Groundwater

Groundwater quality and level data. Collected by many groups with various objectives and protocols, 1929 to present.

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Freshwater Information Network (FIN)

Monthly river and stream water quality monitoring data and Water Quality Index (WQI), 1960s to present.

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Watershed Health Monitoring (WHM)

Physical habitat, biological field, and chemistry data; physical and biological metrics. Includes only EIM Studies with habitat data, 2009 to present.

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BEACH Program

Weekly bacteria data from Puget Sound and coastal beaches, Memorial Day through Labor Day, 2004 to present.

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Marine Sediments

Chemistry, bioassay, and benthic invertebrate data measuring Puget Sound sediment quality, collected by Ecology's Marine Monitoring Unit, 1989 to present.

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River and Stream Flow (Freshwater DataStream)

Real-time and historical time series streamflow monitoring data from across Washington, 1997 to present. This data isn’t currently in EIM, but is available via the Get Data link.

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Freshwater Fish Contaminants

Characterization of toxic chemicals in freshwater fish, 2001 to present.

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Persistent, Bioaccumulative Toxics (PBTs)

Assessment of PBTs in environmental media, including mercury in fish and organic PBTs in sediment cores, 2005 to present.

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Marine Water Column Monitoring

Monthly marine water quality monitoring profile data at core and rotational stations; sensor measurements, 1973 to present

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