For more information and/or to register, contact the Water Education Founation at (916) 444-6240 or visit their website.

Larvae from zebra or quagga mussels almost certainly have made their way downstream from Pueblo Dam in the Arkansas River, Bessemer Ditch and state fish hatchery.

Federal officials have proposed new rules targeting well owners who are illegally pumping water from wells along the lower Colorado River, a source of water for millions of people in the West. The U.S.

Don't move a mussel! That's the theme of a campaign to prevent the spread of zebra and quagga mussels to Colorado lakes.

The mussel-coated debris is unmistakable evidence of an event occurring silently and largely out of sight — the colonization of the Colorado River by the quagga mussel, a fingernail-size Eurasian bivalve with an astonishing sex drive and a nasty reputation for causing economic and ecological havoc.

Grand Lake, Shadow Mountain Reservoir and Lake Granby have been deemed ‘high priority’ in the state for taking action to prevent infiltration of non-native zebra mussels — and that may mean implementing a boat inspection program when funding becomes available, according to Colorado Division of Wildlife

A new plant constructed in Avra Valley means Tucson can finally begin taking nearly all of its share of Colorado River water. It means billions of gallons of Central Arizona Project water will be stored underground for use in the Tucson area.