Feature to maintain a list of monitoring locations you are interested in and to see the latest values of real-time data.
Tag: Water Data for the Nation
The USGS is expanding its implementation of the Water Quality Exchange (WQX) standard for delivering water quality and sample data.
A new, experimental application for viewing groundwater levels with historical context and for generating site-level reports.
USGS is improving the way that sample data are stored and served to the public. These changes will affect our back-end data management systems, web services, application programming interfaces (APIs), computational tools, and user interfaces for accessing data.
Feature to see a series of graphs of all current sensor data collected at a single location is available now.
Graphing data for 5 locations on a single graph now available on WDFN
A look into the current and coming soon features available in WDFN. Updated in 2025 to highlight progress and include links to new features
The legacy Groundwater Watch application is being decommissioned. This blog post explains where users can find similar functionality in other publicly available products.
How WDFN is using USWDS to produce mobile friendly and accessible websites