800-282-9378 SAVE THIS 24/7 number for the Ohio EPA emergency response dispatch - to report & request immediate field investigation on any immediate observed pollution matter or suspected related criminal activity including, water, air, chemical spill, waste dumping, etc.
Ohio EPA Central District office 614-728-3778 during workdays. For all District office contacts, referencehttp://www.epa.state.oh.us/districts.aspx
If the location falls within city of COLUMBUS storm or sanitary WATER jurisdiction call 24/7 for dispatch 614-645-7102.
It helps to be as descriptive as possible when reporting the pollution. When, where, how, etc. If you have photos or additional information, don't hesitate to share them!