Washington Water Science Center

Data and Tools

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 historic data can be retrieved from the National Database called the National Water Information System (NWIS). Many of the links below access this database.

Surface Water

Surface Water

Streamflow measurements are vital to understanding stream conditions. We monitor rivers & streams throughout Washington.

Streamflow Data

Water Quality

Water Quality

Monitoring water quality is important for protecting human and ecosystem health. We monitor rivers, streams, and lakes around the state.

Water-Quality Data



The USGS monitors groundwater levels throughout Washington. The data are used to determine sustainable pumping rates for irrigation and domestic supplies.

Groundwater Data
Filter Total Items: 66
Date published: February 11, 2020

Stormwater Action Monitoring Basin Characteristics

The Stormwater Action Monitoring (SAM) program is a cumulative and regional monitoring effort in the Puget Sound region of Washington State. Under the SAM program, the status and trends of water chemistry, sediment chemistry, habitat and biota in small streams and nearshore marine waters in the Puget Lowlands are monitored and documented. As part of recommendations to the program made

Date published: January 3, 2020

Suspended Sediment and Water Temperature Data in the Suiattle River and the Downey Creek Tributary, Washington for select time periods over 2013 - 2017

This data release provides suspended-sediment (concentration and load) and water temperature data for two locations along the Suiattle River (USGS 1217900 and 12188380) and a tributary, Downey Creek (USGS 1217985) in Washington State for partial periods over 2013-2017. Suspended-sediment and water temperature data were collected over two summer seasons from May through September 201

Date published: October 24, 2019

WaterWatch (surface water)

WaterWatch displays maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States, including flood and droughts. Real-time information generally is updated on an hourly basis.

Date published: October 24, 2019

Groundwater Watch

Groundwater Watch displays maps, graphs, and tables describing real-time, recent, and historical groundwater data from wells and springs across the United States. Groundwater Watch groups related wells and data from active well networks and provides basic statistics about the water-level data collected by the USGS and from data supplied to us from partners through cooperative agreements.

Date published: October 24, 2019


WaterQualityWatch provides access to real-time water-quality data collected at more than 2,000 stream sites throughout the United States, including streamflow, water temperature, specific conductance, pH, dissolved oxygen, turbidity, and nitrate.

Date published: October 4, 2019

Washington State Groundwater Projects

This application includes information about ongoing or completed groundwater studies in Washington. Included are studies from coastal areas, the densely populated Puget Sound, central and eastern Washington, and cross-boundary areas shared with Canada, Oregon, and Idaho.

Date published: August 30, 2019

Groundwater and Tidal Time-Series Data, Bremerton Naval Complex, Bremerton Washington

This data release includes time series data collected at the Bremerton Naval Complex, Bremerton WA. Groundwater levels and water quality parameters in two monitoring wells were recorded every 15 minutes during a 7-month deployment. Time series data were collected from June 29, 2018, to February 26, 2019. Field deployment details and quality assurance methods are included in the following

Date published: March 4, 2019

Annual Water Data Reports

Annual Water Data Reports were published annually for many decades as static archival products that supplemented direct access to current and historical water data provided by the National Water Information System (NWIS). This site helps users access historical Water Data Reports, electronic Site Data Sheets, or current on-demand, print-ready Water-Year Summaries.

Date published: January 1, 2019

Velocity and Bathymetry surveys of the Columbia River near Northport, Washington, May 2018

Boat-mounted acoustic doppler current profilers (ADCPs) were used to collect velocity data on the Columbia River in a small area near Northport, WA. Velocity surveys were collected during two surveys at high-flow, high-stage conditions in May 2018. Bathymetric data were also collected during one of the surveys using a single-beam echo sounder. The datasets here provide 1) raw ADCP and s

Date published: January 1, 2019

Groundwater, Surface water and Tidal Time Series Data at OU1 Naval Base Kitsap, Keyport, WA

This Data release includes time series data collected at Operable Unit 1, Naval Base Kitsap, Keyport, WA and bounding surface water bodies over a 3 week period from 07/12/2018 to 08/08/2018. Groundwater altitudes in nineteen monitoring wells and surface water altitude and water quality parameters in five surface water bodies were monitored. Time series data were collected covered a

Date published: August 1, 2018

MODFLOW-NWT model used to simulate groundwater storage changes in the Quincy Basin, Washington

A three-dimensional, groundwater flow model (MODFLOW-NWT) was developed to
examine groundwater storage changes in the Quincy Basin, Washington. The
model was calibrated to conditions from 1920 to 2013. The model was used to
(1) determine the change in groundwater storage from 1920 to 2013 , and
(2) simulate the potential effects of increases in pumping.

Date published: April 3, 2018

Surface-Water for Washington

Real-time, daily, peak-flow, field measurements, and statistics of current and historical data that describe stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall in Washington. Surface-water data are collected and stored as either discrete field-water-level measurements or as continuous time-series data from automated recorders.