We are releasing new, modernized Water Data APIs this year and are beginning the process to decommission legacy APIs. This blog discusses the decommissioning of the “gwlevels” and “SensorThings” APIs. The gwlevels API will be decommissioned beginning November 1st, 2025. The SensorThings service will be decommissioned on December 9th, 2025.
Keywords: Next Generation
Where to find and download field measurements in Water Data for the Nation
The USGS Real-Time Flood Impact (RT-FI) API service helps communities protect lives and property by providing flood risk context to widely-available USGS streamgage height measurements.
Modernization and decommission of statistics delivery for USGS Water Data for the Nation
What to expect from modernized replacements to the WaterServices family of APIs.

This new feature is used to search and filter through data by locations and data collection categories in WDFN.

In 2024, we asked our users for feedback. This is what we found.

We’ve made changes to the Monitoring Location Page (MLP) to make all kinds of water data accessible from the same place in WDFN.

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

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