Login
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
1LewisBelo...Site Code: LewisBelowLakemont_21Lewis Creek (Lake Sammamish)W Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/21/2025
Macroinvertebrates
City of Bellevue
311528118052.8%4.0%31.4%50026.81.40.05.71.22.47.50.04.41.52.7Details
2LewisBel...Site Code: LewisBelRM0.3Lewis Creek (Lake Sammamish)W Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Macr...8/28/2025
Macroinvertebrates
City of Bellevue
3233612144068.6%1.0%9.6%50028.21.72.92.96.24.12.50.00.10.07.8Details
3LewisBel...Site Code: LewisBelRM0.8Lewis Creek (Lake Sammamish)W Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/9/2025
Macroinvertebrates
City of Bellevue
4133511156148.0%2.4%4.0%50042.14.82.92.95.04.75.01.45.70.79.1Details
4LewisBel...Site Code: LewisBelRM2.1Lewis Creek (Lake Sammamish)W Lake Sammamish SubbasinSammamish River BasinWRIA 8 - Cedar-Sammamish2025, Macr...7/21/2025
Macroinvertebrates
City of Bellevue
45266141510042.0%9.4%8.2%50055.36.21.47.16.24.710.00.07.34.28.1Details
4 scores generated from 162 sample taxa on Wednesday, March 11, 2026 6:40:03 AM. (0.11 seconds)
LegendExcellentExcellent/GoodGoodGood/FairFairFair/PoorPoorPoor/Very PoorVery Poor