Water Data for the Nation (WDFN) is being modernized to simplify our data delivery and enable all data collection categories to be found from the same pages and tools. This post will orient you to where to find water data in the modernized WDFN.
Category: Water Data
Where to find and download daily data in Water Data for the Nation
Details of NWISWeb Decommission Campaign 2 from November 2025 to February 2026
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.
Where to find and download field measurements in Water Data for the Nation
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
Sediment data are collected on rivers and streams throughout the nation. These data can be accessed through the USGS Samples endpoints.