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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
108NOR17...Site Code: 08NOR1750North CreekNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Ambi...9/8/2025
Ambient Monitoring
King County - DNRP
4067518215361.2%3.2%9.2%50052.54.57.18.65.08.23.84.32.11.17.9Details
208NOR23...Site Code: 08NOR2306North CreekNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Ambi...9/4/2025
Ambient Monitoring
King County - DNRP
193036143185.8%1.0%0.6%50022.00.02.90.02.54.11.21.40.00.09.9Details
3COB0551...Site Code: COB05519-013032North CreekNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2022, Bothe...8/5/2022
Bothell Bioassesment
City of Bothell
15104583087.0%1.0%4.4%50014.60.00.00.03.80.61.20.00.00.09.0Details
408NOR21...Site Code: 08NOR2115North Creek tributaryNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Ambi...9/8/2025
Ambient Monitoring
King County - DNRP
2632510102065.6%1.0%13.8%50018.80.02.91.45.01.80.00.00.90.06.8Details
5COB 551...Site Code: COB 5519-000744North Creek tributaryNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2022, Bothe...8/29/2022
Bothell Bioassesment
City of Bothell
290551085143.0%14.0%14.9%11437.20.70.05.75.00.63.81.47.06.56.5Details
6COB0551...Site Code: COB05519-011576North Creek tributaryNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2022, Bothe...7/13/2022
Bothell Bioassesment
City of Bothell
35111352051.2%5.4%23.4%50014.32.80.00.00.00.00.00.04.82.24.6Details
7CQ-1, Nor...Site Code: CQ-1North Creek tributaryNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Bothe...10/15/2025
Bothell Bioassesment
City of Bothell
334217105154.2%1.2%8.2%50026.92.14.31.40.01.83.81.44.00.18.1Details
8QC-2, Nor...Site Code: QC-2North Creek tributaryNorth Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Bothe...9/16/2025
Bothell Bioassesment
City of Bothell
342351092051.8%8.6%45.8%50021.32.41.42.95.01.20.00.04.63.80.0Details
9PM-1, Pal...Site Code: PM-1Palm Creek (Bothell)North Creek SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Bothe...10/7/2025
Bothell Bioassesment
City of Bothell
4136716167262.6%2.0%10.2%50046.64.82.97.17.55.36.22.91.70.57.6Details
9 scores generated from 292 sample taxa on Saturday, May 2, 2026 3:22:35 AM. (0.08 seconds)
LegendExcellentExcellent/GoodGoodGood/FairFairFair/PoorPoorPoor/Very PoorVery Poor