Cities bear rising cost of keeping water safe to drink
![Cities bear rising cost of keeping water safe to drink](http://bloximages.chicago2.vip.townnews.com/democratherald.com/content/tncms/assets/v3/editorial/a/6c/a6c0aaca-bf60-5cde-93b9-de0cb684737b/5609f6bf6b19c.image.jpg?resize=300%2C187)
In this Tuesday, Sept. 15, 2015 photo, Thomas Bridgeman, an associate professor in the Department of Environmental Sciences at the University of Toledo, left, along with graduate students Kris…
In this Tuesday, Sept. 15, 2015 photo, Thomas Bridgeman, an associate professor in the Department of Environmental Sciences at the University of Toledo, left, along with graduate students Kris…