Dearborn County is required by the Indiana MS4 Permit to develop a Construction Site General Permit. Please click here to be directed to the permitting page.
If you will be working within streams or wetlands or any other water body, additional permits maybe required. If you are unsure what other permits you may need, please use Indiana's Waterways Inquiry Request Tool.
Indiana Waterways Inquiry Request
Typically, you will receive a reply within ten (10) business days from the Waterways Tool. Please note that the tool is not an application, it will only identify what additional permits are required if applicable.