Washington State Department of Ecology

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Washington Water Supply Information

The following is a collection of links to Web pages with current and monthly information. This information can be used to evaluate present and future water supply conditions in the state.

Current and monthly water supply information
Streamflow Data Ecology Streamflow Monitoring Network (interactive map) Map USGS Today's Streamflow Conditions in Washington Map and Data Northwest River Forecast Center Data USGS Real-Time Data for Washington: Streamflow Snowpack/Precipitation Map NOAA Regional Snow Analyses: Northwest Map NOAA SNOTEL Current Snow Conditions Report NOAA SNOTEL Map Precipitation and Temperature Average Ecology Snow/Precipitation Update (by basin with basin-wide percent of average) Summary NOAA SNOTEL Snow water Equivalent Update Graph (percent of average by basin) Summary NOAA SNOTEL Snow/Precipitation Update (choose Washington State for summary - current/average by basin) Summary NOAA SNOTEL Pacific Northwest Region Reservoirs Map Yakima River Basin Major Storage Reservoirs (tea cup) Summary NRCS Basin Wide Reservoir Summary Hydrologic Information-County King County Water and Land Resources Division	Climate Change/Prediction Washington State Climate Change Map Monthly and Seasonal Color Outlook Summary Climate Change - Puget Sound Action Team Report West Coast Governors' Global Warming Initiative University of Washington - Climate Impacts Group UW Climate Impacts Group quarterly electronic newsletter Office of the Washington State Climatologist Pacific Climate Impacts Consortium EPA's Global Warming Site British Columbia -Water, Air, and Climate Change Branch Climate Change and Oregon California Climate Change Portal United Nations Environmental Network - Climate Change Monthly Basin Reports/Forecasts Report Washington State Basin Outlook Report Report Western Snowpack Conditions and Water Supply Forecast Summaries Map Spring and Summer Streamflow Forecasts Map Mountain Snowpack (first of every month) Summary March 15, 2007 NOAA U.S. Spring Outlook Flood Map USGS Flood and High Flow Conditions Map NOAA River Forecasts and Data Summary NOAA River Forecasts and Data (list of rivers with flood status)
Current and Historical Drought Information
Current and Seasonal Drought Information Map Drought Monitor: Forecasts Map Drought Monitor: Current Conditions Map U.S. Drought Monitor (weekly update of drought conditions) Map U.S. Seasonal Drought Outlook (updated quarterly) Map Animated Indicator Maps for U.S. Drought Monitor USGS Waterwatch - current streamflow conditions U.S. Water Monitor - A Portal To Federal Water Information	Historic Washington State Drought Information 2005 Drought Response - Report to the Legislature 2005 Drought Photos 2001 Drought Response - Report to the Legislature
Additional Water Supply Information
United States Department of Agriculture - Risk Management Agency (RMA) University of Washington Northwest Observational Data Washington State University Washington's Water National Weather Service Seattle - Portland - Spokane Current Watches, Warnings and Advisories for Washington Department of Ecology Floods Infrastructure Assistance Coordinating Council This webpage has information about funding programs from state agencies like: funds for a back up well, modify a water treatment system, or replacing leaky water lines as a conservation measure.	United States Geological Survey Washington Water Science Center Natural Resources Conservation Service GIS Products (water supply, snow, precipitation, temperature) Bureau of Reclamation Pacific NW Region - Hydromet British Columbia Columbia River Hydromet Data Yakima Project Hydromet System Washington State Agencies Department of Natural Resources Department of Transportation Department of Fish and Wildlife Department of Agriculture Department of Health Office of Drinking Water

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