Iterate your R code using the map() function from the purrr package.
Keywords: Water Data
Write functions in R that run better and are easier to understand.
Learn the ropes building your own functions in R using water data examples.
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.
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