RWIS Releases

  • News

    RWIS Release 2.0

    1/25/2018

    The latest version of RWIS is now available!

    Highlights of RWIS Release 2.0 include the addition of data for the full period of record for four out of five regions, adjustments to the layout and options on the query page, the addition of a visualization demo, and improvements to the behavior of links from the map page. A number of other minor bug fixes and changes were also made. See full release notes for RWIS 2.0 here and contact the team at rwis@usbr.gov with any questions.

  • RWIS Release 1.1.1

    12/04/2017

    RWIS Release 1.1.1 is a minor bug fix release addressing four bugs that were introduced in Release 1.1.0. See full release notes for RWIS 1.1.1 here and contact the team at rwis@usbr.gov with any questions.

  • RWIS Release 1.1.0

    11/17/2017

    Highlights of RWIS Release 1.1.0 include improvements to the RWIS WaterML2 and JSON output formats, improvements to the query user interface, the addition of a zip archive to download the entire RWIS dataset, and the addition of API documentation and demos. This announcements section and a page for monthly updates on the project team’s activities were also added to provide information about RWIS project activities and system development. A number of other minor bug fixes and changes were also made. See full release notes for RWIS 1.1.0 here and contact the team at rwis@usbr.gov with any questions.

  • RWIS has launched

    4/28/2017

    The Reclamation Water Information System (RWIS) has launched at https://water.usbr.gov. Users can now access water-related time series datasets via a map interface and query tool.

    "While Reclamation has always made this water data available, we are excited to move it into a one-stop-shop format that is accessible to everyone. This provides more transparency about our operations for the public.”-- Acting Commissioner David Murillo

Want To Know More?

What could I do with RWIS?

What general questions can RWIS answer?

How can I create tools with RWIS?

How can I use RWIS data in my analyses?

RISE Overview Fact Sheet

RWIS & RISE Frequently Asked Questions

Monthly project updates

Release Notes


All data are provisional and subject to revision unless otherwise noted. Not all sites, parameters, and data types are currently available through RWIS. Future improvements to the site will add a broader range of data and improve functionality. If you do not find the data or functionality you need, please submit a request to rwis@usbr.gov.

Last updated: January 25, 2018