General IDEM Information IDEM Contact General IDEM Information General IDEM InformationMain Phone Numbers: (317) 232-8603(800) 451-6027Submit General Questions or CommentsReport Environmental Emergencies and Spills (24 Hours a Day) (317) 233-7745(888) 233-7745 (toll free)File an Environmental ComplaintRequest Free, Confidential Compliance and Technical AssistanceRequest Public RecordsAbout IDEM