Official websites use .gov
A .gov website belongs to an official government organization in the
United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share
sensitive information only on official, secure websites.
NWISWeb is our legacy water data delivery system. Over the next few years, Water Data for the Nation (WDFN) will slowly replace NWISWeb. We’re modernizing one room at a time, and we’ve started with the legacy real-time current conditions pages, now known as Next Generation Monitoring Location Pages.
Gage height is used as a default parameter for water availability at streamgages for better user context.
Water data can be masked to help explain gaps in water data availability.
