This summer a toxic algae bloom in Lake Erie led to 500,000 people being cut off from their drinking water in Toledo. Elizabeth Brackett details the latest efforts to protect the Great Lakes drinking water.

Toledo Water Issues Lead to Re-Test of Lake Michigan Water

A toxic algae bloom in Lake Erie put Toledo's drinking water in jeopardy. Could the same thing happen to Lake Michigan and Chicago's water supply? Paris Schutz has the latest.