
Feature to see current water conditions from all monitoring locations in a state that collect continuous data.

Feature to see current water conditions from all monitoring locations in a state that collect continuous data.
This blog describes a mapping file available to users to ease the transition to the WQX version 3.0 format. The spreadsheet provides high-level mapping of data fields in the legacy NWIS format to WQX fields.
The USGS just released new ways to access water quality and sample data in a recently expanded WQX data format.

Feature to maintain a list of monitoring locations you are interested in and to see the latest values of real-time data.
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