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.

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:

• 31 days of real-time data - Current Data
  • Rivers
  • Lakes/Reservoirs
  • Weather
  • Water Quality
  • Ground Water
  • Individual Basins
  • Predefined Lists
• 18 months of daily data - Latest Data
  • Daily Map
  • Flow/Stage || All Data
  • Change in Flow
• Scroll list of Surface Water sites
• Search/Inventory NWISWeb
• Search for names at GNIS
• Retrieve statistics by station number:
  Enter station number:   
   Daily    Monthly    Annual  

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.

• GSA Honors USGS for NWIS Web Site (Fact Sheet PDF)
• More on Current Conditions and Historical Data for Washington
• What's new

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