64 Wisconsin drinking water systems topped U.S. lead limits since 2013
![64 Wisconsin drinking water systems topped U.S. lead limits since 2013](http://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/b/9c/b9c926c3-f04c-545e-bdd3-dbbb51d733cf/570842f912cae.image.jpg?resize=300%2C200)
64 Wisconsin drinking water systems topped U.S. lead limits since 2013A system is over the federal action limit when at least 10 percent of water samples taken in a sampling period have lead concentrations of 15 parts per billion or…