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Freshwater CTD data
Profiles of temperature, conductivity, salinity, dissolved oxygen, chlorophyll fluorescence, beam transmission, and surface and subsurface PAR collected monthly to twice monthly... -
Fish Stocking Lists (Actual): Beginning 2011
DEC stocks approximately 900,000 pounds of fish into more than 1,200 public streams, rivers, lakes and ponds across the state. Also included in the data are public stockings by... -
Harmful Algal Bloom Statewide Occurrence Summary: 2012-2018
A summary of the maximum bloom status that was documented by the DEC HABs Program in each waterbody in each year from 2012-2018. Continuing data available at... -
Strategic Measure_Number and percentage of creeks and lakes in good or...
Strategic Direction 2023 (SD23) Measure HE.D.3 reports the number and percentage of creeks and lakes in good or excellent health. This measure is calculated every two years... -
HydroPoly
The Lakes and Rivers hydrographic polygon data layer was created to accurately depict the location and shape of flowing water features greater than five feet in width and major... -
Freshwater Swim Beach Data
This data represents the results of the King County Swim Beach program. These data are generally available from mid-May to late September during the swim beach monitoring...