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: Water Data
Where to find and download field measurements in Water Data for the Nation
Reproducible workflows that provide the data and tools for you to get started making your own 3D graphics of topographic, satellite, and water data
Add assertion tests to your functions to ensure assumptions are met and errors are helpful.
This blog post demonstrates how we used the core principles of user-centered design, “learn,” “build,” and “refine” to modernize Water Data for the Nation (WDFN)
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.
Tips and example R scripts for converting long-formatted data into wide tabular format

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