USGS Surface Water for USA: Streamflow Measurements

USGS Home
Contact USGS
Search USGS

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

Mason County, Washington

Hydrologic Unit Code 17110018

Latitude 47°23'17", Longitude 123°06'40" NAD83

Gage datum 10 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
1947-08-26	1974-10-16	3

Choose Output Format

Retrieve Streamflow measurement data for Selected Sites
Choose one of the following options for displaying data for the sites meeting the criteria above

Retrieve data from: to: (YYYY-MM-DD -- Blank = all data)

Graphs of data

Table of data

Tab-separated data *

* Save compressed files with a .gz file extension.

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Washington Water Data Support Team
Page Last Modified: 2025-09-06 02:15:24 EDT
0.86 0.84 vaww02