If the Upper Basin builds out to 4.5 million acre-feet, the Lower Basin must save another million acre-feet, equivalent to 326 billion gallons a year.

The Upper Mississippi River National Wildlife and Fish Refuge is the core of a major flyway for migrating birds and one of the most visited refuges in the U.S. Anglers and outdoor enthusiasts ...

More than 90% of the river comes from the annual snowpack, which occurs almost entirely in the Upper Basin. Warming temperatures are making river flows increasingly volatile and uncertain and have ...