The precautionary boil order will remain in effect until further notice.

The EPA is proposing a major overhaul of rules on lead contamination in drinking water, including tightening testing requirements at the nation's schools and day care centers.  

The U.S. Food and Drug Administration is proposing a lower concentration of added fluoride in bottled water.  

Douglas County says the boil water notice for the Cave Rock Water System in Douglas County has been rescinded. They said both rounds of their bacteriological testing have come back clean.

TransCanada Corp.'s Keystone pipeline leaked an estimated 210,000 gallons of oil onto agricultural land in northeastern South Dakota, but state officials don't believe the leak polluted any surface water bodies or drinking water systems. 

Bath Street in Carson City is undergoing minor repairs after a water main break Thursday morning. Carson City officials say the break happened around 5:30 a.m. and public works restored normal operation by 8:00 a.m.

An Associated Press analysis of federal Environmental Protection Agency data suggests lead contamination of drinking water is less prevalent in Nevada than other parts of the U.S. Nationwide.

The government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years.