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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
109COV_b...Site Code: 09COV_bug1Covington CreekCovington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2025, Integr...8/18/2025
Integrated Streams Program
King County - DNRP
5967821237231.4%9.8%14.4%50074.010.07.18.68.89.46.22.910.04.46.7Details
209COV11...Site Code: 09COV1165Covington CreekCovington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2025, Ambi...8/18/2025
Ambient Monitoring
King County - DNRP
51786212511851.8%10.8%1.0%50082.48.38.610.06.210.010.010.04.64.99.8Details
309COV14...Site Code: 09COV1418Covington CreekCovington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2025, Ambi...8/18/2025
Ambient Monitoring
King County - DNRP
60771024288624.4%11.8%2.2%50088.110.08.68.610.010.07.58.610.05.49.5Details
409COV17...Site Code: 09COV1756Covington CreekCovington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2025, Ambi...10/2/2025
Ambient Monitoring
King County - DNRP
43378182011462.2%9.0%1.0%50064.75.52.98.68.87.610.05.71.84.09.8Details
5EFF755X...Site Code: EFF755XX-CO01.5Covington CreekCovington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2023, TMD...9/19/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology
66108725264633.0%3.2%2.6%50078.810.010.010.07.510.02.58.69.71.19.4Details
6EFF755X...Site Code: EFF755XX-CO02.2Covington CreekCovington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2023, TMD...9/27/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology
7961012282911427.0%9.8%2.4%50086.710.07.110.010.010.010.05.710.04.49.4Details
7EFF755X...Site Code: EFF755XX-CO03.6Covington CreekCovington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2023, TMD...9/21/2023
TMDL Biological Monitoring of Soos Creek watershed
Washington State Department of Ecology
80768212811321.4%7.8%9.2%50080.010.08.67.18.810.010.04.310.03.47.9Details
809COV18...Site Code: 09COV1862Rock Creek tributary (Covington)Covington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2025, Ambi...7/22/2025
Ambient Monitoring
King County - DNRP
4437515178238.8%18.8%1.0%50065.45.92.98.65.05.97.52.98.28.99.8Details
909COV18...Site Code: 09COV1864Rock Creek tributary (Covington)Covington Creek SubbasinDuwamish - Green River BasinWRIA 9 - Duwamish-Green2025, Ambi...7/22/2025
Ambient Monitoring
King County - DNRP
4136514147161.4%15.6%34.6%50042.94.82.97.15.04.16.21.42.17.32.0Details
9 scores generated from 558 sample taxa on Wednesday, March 25, 2026 1:44:23 AM. (0.06 seconds)
LegendExcellentExcellent/GoodGoodGood/FairFairFair/PoorPoorPoor/Very PoorVery Poor