A new STAC API provides access to rating curve files. This API will replace the ratings depot in winter 2026.
Tag: Decommission
Details of NWISWeb Decommission Campaign 3 from November 2026 to February 2027
The Water Quality Portal (WQP) will soon be modernized to better serve users. This vital application will be supported for years to come.
Data for new parameter codes (released after June 2026) will only be available through Water Data for the Nation services. Data currently available through legacy NWISWeb applications will not be affected.
We have released modernized Water Data APIs which will supersede the WaterServices family of APIs. Users will need to migrate their applications to use these new services in order to retain uninterrupted access to USGS water data going forward.
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.
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.
Modernization and decommission of statistics delivery for USGS Water Data for the Nation