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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
1JoesFW5...Site Code: JoesFW509Joes CreekDumas Bay SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Macr...9/9/2025
Macroinvertebrate Sampling
City of Federal Way
3735311124057.4%3.4%11.6%50031.63.42.95.72.52.92.50.03.11.27.3Details
2JoesFWL...Site Code: JoesFWLMRJoes CreekDumas Bay SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Macr...9/9/2025
Macroinvertebrate Sampling
City of Federal Way
3734411106063.8%3.6%45.8%50023.83.42.94.33.81.85.00.01.41.30.0Details
3LakFWEa...Site Code: LakFWEastLakota CreekDumas Bay SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Macr...9/9/2025
Macroinvertebrate Sampling
City of Federal Way
283541283072.6%2.4%58.0%50015.20.32.95.73.80.61.20.00.00.70.0Details
4LakFWW...Site Code: LakFWWWTPLakota CreekDumas Bay SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Macr...9/9/2025
Macroinvertebrate Sampling
City of Federal Way
273431094171.8%2.6%53.4%50015.50.02.94.32.51.22.51.40.00.80.0Details
5FA02, Fau...Site Code: FA02Fauntleroy CreekLower Puget Sound - Seattle SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2024, Statu...8/6/2024
Status & Trends
City of Seattle
3335311107160.0%13.0%11.0%49338.52.12.95.72.51.86.21.42.46.07.4Details
6FAMA085...Site Code: FAMA0851Fauntleroy CreekLower Puget Sound - Seattle SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2024, Statu...8/6/2024
Status & Trends
City of Seattle
42243986247.0%16.4%9.4%50043.35.21.44.32.50.65.02.95.97.77.8Details
7Fauntlero...Site Code: FauntleroyParkFauntleroy CreekLower Puget Sound - Seattle SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Sno-...9/23/2025
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
3655414116256.2%8.6%2.4%50045.23.15.75.73.82.45.02.93.53.89.4Details
8Fauntlero...Site Code: FauntleroyRavineFauntleroy CreekLower Puget Sound - Seattle SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Sno-...9/23/2025
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
294431195162.8%12.8%4.0%50034.80.74.34.32.51.23.81.41.75.99.1Details
9SCMA906...Site Code: SCMA9065Schmitz CreekLower Puget Sound - Seattle SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2024, Statu...8/6/2024
Status & Trends
City of Seattle
30221575060.1%8.4%46.2%14313.71.01.41.40.00.03.80.02.43.70.0Details
10Miller_Clu...Site Code: Miller_ClubMiller CreekMiller Creek SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Integr...9/10/2025
Integrated Streams Program
King County - DNRP
294329114164.6%0.8%36.0%50018.20.74.32.91.22.42.51.41.20.01.6Details
11Miller_Co...Site Code: Miller_CoveMiller CreekMiller Creek SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Miller...9/10/2025
Miller-Walker
King County - DNRP
333429125263.8%1.2%35.4%50023.32.12.94.31.22.93.82.91.40.11.8Details
12Miller_SW...Site Code: Miller_SWSSDMiller CreekMiller Creek SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Miller...9/10/2025
Miller-Walker
King County - DNRP
264329101171.4%1.8%52.4%50012.00.04.32.91.21.80.01.40.00.40.0Details
13WalkerPre...Site Code: WalkerPreserveWalker CreekMiller Creek SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Miller...9/10/2025
Miller-Walker
King County - DNRP
2744311113167.0%7.0%5.2%50028.40.04.34.32.52.41.21.40.53.08.8Details
14BeallVNC...Site Code: BeallVNC1Beall CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2023, Vash...9/21/2023
Vashon Benthic Macroinvertebrate Sampling
Vashon Nature Center
22224897167.5%13.0%14.8%16931.00.91.41.43.81.26.21.42.16.06.6Details
15VashChris...Site Code: VashChrisChristenson CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Integr...9/23/2025
Integrated Streams Program
King County - DNRP
4835513158341.0%10.4%2.0%50059.17.22.95.75.04.77.54.37.64.79.5Details
1665B, Fish...Site Code: 65BFisher Creek (Vashon)Vashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2022, Regul...10/6/2022
Regulatory Effectiveness
King County - DNRP
2646515124462.2%10.4%3.1%35752.74.84.37.15.04.12.55.75.24.79.3Details
1765B, Fish...Site Code: 65BFisher Creek (Vashon)Vashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2022, Vash...8/30/2022
Vashon Benthic Macroinvertebrate Sampling
Vashon Nature Center
4158821176556.0%17.8%7.2%50074.09.15.710.08.86.25.07.15.38.48.3Details
18P847, Gor...Site Code: P847Gorsuch CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2024, Vash...9/5/2024
Vashon Benthic Macroinvertebrate Sampling
Vashon Nature Center
3757618157341.2%11.2%26.3%46461.87.45.78.66.25.06.24.39.45.13.9Details
19VashGors...Site Code: VashGorsuchGorsuch CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Integr...10/6/2025
Integrated Streams Program
King County - DNRP
4955717145260.2%5.8%21.6%50047.07.65.75.77.54.13.82.92.42.45.0Details
2028A, Judd ...Site Code: 28AJudd CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Integr...10/6/2025
Integrated Streams Program
King County - DNRP
4955616187453.6%12.0%1.0%50063.17.65.75.76.26.56.25.74.25.59.8Details
21JuddVNC...Site Code: JuddVNC1Judd CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2024, Vash...8/22/2024
Vashon Benthic Macroinvertebrate Sampling
Vashon Nature Center
4457618199340.4%22.0%3.6%50079.810.05.78.66.27.58.84.39.610.09.2Details
22E1236, S...Site Code: E1236Shinglemill CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2024, Vash...8/25/2024
Vashon Benthic Macroinvertebrate Sampling
Vashon Nature Center
2836615136576.0%10.4%6.0%50048.93.52.97.16.23.85.07.10.04.78.6Details
23ShingUp1...Site Code: ShingUp1Shinglemill CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2024, Vash...8/25/2024
Vashon Benthic Macroinvertebrate Sampling
Vashon Nature Center
3257618155455.0%33.4%13.2%50062.75.25.78.66.25.03.85.75.610.06.9Details
24VashShin...Site Code: VashShingShinglemill CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Integr...9/24/2025
Integrated Streams Program
King County - DNRP
3654413136365.0%5.0%21.4%50037.83.15.74.33.83.55.04.31.12.05.0Details
2565A, Tahl...Site Code: 65ATahlequah CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2022, Regul...10/6/2022
Regulatory Effectiveness
King County - DNRP
2957618135469.0%6.6%30.0%50050.16.25.78.66.24.73.85.73.42.83.0Details
26VashTal, T...Site Code: VashTalTahlequah CreekVashon-Maury Island SubbasinPuget Sound (Duwamish-Green) BasinWRIA 9 - Duwamish-Green2025, Integr...9/23/2025
Integrated Streams Program
King County - DNRP
4855717185445.8%4.4%6.2%50058.67.25.75.77.56.53.85.76.31.78.6Details
26 scores generated from 1209 sample taxa on Saturday, May 2, 2026 12:26:45 AM. (0.06 seconds)
LegendExcellentExcellent/GoodGoodGood/FairFairFair/PoorPoorPoor/Very PoorVery Poor