Data
Publicly Accessible
We are committed to providing data and information to the public.
Reliable
Our data are collected following rigorous quality control standards.
Unbiased
The USGS has a non-regulatory mission.
Long-standing
Our water monitoring network is over 100 years old in many parts of Washington State.
The USGS Washington Water Science Center currently operates over 380 data-collection sites in Washington. The sites collect surface water, groundwater, water quality and meteorological data that are available in real time. Current and historical data can be retrieved from Water Data for the Nation and the National Water Dashboard.
Separately published data releases are listed below.
Discover real-time data in Washington
State pages provide a summary of the latest continuous data being collected in your state. Quickly filter the map and list to show a data type of interest to you, or customize the filters to further refine the map and list to your needs.
View latest conditions and weather events
USGS has over 13,500 real-time stream, lake, reservoir, precipitation, water quality, and groundwater monitoring locations. View the latest continuous data in your area together with weather-related data to understand rapidly changing water conditions.