Scientists want to add bacteria that are lethal to invasive mollusks to water at Hoover or Davis dams, but they say tests will be done to ensure safety

Written by Phoebe Sweet of Las Vegas Sun

They are so common they’re swimming in your spoiled milk, growing on the cheese left too long in the back of the fridge.

But if bacteria were about to be released into your drinking water supply, would you worry?

The Bureau of Reclamation says you shouldn’t. Its scientists want to set Pseudomonas fluorescens loose at either Hoover Dam or Davis Dam (near Laughlin) this fall as a cavalry charge in what has so far been a losing battle against the invasive quagga mussel. Quaggas, which can clog water intakes and damage pumps and other machinery, hitched a ride from their native Ukraine to the Great Lakes about 20 years ago and were found to be infesting Lake Mead last year.

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