Lower Colorado River Hourly Conditions

The data and information shown on this page are collected by an automated process and are provisional in nature. Users are cautioned to carefully consider the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. You may access the data used by this page in a machine readable (JSON) format at this link. The link and the data on this page are updated hourly with our most recent hourly data for the last 7 days. You may use the slider below to update the map and the tables with recent hourly data (right) or with hourly data going back 7 days (left).
Lake Mead

Lake Mohave

Lake Havasu


Senator Wash


Reservoir Conditions

River Flows

Please contact the Water Operations Control Center via e-mail at bcoowaterops@usbr.gov or via phone at (702) 293-8373 for additional questions or information.