- Associated Press - Tuesday, July 7, 2015

BURLINGTON, Vt. (AP) - Vermont drinking water systems on Lake Champlain are being sampled for blue-green algae toxins as part of a new 12-week program.

Some blue-green algae blooms produce toxins that are harmful to humans and animals. Testing is the only way to know if a toxin is present in drinking water.

Lake Champlain is the drinking water source for about 150,000 people in Vermont. Since the U.S. Environmental Protection Agency does not require testing for blue-green algae toxins, participation in collecting samples is voluntary.

If toxins are found, treatment capabilities may involve filtration or oxidation.

Jim Fay, general manager of the Champlain Water District, the state’s largest system, said historical test results for blue-green algae toxins have shown no results above the minimum detectable levels.

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