Nearly 500 water utilities across the state tested positive for atrazine — a weed killer — which can lead to harmful health effects, according to a new report. The Environmental Working Group also found that utilities are testing water during times when the herbicide isn't being used as much — and that they may be lowballing the results. Read more.
Levels in Lake Mead – the largest US reservoir by volume – fell to historic lows on Thursday, as the region continues to face the effects of a devastating prolonged drought. Read more .