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May 31, 2016 8:44 PM

Scientists say Flint water quality OK for bathing, showering

The Associated Press

Municipal water in Flint, Michigan, has improved significantly and is suitable for personal cleanliness uses, scientists said Tuesday in a bid to calm fears raised by actor Mark Ruffalo and others who have questioned the safety of the supply that flows into the city's bathtubs and showers.

Marc Edwards, a Virginia Tech engineering professor whose testing last summer confirmed the lead contamination of Flint's water, said sampling in recent months has found that lead levels are steadily declining, although they remain too high for people to drink from the tap without a filter. Also trending downward are bacteria that can cause Legionnaires' disease, while byproducts from disinfectant chemicals are at normal levels, he and other specialists said.

"We're seeing some very, very encouraging results," Edwards said at a news conference in Flint, adding that he was "pretty hopeful" the water would meet federal standards for lead content within the next six months.

The upbeat assessment contrasted with a grim portrayal by Ruffalo and Water Defense, an organization he founded, which said in February its testing had turned up lead and dangerous chemicals in sinks, tubs, showers and water heaters. Ruffalo, who starred in the Oscar-winning film "Spotlight," has continued sounding the alarm, while Edwards has accused him of fearmongering based on flawed testing that has frightened some people into forgoing basic hygiene.

"Many parents were deciding not to allow their children to take baths or shower or even wash their hands, they were so afraid," Edwards said in a phone interview.

In a statement to The Associated Press, Ruffalo said Water Defense has never advised against bathing or showering in Flint but believes more testing and "a proper epidemiological study" are needed before any conclusions can be drawn.

"The people of Flint have every right to demand to know exactly what is in their water and to maintain a certain degree of skepticism based on what they have been through," he said Tuesday in a statement to The Associated Press.

The struggling city of nearly 100,000 has been dealing with poor water quality since switching from the Detroit system, which draws from Lake Huron, to the Flint River in April 2014 as a short-term measure to save money while another pipeline to the lake was under construction.

Residents quickly complained of bad tastes, odors and colors. E. coli bacteria hit unsafe levels. And last September, state officials acknowledged a failure to add chemicals to limit corrosion had enabled the river water to scrape lead from aging pipes, exposing people in some homes and schools to the potent neurotoxin.

Flint was under state management at the time, leading to an apology from Gov. Rick Snyder. Flint returned to the Detroit system in October 2015. Criminal charges have been filed against two state Department of Environmental Quality officials, while Flint's utilities administrator pleaded no contest to willful neglect of duty, a misdemeanor.

Edwards was hired by the city in January to oversee water testing, his work funded through private donations.

Despite his sharp criticism of state and federal agencies' performance, he said Tuesday the situation has gotten better, with phosphate treatments coating pipes and residents heeding pleas to flush more water through the system, washing away lead-tainted rust.

Sampling of water in large and small buildings showed a decline in legionella bacteria readings from October to March, said Amy Pruden, another Virginia Tech professor.

In addition to lead, Water Defense has warned of byproducts generated by use of chlorine to disinfect water, which in high concentrations can be unhealthy. The group says they might be inhaled with steam or absorbed through the skin during showers.

Edwards and two other specialists David Reckhow of the University of Massachusetts and Shawn McElmurry of Wayne State University in Detroit said their analyses had shown that levels of disinfectant byproducts in Flint water were typical of those in other cities.

"There's nothing out of the ordinary from what we see," Reckhow said.

Edwards acknowledged many in Flint "have been through hell" and are understandably distrustful of authority, particularly those suffering from skin rashes and other symptoms they blame on the water.

But he said residents should question the credibility of Ruffalo's group.

"They're not scientists, nor are they familiar with how to sample water," Edwards told the AP.

Ruffalo responded that the crisis should inspire a nationwide conversation about water quality that includes ordinary citizens, not just scientists, and gives Flint residents clarity.

"The eyes of the world are on Flint and it should represent the best of our water treatment, water quality and oversight," he said.

"The scientific community, the EPA and the state of Michigan must follow out every possible pathway to contamination until there are answers to the continued occurrence of illness."

That's exactly what is happening, Edwards said.

"Flint has gone from being one of the most horribly run, least-studied (water) systems in the U.S. to the most carefully watched, best-monitored" of them all, he said.


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