Many states have regulations on weed control products. However, they are frequently unable to enforce them. We have customers in every state.
No state permit required: Page 42 https://www.ct.gov/deep/lib/deep/water/lakes/Caring_for_Our_Lakes.pdf
Check with your town’s code/building department to see if a local permit is needed.
If you find out what permitting guidelines you have, please do us a favor and let us know at info@lakebottomblanket.com