Many states have regulations on weed control products, but they are frequently unable to enforce them.  We have customers in every state.

OH EPA only addresses permits for the use of chemicals.

OH EPA doesn’t seem to require a permit for mechanical/physical methods of lake weed control

OH EPA has not returned our emails.  Here is the document we reviewed:  https://www.epa.ohio.gov/portals/35/permits/Pesticide_Final_GP_oct11.pdf

Check with your town’s code/building department to see if a local permit is needed.