Tens of Thousands Cleared to Resume Using Tap Water in West Virginia

West Virginia officials on Tuesday lifted a ban on drinking tap water from 35,000 customers who had been affected by a chemical spill that left the state's water supply nearly unusable for hundreds of thousands since last week.

Join Our Community of Science Lovers!

By Karen Brooks

(Reuters) - West Virginia officials on Tuesday lifted a ban on drinking tap water from 35,000 customers who had been affected by a chemical spill that left the state's water supply nearly unusable for hundreds of thousands since last week.

Residents of the Southside and Southridge areas near state capital Charleston are now free to drink or wash with their tap water, according to a news release by West Virginia American Water. Downtown Charleston and nearby Kanawha City were cleared on Monday.


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


Consumers were instructed to flush their systems before using the water, which had been barred for use except for toilets since the chemical discharge into the Elk River on Thursday.

More than 300,000 consumers were affected after as much as 7,500 gallons (28,000 liters) of 4-methylcyclohexane methanol, or crude MCHM, leaked into the river.

"We're getting back to normal stage by stage," U.S. Senator Joe Manchin told MSNBC on Tuesday. "I would say by tomorrow everything should be back up and running."

Officials said on Monday that it might be several days before the entire system, with its hundreds of miles of pipe, is safe to use.

The crude MCHM chemical, which is used in coal processing, leaked into the river from a tank at a Freedom Industries site about a mile upriver from an American Water treatment plant, the biggest in the state.

Governor Earl Ray Tomblin declared a state of emergency in nine counties, including Charleston, shutting down schools and businesses.

Freedom Industries, which makes specialty chemicals for the cement, mining and steel industries, has apologized for the incident.

Water tainted by crude MCHM smells faintly of licorice. Contact with the water can cause nausea, vomiting, dizziness, diarrhea, rashes and reddened skin.

A total of 231 people had visited emergency rooms with symptoms, and 14 had been admitted, officials said.

The U.S. Chemical Safety Board and the U.S. attorney for the Southern District of West Virginia are investigating the spill.

West Virginia American Water is a unit of American Water Works Co Inc.

(Reporting by Karen Brooks; Additional reporting by Susan Heavey; Editing by Scott Malone and Lisa Von Ahn)

It’s Time to Stand Up for Science

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in that two-century history.

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe. I hope it does that for you, too.

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs across the U.S.; and that we support both budding and working scientists at a time when the value of science itself too often goes unrecognized.

In return, you get essential news, captivating podcasts, brilliant infographics, can't-miss newsletters, must-watch videos, challenging games, and the science world's best writing and reporting. You can even gift someone a subscription.

There has never been a more important time for us to stand up and show why science matters. I hope you’ll support us in that mission.

Thank you,

David M. Ewalt, Editor in Chief, Scientific American

Subscribe