"BUTTE — The number 5,410 has special meaning to Butte. It’s the critical water level – 5,410 feet above sea level – of the Berkeley Pit. The water in the pit must be kept below that elevation or risk contaminating Silver Bow Creek."

"North Carolina regulators have ordered Duke Energy to resubmit its proposal for assessing the extent of groundwater contamination leaking from 33 coal ash dumps across the state after deeming the company's current plans 'inadequate.'"

"Islamic State's assault on dams and water systems threatens Iraq's supply, which was already squeezed by dams in Turkey and Iran."

"When scientists on a boat in the Gulf of Alaska pulled their net in August, they saw something stunning: a live ocean sunfish."

"California voters enduring a record drought approved a $7.5 billion bond measure to upgrade water systems after Governor Jerry Brown said it was needed to shore up supplies."

"Florida's water war against Georgia advanced as the U.S. Supreme Court agreed on Monday to hear an interstate dispute on whether Atlanta's suburbs are sucking dry the river flow that feeds the oyster beds and fisheries of the northern Gulf Coast."

"Florida environmentalists are hoping voters will approve a ballot amendment on Tuesday to fund the purchase and conservation of land critical to protecting the state's water supply."

"Imagine Manhattan under almost 300 feet of water. Not water from a hurricane or a tsunami, but purified drinking water — 2.1 trillion gallons of it."

"SPOKANE — Three environmental groups sued a state agency Thursday over the effects of the Northwest’s only commercial nuclear power plant on the water quality of the Columbia River."