43.4%50022.53.34.31.42.54.72.52.90.80.00.0Details
6CHCR_0....Site Code: CHCR_0.67Chuckanut CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/22/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
3183516196757.8%1.8%4.8%50063.97.110.02.95.08.25.010.06.40.48.9Details
7HACR_0....Site Code: HACR_0.33Hannah CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/21/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
253451286057.6%9.8%13.2%50040.94.32.94.35.01.85.00.06.44.46.9Details
8PACR_0.0...Site Code: PACR_0.06Padden CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/21/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
6001112098.8%0.0%0.0%48310.00.00.00.00.00.00.00.00.00.010.0Details
9PACR_1.4...Site Code: PACR_1.48Padden CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/21/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
19341853175.2%3.2%42.4%50014.31.42.94.30.00.01.21.41.81.10.1Details
10PACR_1.8...Site Code: PACR_1.88Padden CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/21/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
2746414147356.0%10.2%17.2%50053.75.24.37.13.85.36.24.36.84.66.0Details
11WHCR_0....Site Code: WHCR_0.29Whatcom CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/22/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
18213684190.8%0.8%31.2%50013.31.01.40.02.51.82.51.40.00.02.7Details
12WHCR_1....Site Code: WHCR_1.34Whatcom CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/22/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
16422881083.0%0.4%51.4%5008.70.04.31.41.21.80.00.00.00.00.0Details
13WHCR_1....Site Code: WHCR_1.96Whatcom CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/22/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
3145615145156.4%25.2%16.0%50056.97.14.35.76.25.33.81.46.710.06.3Details
14WHCR_2....Site Code: WHCR_2.60Whatcom CreekBellingham Bay SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2025, Annu...7/22/2025
Annual Macroinvertebrate Monitoring Program
City of Bellingham
2846717176354.2%8.0%16.4%50058.05.74.37.17.57.15.04.37.33.56.2Details
15BIO06600...Site Code: BIO06600-AUST02Austin CreekLake Whatcom SubbasinWhatcom-Chuckanut BasinWRIA 1 - Nooksack2024, Ambi...8/5/2024
Ambient Freshwater Biological Monitoring Program
Washington State Department of Ecology
39881026207948.4%11.0%0.0%50088.910.010.010.010.08.86.210.08.85.010.0Details
16FOR, For...Site Code: FORFornsby CreekFidalgo Island SubbasinFidalgo BasinWRIA 3 - Lower Skagit / Samish2025, Swin...8/27/2025
Swinomish Indian Tribal Community Stream Bioassessment Monitoring
Swinomish Indian Tribal Community
293431054055.9%16.0%8.5%46940.76.22.94.32.50.02.50.06.97.58.0Details
17MUN, Mu...Site Code: MUNMunks CreekFidalgo Island SubbasinFidalgo BasinWRIA 3 - Lower Skagit / Samish2025, Swin...8/25/2025
Swinomish Indian Tribal Community Stream Bioassessment Monitoring
Swinomish Indian Tribal Community
222261085154.5%19.8%37.1%20236.92.91.41.46.21.83.81.47.29.41.4Details
18SNE, Sne...Site Code: SNESneeOosh CreekFidalgo Island SubbasinFidalgo BasinWRIA 3 - Lower Skagit / Samish2025, Swin...8/28/2025
Swinomish Indian Tribal Community Stream Bioassessment Monitoring
Swinomish Indian Tribal Community
23222665041.9%15.9%16.8%32735.33.31.41.41.20.63.80.010.07.56.1Details
1905B, Cher...Site Code: 05BCherry CreekCherry Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2022, Regul...10/3/2022
Regulatory Effectiveness
King County - DNRP
3769722167445.4%15.0%0.4%50079.610.07.110.07.56.56.25.79.67.09.9Details
2007CHR_b...Site Code: 07CHR_bug1Cherry CreekCherry Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Integr...9/15/2025
Integrated Streams Program
King County - DNRP
2774415143346.6%1.6%16.6%50048.45.28.64.33.85.31.24.39.30.36.1Details
2107CHR04...Site Code: 07CHR045515Cherry CreekCherry Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...9/3/2025
Ambient Monitoring
King County - DNRP
3596823225461.0%9.4%4.2%50073.29.010.07.18.810.03.85.75.54.29.0Details
2207CHR23...Site Code: 07CHR234411Cherry CreekCherry Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...9/15/2025
Ambient Monitoring
King County - DNRP
3386418184143.6%5.2%23.8%50057.18.110.07.13.87.62.51.410.02.14.5Details
23Cherry_Cr...Site Code: Cherry_Creek_1Cherry CreekCherry Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Uppe...7/30/2025
Upper Cherry Creek
Washington Department of Natural Resources
2467215148553.6%15.5%0.0%8465.43.87.18.61.25.37.57.17.57.310.0Details
24Cherry_Cr...Site Code: Cherry_Creek_2Cherry CreekCherry Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Uppe...7/30/2025
Upper Cherry Creek
Washington Department of Natural Resources
2782111118530.5%30.5%1.7%5964.45.210.01.40.03.57.57.110.010.09.6Details
2507CHR07...Site Code: 07CHR070059Margaret CreekCherry Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...9/3/2025
Ambient Monitoring
King County - DNRP
411099282781036.6%14.8%0.4%50094.310.010.010.010.010.07.510.010.06.99.9Details
2607GRN_b...Site Code: 07GRN_bug1Griffin CreekGriffin Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2024, Integr...8/21/2024
Integrated Streams Program
King County - DNRP
4287924277642.2%10.0%3.6%50087.110.010.08.610.010.06.28.610.04.59.2Details
2707GRN02...Site Code: 07GRN022903Griffin CreekGriffin Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/14/2025
Ambient Monitoring
King County - DNRP
3496924268751.6%8.6%7.4%50083.38.610.07.110.010.07.510.08.03.88.3Details
2807GRN07...Site Code: 07GRN077319Griffin CreekGriffin Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/20/2025
Ambient Monitoring
King County - DNRP
3877923268540.8%8.6%0.4%50085.510.08.68.610.010.07.57.110.03.89.9Details
29SEN0660...Site Code: SEN06600-GRIF09Griffin CreekGriffin Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2024, Statu...7/2/2024
Status and Trends WA Statewide Sentinel Site Monitoring
Washington State Department of Ecology
3596823267756.6%7.4%14.0%50077.89.010.07.18.810.06.210.06.73.26.7Details
3007PAT001...Site Code: 07PAT001415Mud CreekGriffin Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/14/2025
Ambient Monitoring
King County - DNRP
2956718159561.2%5.0%39.6%50056.66.25.77.17.55.98.87.15.52.00.8Details
3107PAT231...Site Code: 07PAT231079Snoqualmie River tributary (0430)Griffin Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/4/2025
Ambient Monitoring
King County - DNRP
405910241810663.6%11.8%2.2%50081.710.05.710.010.07.610.08.64.85.49.5Details
3207HAR07...Site Code: 07HAR070087Ames CreekHarris Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...7/29/2025
Ambient Monitoring
King County - DNRP
3052714145158.2%16.8%9.2%50053.86.75.71.47.55.33.81.46.37.97.9Details
3307HAR02...Site Code: 07HAR025863Snoqualmie River tributary (Harris Creek subbasin)Harris Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...7/29/2025
Ambient Monitoring
King County - DNRP
37667192110649.6%10.0%1.2%50082.510.07.17.17.59.410.08.68.54.59.7Details
3453E, Weis...Site Code: 53EWeiss CreekHarris Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2022, Regul...10/3/2022
Regulatory Effectiveness
King County - DNRP
3086721195757.8%7.8%19.4%50068.66.710.07.17.58.23.810.06.43.45.5Details
3507PAT_bu...Site Code: 07PAT_bug2Coal Creek (Snoqualmie River)Kimball Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Integr...9/9/2025
Integrated Streams Program
King County - DNRP
3478722206547.0%10.0%3.4%50078.58.68.610.07.58.85.07.19.24.59.2Details
3607PAT228...Site Code: 07PAT228627Coal Creek (Snoqualmie River)Kimball Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...9/11/2025
Ambient Monitoring
King County - DNRP
3786822227644.4%11.4%8.0%50083.910.010.07.18.810.06.28.69.95.28.1Details
3707PAT166...Site Code: 07PAT166087Canyon Creek (Snoqualmie River)Patterson Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/4/2025
Ambient Monitoring
King County - DNRP
36686201910443.4%5.8%5.4%50078.09.57.110.06.28.210.05.710.02.48.7Details
3807PAT_bu...Site Code: 07PAT_bug1Patterson CreekPatterson Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Integr...8/4/2025
Integrated Streams Program
King County - DNRP
2526412145259.4%3.8%2.6%50045.34.31.47.13.85.33.82.95.91.49.4Details
3907PAT187...Site Code: 07PAT187623Patterson CreekPatterson Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/21/2025
Ambient Monitoring
King County - DNRP
2932712145258.8%4.2%1.4%50047.36.22.91.47.55.33.82.96.11.69.7Details
4007RAG01...Site Code: 07RAG018227Raging River tributaryRaging River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...9/24/2025
Ambient Monitoring
King County - DNRP
3586822238849.2%14.8%0.2%50087.99.010.07.18.810.07.510.08.66.910.0Details
4107RAG00...Site Code: 07RAG002867Snoqualmie River tributary (Raging River subbasin)Raging River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/14/2025
Ambient Monitoring
King County - DNRP
45910123125131225.0%24.2%0.6%50099.910.010.010.010.010.010.010.010.010.09.9Details
4207RAG02...Site Code: 07RAG022147Snoqualmie River tributary (Raging River subbasin)Raging River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/14/2025
Ambient Monitoring
King County - DNRP
43999272013842.6%14.4%1.6%50095.210.010.010.010.08.810.010.010.06.79.6Details
4307TKL047...Site Code: 07TKL047047Tokul CreekTokul Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/26/2025
Ambient Monitoring
King County - DNRP
3098522218944.4%3.6%3.4%50079.06.710.010.05.09.47.510.09.91.39.2Details
4407TKL072...Site Code: 07TKL072439Tokul CreekTokul Creek SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2025, Ambi...8/26/2025
Ambient Monitoring
King County - DNRP
3487621209640.2%24.2%0.2%50089.58.610.08.66.28.88.88.610.010.010.0Details
4507LNT16...Site Code: 07LNT163403Lower S Fork Tolt River tributary (0303)Tolt River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2024, Ambi...9/11/2024
Ambient Monitoring
King County - DNRP
429119292291047.4%10.6%1.2%50092.410.010.010.010.010.08.810.09.14.89.7Details
46NFTolt_S...Site Code: NFTolt_STAF_S1R1Tolt River - N ForkTolt River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2023, NF T...9/7/2023
NF Tolt
Wild Fish Conservancy
361079262441049.8%9.0%0.8%50082.99.510.08.610.010.02.510.08.54.09.8Details
47NFTolt_S...Site Code: NFTolt_STAF_S2R1Tolt River - N ForkTolt River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2023, NF T...9/7/2023
NF Tolt
Wild Fish Conservancy
2986923182764.0%2.0%0.0%50066.26.210.07.110.07.60.010.04.70.510.0Details
48NFTolt_S...Site Code: NFTolt_STAF_S3R1Tolt River - N ForkTolt River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2023, NF T...9/7/2023
NF Tolt
Wild Fish Conservancy
3285922196964.4%7.0%0.0%50074.27.610.05.710.08.25.010.04.63.010.0Details
49Tolt_trib_l...Site Code: Tolt_trib_lowerUnnamed Tolt River tributary (0294)Tolt River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2022, Unna...8/31/2022
Unnamed Tributary to Lower Tolt River 2022
Snoqualmie Tribe
26413893072.2%1.0%24.9%41821.94.84.30.02.52.41.20.02.60.04.2Details
50Tolt_trib_u...Site Code: Tolt_trib_upperUnnamed Tolt River tributary (0294)Tolt River SubbasinLower Snoqualmie BasinWRIA 7 - Snohomish2022, Unna...9/1/2022
Unnamed Tributary to Lower Tolt River 2022
Snoqualmie Tribe
3236817168151.8%9.8%13.2%50061.07.62.97.18.86.57.51.47.94.46.9Details
51Edg, Edg...Site Code: EdgEdgewater CreekEverett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/14/2025
Ambient Monitoring
City of Everett
24143865068.2%7.2%15.8%50028.03.80.04.32.50.63.80.03.63.16.3Details
52Gle, Glen...Site Code: GleGlenwood CreekEverett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/13/2025
Ambient Monitoring
City of Everett
2436413106038.8%22.7%13.6%24252.33.82.97.13.82.95.00.010.010.06.8Details
53Jap, Japa...Site Code: JapJapanese CreekEverett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/5/2025
Ambient Monitoring
City of Everett
24233886056.7%10.6%28.0%49032.33.81.42.92.51.85.00.06.74.83.5Details
54Mer, Merri...Site Code: MerMerrill and Ring CreekEverett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/13/2025
Ambient Monitoring
City of Everett
2533410115069.4%3.0%30.6%50028.24.32.92.93.83.53.80.03.31.02.9Details
55Pig1, Pige...Site Code: Pig1Pigeon CreekEverett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/12/2025
Ambient Monitoring
City of Everett
21123673068.7%11.4%26.9%29721.22.40.01.42.51.21.20.03.55.23.7Details
56Pig2, Pige...Site Code: Pig2Pigeon CreekEverett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/5/2025
Ambient Monitoring
City of Everett
2434310113063.8%15.1%15.1%19936.63.82.94.32.53.51.20.04.87.16.5Details
57Pow, Pow...Site Code: PowPowder Mill CreekEverett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/13/2025
Ambient Monitoring
City of Everett
2626412106055.8%14.3%6.4%26547.14.81.47.13.82.95.00.06.96.78.5Details
58Woo, Woo...Site Code: WooWoods Creek (Everett)Everett SubbasinSnohomish BasinWRIA 7 - Snohomish2025, Ambi...8/5/2025
Ambient Monitoring
City of Everett
21342995168.8%16.8%17.8%41635.52.42.94.31.22.43.81.43.57.95.9Details
59TTW044H...Site Code: TTW044HS-WFQC02Quilceda CreekQuilceda Creek SubbasinSnohomish BasinWRIA 7 - Snohomish2024, Tulali...8/6/2024
Tulalip Tribes Watershed Health Stream Monitoring
The Tulalip Tribes
24432994171.3%6.0%1.4%28233.53.84.32.91.22.42.51.42.82.59.7Details
60TTW044H...Site Code: TTW044HS-TULA01Tulalip CreekTulalip Creek SubbasinSnohomish BasinWRIA 7 - Snohomish2024, Tulali...9/3/2024
Tulalip Tribes Watershed Health Stream Monitoring
The Tulalip Tribes
3667821175246.0%6.2%10.0%50067.49.57.18.68.87.13.82.99.52.67.7Details
6107LMS02...Site Code: 07LMS026663Snoqualmie River - Middle Fork tributary (Lower)Lower Middle Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/27/2025
Ambient Monitoring
King County - DNRP
38988252611837.0%11.8%0.0%50094.210.010.010.08.810.010.010.010.05.410.0Details
6207LMS03...Site Code: 07LMS033235Snoqualmie River - Middle Fork tributary (Lower)Lower Middle Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/21/2025
Ambient Monitoring
King County - DNRP
3586822247344.0%8.4%6.2%50077.79.010.07.18.810.06.24.310.03.78.6Details
6307LMS05...Site Code: 07LMS055075Snoqualmie River - Middle Fork tributary (Lower)Lower Middle Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/27/2025
Ambient Monitoring
King County - DNRP
416138272210834.0%19.4%0.6%50095.010.07.110.08.810.010.010.010.09.29.9Details
6407LMS09...Site Code: 07LMS093027Snoqualmie River - Middle Fork tributary (Lower)Lower Middle Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2023, Ambi...9/21/2023
Ambient Monitoring
King County - DNRP
3368620227472.4%6.8%1.6%50068.58.17.110.06.210.06.25.72.52.99.6Details
6507LMS10...Site Code: 07LMS103591Snoqualmie River - Middle Fork tributary (Lower)Lower Middle Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/21/2025
Ambient Monitoring
King County - DNRP
3981010282310942.8%12.0%0.0%50095.510.010.010.010.010.010.010.010.05.510.0Details
6607LMS21...Site Code: 07LMS213875Snoqualmie River - Middle Fork tributary (Lower)Lower Middle Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/27/2025
Ambient Monitoring
King County - DNRP
3577721268840.8%20.8%0.8%50090.99.08.68.67.510.07.510.010.09.99.8Details
6707SFS00...Site Code: 07SFS009443Snoqualmie River - S Fork tributaryS Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/20/2025
Ambient Monitoring
King County - DNRP
37561021278445.8%9.8%4.6%50078.910.05.77.110.010.07.55.79.54.48.9Details
6807SFS011...Site Code: 07SFS011059Snoqualmie River - S Fork tributaryS Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/27/2025
Ambient Monitoring
King County - DNRP
3898926309761.8%9.6%3.8%50087.510.010.010.010.010.08.810.05.34.39.1Details
6907SFS011...Site Code: 07SFS011475Snoqualmie River - S Fork tributaryS Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/20/2025
Ambient Monitoring
King County - DNRP
3575820249767.2%17.2%0.2%50082.89.08.65.78.810.08.810.03.98.110.0Details
7007SFS04...Site Code: 07SFS041891Snoqualmie River - S Fork tributaryS Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/20/2025
Ambient Monitoring
King County - DNRP
2974718185477.0%4.0%0.0%50056.56.28.64.37.57.63.85.71.31.510.0Details
7107SFS06...Site Code: 07SFS066611Snoqualmie River - S Fork tributaryS Fork Snoqualmie SubbasinSnoqualmie Forks BasinWRIA 7 - Snohomish2025, Ambi...8/20/2025
Ambient Monitoring
King County - DNRP
352117201510256.8%16.6%1.0%50070.99.01.410.07.55.910.02.96.67.89.8Details
7208EAS24...Site Code: 08EAS2446Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Ambi...7/10/2025
Ambient Monitoring
King County - DNRP
2847617135158.4%16.6%1.2%50058.45.74.38.66.24.73.81.46.27.89.7Details
73CoalBelR...Site Code: CoalBelRM1.3Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...9/10/2025
Macroinvertebrates
City of Bellevue
16122573094.0%0.4%1.8%50014.70.00.01.41.21.21.20.00.00.09.6Details
74CoalBelR...Site Code: CoalBelRM4.0Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/9/2025
Macroinvertebrates
City of Bellevue
2846414135144.8%17.0%4.4%50057.55.74.37.13.84.73.81.49.88.09.0Details
75CoalLow_...Site Code: CoalLow_21Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...9/30/2025
Macroinvertebrates
City of Bellevue
10011233198.4%0.0%0.2%50012.60.00.00.00.00.01.21.40.00.010.0Details
76CoalRedt...Site Code: CoalRedtown_21Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/10/2025
Macroinvertebrates
City of Bellevue
2946313113164.2%15.2%4.6%50047.06.24.37.12.53.51.21.44.77.18.9Details
77CoalSkagi...Site Code: CoalSkagit_21Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/9/2025
Macroinvertebrates
City of Bellevue
16122574094.4%0.6%0.4%50016.30.00.01.41.21.22.50.00.00.09.9Details
7808EAS25...Site Code: 08EAS2540Coal Creek (Lake Wash.) tributary (0273)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Ambi...7/7/2025
Ambient Monitoring
King County - DNRP
233351195146.1%7.6%9.0%49942.23.32.92.95.02.43.81.49.43.37.9Details
79Newcastle...Site Code: NewcastleTrib_21Coal Creek (Lake Wash.) tributary (0275)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/10/2025
Macroinvertebrates
City of Bellevue
221359105066.6%17.8%36.8%50031.32.90.02.95.02.93.80.04.18.41.4Details
80NewpBel...Site Code: NewpBelRM0.0Newport CreekCoal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/10/2025
Macroinvertebrates
City of Bellevue
15122550079.0%1.6%59.0%5003.80.00.01.41.20.00.00.00.80.30.0Details
8108EAS_b...Site Code: 08EAS_bug3Cochran Springs CreekE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Integr...7/30/2025
Integrated Streams Program
King County - DNRP
24243996070.0%11.8%42.6%50028.03.81.44.32.52.45.00.03.25.40.1Details
82CochranKi...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
211541096078.2%8.6%52.8%50024.02.40.05.73.82.45.00.01.03.80.0Details
8308EAS_b...Site Code: 08EAS_bug1Fairweather CreekE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Integr...8/25/2025
Integrated Streams Program
King County - DNRP
13100113083.8%1.4%40.8%5002.00.00.00.00.00.01.20.00.00.20.5Details
84YarrowMa...Site Code: YarrowMain_21Yarrow Creek SubbasinE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/8/2025
Macroinvertebrates
City of Bellevue
2444311125155.0%14.8%19.0%50043.83.84.34.32.54.13.81.47.16.95.6Details
85YarrowWe...Site Code: YarrowWestTribBelRM0.2Yarrow Creek SubbasinE Lake Washington - Bellevue N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/8/2025
Macroinvertebrates
City of Bellevue
18113564054.3%20.9%54.3%46823.81.00.00.02.50.62.50.07.310.00.0Details
86Lkhrst405...Site Code: Lkhrst405RM0.3Lakehurst CreekE Lake Washington - Bellevue S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/9/2025
Macroinvertebrates
City of Bellevue
18122564079.6%1.6%67.0%5007.71.00.01.41.20.62.50.00.60.30.0Details
8708WES11...Site Code: 08WES1178Lake Washington tributary (0056)E Lake Washington - Kenmore N SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Ambi...7/24/2025
Ambient Monitoring
King County - DNRP
17122564079.6%1.6%44.0%5007.20.50.01.41.20.62.50.00.60.30.0Details
8808EAS15...Site Code: 08EAS1536Denny CreekE Lake Washington - Kenmore S SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Ambi...9/18/2025
Ambient Monitoring
King County - DNRP
2546414124168.4%4.4%6.2%50041.34.34.37.13.84.12.51.43.61.78.6Details
8908EAS_b...Site Code: 08EAS_bug2Forbes Creek (0242)Forbes Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Integr...9/4/2025
Integrated Streams Program
King County - DNRP
211247115074.0%0.6%54.0%50016.92.40.01.43.83.53.80.02.10.00.0Details
9008EAS21...Site Code: 08EAS2191Forbes Creek (0242)Forbes Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2023, Ambi...8/15/2023
Ambient Monitoring
King County - DNRP
19121465054.2%0.8%39.2%50015.41.40.01.40.00.63.80.07.30.00.9Details
91ForbesKir...Site Code: ForbesKirk1Forbes Creek (0242)Forbes Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, B-IBI ...8/27/2025
B-IBI
City of Kirkland
14111364049.0%4.8%32.7%10416.10.00.00.00.00.62.50.08.71.92.4Details
92ForbesKir...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%364.90.00.00.00.00.00.00.03.30.01.6Details
9308EAS_b...Site Code: 08EAS_bug4Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, Integr...9/15/2025
Integrated Streams Program
King County - DNRP
19132683044.8%4.0%27.2%50023.51.40.02.91.21.81.20.09.81.53.7Details
94BillyKirk1, ...Site Code: BillyKirk1Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, B-IBI ...8/19/2025
B-IBI
City of Kirkland
18122554068.4%1.1%44.9%3709.81.00.01.41.20.02.50.03.60.10.0Details
95E1186, Ju...Site Code: E1186Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/15/2024
B-IBI
City of Kirkland
192248103073.0%2.6%40.4%50016.01.41.41.43.82.91.20.02.40.80.6Details
96HazenHill...Site Code: HazenHillsJuanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, B-IBI ...8/21/2025
B-IBI
City of Kirkland
16121422072.8%2.0%66.8%5004.30.00.01.40.00.00.00.02.40.50.0Details
97JuanitaKir...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%5617.70.00.00.01.21.21.20.06.60.07.5Details
98JuanitaKir...Site Code: JuanitaKirk3Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2025, B-IBI ...8/19/2025
B-IBI
City of Kirkland
241247116055.8%4.0%30.2%50028.93.80.01.43.83.55.00.06.91.53.0Details
99JuanitaKir...Site Code: JuanitaKirk4Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/22/2024
B-IBI
City of Kirkland
14013482059.3%6.6%4.4%18222.00.00.00.02.51.80.00.06.02.89.0Details
100Kingsgate...Site Code: KingsgateKirk1Juanita CreekJuanita Creek SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2024, B-IBI ...8/15/2024
B-IBI
City of Kirkland
18221574059.8%2.6%54.4%50014.11.01.41.40.01.22.50.05.80.80.0Details
933 scores generated from 42959 sample taxa on Tuesday, March 31, 2026 1:43:58 AM. (33.63 seconds)
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