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Children exposed to lead in drinking water at schools and day care

Gaps in federal drinking water standards enforced by state leave sites untested, numerous lead service lines remain.

Almost two weeks into the school year, Melissa Corrigan got an email from the principal and superintendent of her daughters’ elementary school.

Water from four West Middleton Elementary School faucets taken Sept. 1, the first day of school, had tested high for levels of lead or copper. As a safety precaution, the school would provide bottled water to students until the issue was resolved.

Corrigan — whose daughters Brooklyn and Carly are in first and fourth grades — thought little of the news, partly because the email told parents of the school west of Madison that it was “highly unlikely” that the water was unsafe to drink.

But West Middleton’s results were high — one faucet had more than six times the federal action level of 15 parts per billion of lead and nearly 19 times the federal action level of 1,300 ppb of copper. Samples from nine of the 10 faucets showed a presence of lead.

Any amount of lead can cause permanent brain damage, including reduced intelligence and behavioral problems, according to the U.S. Environmental Protection Agency. Infants and children are considered the most vulnerable to lead’s negative effects.

State and federal efforts to protect Wisconsin children in schools and day care centers from lead in their water have fallen short on several fronts, the Wisconsin Center for Investigative Journalism has found. Among the problems uncovered by the Center in documents and interviews:

  • There is a lack of testing for lead in drinking water consumed by children while away from home. Federal regulations enforced by the state of Wisconsin do not require most schools or day care centers to test at all. A 2016 USA Today investigation found that an estimated 90 percent of schools nationally are not required to test their water.
  • There has been confusion over proper lead testing procedures at some schools, day care centers and public water systems in Wisconsin, as the Center has reported. This year, the state Department of Natural Resources waited nine months to send an official notice to public water system operators that the EPA had updated its testing recommendations in response to flaws uncovered by Flint, Michigan’s lead-in-water crisis.
  • Lead service lines, a significant source of lead in drinking water, continue to provide water to hundreds of schools and day care centers around Wisconsin. In other communities, officials are not sure how many schools and day cares have lead pipes.

Because of West Middleton’s rural Dane County location, the school has its own well and is among the minority of schools that must comply with some of the same testing requirements as municipal water systems.

Middleton-Cross Plains Area School District Superintendent George Mavroulis said after learning of the testing results, the school immediately shut off drinking water and consulted with a private testing company and a liaison from the DNR.

Two weeks after the initial test, the K-4 school with 400 students had the same faucets — and three water fountains — tested again. The levels of lead and copper returned to below the action level, and students and staff were again allowed to use the water.

“We tried to do everything in our power to make sure everyone was safe,” Mavroulis said.

The school has since replaced two faucets and plans to replace two more over winter break, he said. Perry Hibner, the district’s spokesman, said the school does not have lead pipes, but the building’s copper pipes may have lead solder.

Hibner believed two human errors caused the school’s initial water samples to be high in lead and copper: not flushing the system beforehand, as the DNR suggests after long periods of non-use like summer break, and removing the aerators from the faucets, which allowed a higher than normal water flow.

Subsequent samples were taken after one hour of flushing and six hours of non-use.

The EPA issued new nationwide guidance in February clarifying that public water systems should not remove aerators or flush systems before sampling to avoid masking the level of lead in the water. DNR spokesman Jim Dick said West Middleton was in a “unique situation” because of its failure to previously flush the school’s system after the water had been stagnant for an extended period of time.

Going forward, however, the district will need to conduct two rounds of testing in the next year to assure the water is safe — and follow all of the appropriate sampling methods, he said.

After reviewing West Middleton’s test results, Yanna Lambrinidou, a Virginia Tech University researcher who helped train Flint researchers, said telling parents a health risk was highly unlikely was “a stunningly irresponsible statement, especially after Flint.”

Said Lambrinidou: “There is no safe level of lead in drinking water.”

There are also gaps when it comes to protecting children from lead in water at child care centers. All licensed day care centers in Wisconsin are required to identify and mitigate dangers from lead paint, but only centers that use private wells are required to eliminate lead hazards in drinking water, according to Joe Scialfa, spokesman for the state Department of Children and Families.

The USA Today investigation found that among schools and day care centers that are required to test, Wisconsin recorded the fourth-highest number of lead exceedances, with 24 between 2012 and 2015. Potential sources include lead pipes delivering water to and within the building, plumbing fixtures such as faucets and drinking water fountains, and solder used to join pipes.

Lead in small doses dangerous

Exposure to even small amounts of lead can cause permanent damage. A 2012 study of nearly 4,000 fourth-graders in Milwaukee showed that those with elevated levels of lead — even below what is considered dangerous — scored significantly lower on reading and math tests than those without elevated blood-lead levels. This negative effect was detected seven to eight years later, even after the study’s authors adjusted for social factors including family income and school attendance.

The Center reported in February that at least 176,000 homes and businesses in Wisconsin receive water from lead service lines, which account for 50 to 75 percent of lead contamination in public tap water, according to a 2008 study. Milwaukee — which required the use of lead pipes until 1948, when copper was also allowed — has at least 70,000 lead service lines.

Milwaukee says it has removed lead service lines leading to all of its public school buildings. Madison is thought to be the first city in the nation to remove all lead service lines from its water utility service area.

Milwaukee plans to focus $2.6 million from a new $14.5 million DNR program to begin replacing lead service lines leading to 384 licensed day care centers and 12 private schools in the city. In the meantime, the Milwaukee Health Department has advised those centers to test for lead, flush their taps if the water has been sitting in the pipes for several hours, consider using only filtered or bottled water for preparing formula, and cook with water from the cold water tap, which generally has less lead.

An additional 17 Wisconsin communities ranging from Antigo to Waterloo plan to use money from the program to replace lead service lines leading to their schools and day care centers.

School officials in Detroit, Chicago, Washington, D.C. and Massachusetts also have become increasingly concerned that lead is lurking in school water supplies. A testing program in Chicago identified more than 100 schools with lead-tainted water. A Massachusetts program launched in response to Flint found that more than half of the 300 public schools tested had unsafe levels of lead in the water.

Of particular concern: Day care centers where infants could be fed baby formula made with tap water, or toddlers could be eating food cooked in lead-laden water.

At a Sept. 7 water forum at Marquette University Law School, Milwaukee Mayor Tom Barrett said he has been assured by city health and public works officials that Milwaukee’s water is safe. But when he asked if the same is true for infants, the mayor said, their answer was “No.”

“So there, I think, is the issue,” Barrett said. “I would say for infants and children — that’s where you don’t want to have the lead exposure, and that’s where we continue to have some lead exposure in older homes.”

Rep. LaTonya Johnson, a Democrat from Milwaukee, operated a day care business out of her 90-year-old home for several years before running for public office. She said she used drinking water from a cooler until recently, when she spent more than $10,000 to replace corroded pipes throughout her northwest side house, which is served by lead service lines.

Johnson said many homeowners cannot afford projects like hers — and some day care providers might not know how to protect children from lead in drinking water.

“I’m sure people use sink water,” she said. “It’s right there.”

A ‘regulatory vacuum’

Residents and even officials often assume that drinking water is safe if it has been tested by a municipality. When a concerned parent called the Wausau School District last school year to ask if the district tested its water for lead, school officials referred the parent to the city of Wausau, which is responsible for testing municipal water.

But Wausau Water Operations Superintendent Scott Boers said the city only collects samples from residential buildings. Lead generally makes its way into water not at the water plant but as it travels through service lines and indoor plumbing, all of which could contain lead. Lead solder was used in structures built before 1984, and until 2014, plumbing components could still contain up to 8 percent lead.

Boers said none of the district’s buildings have lead service lines. The school district’s building and grounds director, Larry Cihlar, said testing is required only at the three facilities in the district which have private wells.

In the Lead Contamination Control Act, the EPA recommends that schools test water at each cold water tap — although no frequency is mentioned — share abnormal results with the public and take action to remediate any problems. Because these are recommendations, and not requirements, a school that tests its water and finds high levels of lead could choose not to share the findings with parents — and do nothing to fix the problem.

News investigations have shown that administrators in Newark, New Jersey, Portland, Oregon and Ithaca, New York knew about lead in water at schools for several months or years before the findings became public. Lambrinidou, the Virginia Tech researcher, and others decried the “regulatory vacuum” surrounding water testing in schools in a 2010 paper titled Failing Our Children.

“If you’re a parent, if the school is going to leave your child suboptimally protected, it’s better to know that they’re not doing much than to have false comfort that the schools are taking care of them,” Lambrinidou said.

The immediate solution for schools with elevated lead levels does not have to be costly, she said, noting that schools in Washington, D.C. and Baltimore are relying on filters and bottled water as they remove lead plumbing over time.

School leaders mixed on lead mandate

Clendon Gustafson, superintendent of the South Shore School District in Port Wing, said hearing of elevated lead levels in Milwaukee drinking water made him wonder about South Shore’s water.

“We’re preparing for the school year, so halfway through August and I don’t know if we’ve ever had our water tested for that.” The district spent around $130 to test samples from five drinking fountains, which came back below the action level. Gustafson shared the results in the next school newsletter.

Experts including Lambrinidou say even testing is not enough because lead levels in water fluctuate.

“You take 10 tests in a row — nine can show no lead at all,” she said. “And then the tenth can have parts in thousands of parts per billion because it’s a lead particle that just fell in the water.”

Jon Bales, executive director of the Wisconsin Association of School District Administrators, said most administrators support water testing. But if it identifies lead hazards that require costly remediation, he said, “We feel like there ought to be some federal support and state support to do that.”

His organization, as part of the national School Superintendents Association, has been pushing Congress to require municipalities to test school water quality during their required testing for compliance with the Lead and Copper Rule.

The group also is looking for “predictable funding” for school districts found to have a lead problem to pay for replacing lead service lines, lead fixtures and drinking fountains.

When officials at Riverside Elementary School east of Wausau discovered that lead from pipes in its foundation was leaching into the water, they opted to remove the school’s drinking fountains entirely. Assistant Superintendent Jack Stoskopf said the school relies on a filtration system for tap water and has spent about $1,000 a month over the past 10 years on bottled drinking water.

“That’s far less expensive than tearing up the foundation of the school and tearing up the pipes,” he said.

The Water Infrastructure Improvements for the Nation Act, passed by the U.S. Congress in early December, establishes a voluntary program to test water in schools and day care centers and allocates $20 million a year over the next five years nationwide for testing. The measure also sets aside $60 million annually for lead reduction efforts, including removing lead service lines from schools and day care centers.

Crystal Wozniak, who lives in Green Bay with her 4-year-old son Casheous, said she considered the likelihood of lead being present in the water when deciding where Casheous would start a 3-K program in the fall. She chose a newly constructed school in the center of town over a building outside of town built several years earlier.

Casheous was lead poisoned when he was 9 months old, likely from chewing a windowsill covered in lead paint. Since then, Wozniak has educated others about eliminating possible sources of lead and advocated for required water testing, including in schools.

“The water at a school may be more harmful because they’re ingesting the water, and the food there is made with the water,” she said. “All the kids aren’t necessarily going around licking the walls, but they’re drinking the water.”

Cara Lombardo and Dee J. Hall

Bridgit Bowden / Pat A. Robinson / Coburn Dukehart / LaTonya Johnson

The nonprofit Wisconsin Center for Investigative Journalism collaborates with Wisconsin Public Radio, Wisconsin Public Television, other news media and the UW-Madison School of Journalism and Mass Communication. All works created, published, posted or disseminated by the Center do not necessarily reflect the views or opinions of UW-Madison or any of its affiliates.

About The Author

WisconsinWatch.org

The nonpartisan, nonprofit Wisconsin Center for Investigative Journalism is increasing the quality and quantity of investigative reporting in Wisconsin, while training current and future generations of investigative journalists. Its work fosters an informed citizenry and strengthens democracy. wisconsinwatch.org

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