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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
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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
1TCA001, ...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
2CWCAP_...Site Code: CWCAP_PipersCreekFBPipers CreekPipers Creek SubbasinPuget Sound (Cedar-Sammamish) BasinWRIA 8 - Cedar-Sammamish2025, Sno-...10/11/2025
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
21232783062.8%9.6%30.0%50016.40.01.42.91.20.61.20.01.74.33.0Details
35303335, ...Site Code: 5303335Bear Creek (Sammamish River)Bear Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2024, Sno-...9/8/2024
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
3765516165249.2%15.2%16.2%50051.93.47.15.75.05.33.82.95.47.16.2Details
45303361, ...Site Code: 5303361Bear Creek (Sammamish River)Bear Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2023, Sno-...8/25/2023
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
44741122256164.0%5.8%19.2%50054.45.98.64.310.010.05.01.41.42.45.5Details
5Fauntlero...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
6Fauntlero...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
75303305, ...Site Code: 5303305Little Swamp Creek2025, Sno-...10/12/2025
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
21113575066.4%3.0%44.9%4948.00.00.00.02.50.03.80.00.71.00.0Details
85303346, ...Site Code: 5303346McSorely Creek2023, Sno-...8/2/2023
Sno-King Watershed Council benthic macroinvertebrate analysis of urban & suburban streams in King and Snohomish Counties
Sno-King Watershed Council
19342955075.8%0.8%30.8%50015.00.02.94.31.20.03.80.00.00.02.8Details
8 scores generated from 278 sample taxa on Tuesday, December 23, 2025 3:42:54 PM. (0.04 seconds)
LegendExcellentExcellent/GoodGoodGood/FairFairFair/PoorPoorPoor/Very PoorVery Poor