“The worst water providers can have such severe problems that residents are told they can’t drink the water. For 10 solid years Dickerson and 175 neighbors in the tiny, majority Black community of Keystone had to boil all their water. That length of time is nearly unheard of — such warnings usually last only for days. The requirement added gas and electricity costs on top of the water bill. In addition, residents would lose water outright for days or even weeks at a time with no warning. A coal company had built the original system, but since left, leaving no one in charge.” AP: When destitute small towns mean dangerous tap water.