Water supply monitoring
Explore some of these sources here.
Rivers and streams are an important part of the state's water supply. These online tools track flow levels:
- Freshwater DataStream – current and historical continuous data for rivers and streams
- Instream Flow Data – includes USGS gage (control points) identified in rule
- U.S. Geological Survey – Look at daily streamflow data for Washington state
- Northwest River Forecast Center – View river volume forecasts for the coming year
- Natural Resources Conservation Services (NRCS)
- Predefined maps - links to snowpack maps and data
- Current Snow Water Equivalent (SWE) % of Normal - Interactive map
- Washington Snowpack Summary - Maps and Graphs
- Washington SNOTEL - Map of Current Snow Water Equivalent (SWE) % of Normal
- National Weather Service
Rain, lowland snow, and other precipitation are important contributors to water supply. Find maps and measurements of this precipitation below:
- Natural Resources Conservation Services (NRCS)
- Predefined maps - links to precipitation maps and data
- Community Collaborative Rain, Hail and Snow Network - Citizens provide these weather measurements
Groundwater — water held in aquifers — is critical to the water cycle. Find the assessments of aquifers here:
Related links
Contact information
Heather Clements
Web Coordinator
[email protected]
564-233-9182