Town of Grand Lake officials are currently working with state and federal agencies on how 100 percent compliance can be achieved around the Three Lakes (Granby and Shadow Mountain Reservoirs and Grand Lake) and Willow Creek Reservoir to ensure that boats are hot-power washed before

The Colorado River inlet to Shadow Mountain Reservoir showed traces of tree-spraying chemicals, but other Grand County lakes did not, according to government tests. Both carbaryl and permethrin were found at the one test site, according to Grand County Water Quality Specialist Katherine Morris. 

All the heavy equipment operating in the open meadow southwest of Tabernash, Colorado, this week is not constructing another development, but rather is working on a project that will restore the water quality and the riparian environment along a portion of the Fraser River.

The two sides of the Continental Divide are engaged in a first-of-its-kind negotiation over moving more water to the Front Range — the two water companies are planning $410 million in new projects to provide an extra 16 billion gallons — while protecting the mountain streams and rivers.

Apprehension about potential damage from mussels in Lake Pueblo went up a couple of notches over the weekend after the state confirmed quaggas as well as zebras are in the water.

Invasive mussels have been found in Grand Lake, Shadow Mountain Reservoir and Willow Creek Reservoir in the northern Colorado mountains, the Colorado Division of Wildlife said Friday.

Past late-season algae blooms in Grand Lake and Shadow Mountain Reservoir have prompted a series of algae tests being conducted in Colorado-Big Thompson Project reservoirs and Grand Lake.