Details of NWISWeb Decommission Campaign 3 from November 2026 to February 2027
Tag: NextGen
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.
Manual readings for additional water data parameters will be available beginning July 1st, 2026.
A new endpoint for peak flows is now available, queries now have additional metadata fields for filtering, and a new UI theme has been released for HTML responses.
We’re adding expiration to alert subscriptions to keep the WaterAlert system performing well and reducing costs.
A new STAC API provides access to rating curve files. This API will replace the ratings depot in winter 2026.
New features on the National Water Dashboard include a new experience when clicking a site, Data of Interest to customize your view, and usability updates for your Area-of-Interest.
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.
Metadata are crucial to interpreting and understanding USGS water data. With the modernization of WDFN, we are changing the way you access and explore USGS water data metadata.