Children are more vulnerable to lead than adults; it can cause lower IQs and slowed physical growth. The Flint lead crisis rang alarm bells nationwide, but there are no federal regulations that require schools to test for lead, and most states have also not created laws. Here in Indiana, public schools are not required to test for lead. Zionsville-based 120WaterAudit wants to help parents, and school administrators, who may be thirsty for answers.