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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
108EAS24...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
3847617155158.4%16.6%1.2%50053.23.84.38.66.24.73.81.42.97.89.7Details
2CoalBelR...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
18122573094.0%0.6%1.8%50013.50.00.01.41.20.01.20.00.00.09.6Details
3CoalBelR...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
3746414155141.2%17.0%4.4%50053.03.44.37.13.84.73.81.47.58.09.0Details
4CoalLow_...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
11011233198.0%0.0%0.2%50012.60.00.00.00.00.01.21.40.00.010.0Details
5CoalRedt...Site Code: CoalRedtown_21Coal Creek (Lake Wash.)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2026, Macr...7/2/2026
Macroinvertebrates
City of Bellevue
4026412125158.2%7.0%14.4%50037.54.51.47.13.82.93.81.42.93.06.7Details
6CoalSkagi...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
23122594093.2%0.8%0.4%50016.30.00.01.41.21.22.50.00.00.09.9Details
708EAS25...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
353351195146.1%8.0%9.0%49937.42.82.92.95.01.23.81.46.23.57.9Details
8Newcastle...Site Code: NewcastleTrib_21Coal Creek (Lake Wash.) tributary (0275)Coal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2026, Macr...8/10/2026
Macroinvertebrates
City of Bellevue
271631083173.4%7.0%35.2%50017.70.00.07.12.50.61.21.40.03.01.8Details
9NewpBel...Site Code: NewpBelRM0.0Newport CreekCoal Creek (Cedar) SubbasinCedar River / Lake Washington BasinWRIA 8 - Cedar-Sammamish2026, Macr...8/10/2026
Macroinvertebrates
City of Bellevue
25133775170.2%3.4%50.4%50011.70.00.02.92.50.03.81.40.01.20.0Details
9 scores generated from 277 sample taxa on Friday, October 16, 2026 12:37:49 PM. (0.09 seconds)
LegendExcellentExcellent/Good–GoodGood/Fair–FairFair/Poor–PoorPoor/Very Poor–Very Poor