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National Water Information System

Click on the links below for each topic to go to the NWIS Web page, or you can go to the main Washington NWIS Web page, or the National NWIS Web page.

General Web Pages

River and Lake Data

Surface Water Statistics

Ground Water Data

Water Quality Data

The U.S. Geological Survey has a new Web server for its National Water Information System (NWIS) data which includes surface water, water-quality and groundwater data, and related site information. This includes:

Please note -- The data retrievals use a search page to identify the sites for your data retrievals. You should read the General Search Web page, as well as the specific ones for each type of data retrieval.

[ADAPS | Data Reports | Historical Data | Information | Resources | NWISWeb]