Indiana Code Title 13. Environment § 13-18-17-4

(1) may investigate allegations of;  and

(2) shall investigate confirmed incidents of;

(1) issue an advisory to the users and owners of a water well found to be contaminated concerning the hazards to health posed by the contamination;

(2) take emergency action, including emergency action under IC 13-14-10, to reduce exposure to well water contaminants that pose a threat to human health;  and

(3) as appropriate to safeguard human health, order abandonment of contaminated water wells.