Conn. Gen. Stat. § 7-149b

(b) No municipality shall enact or enforce an ordinance or resolution that regulates the ownership, possession, purchase, sale, use, transportation or operation of any commercial unmanned aircraft or otherwise regulate the ownership, possession, purchase, sale, use, transportation or operation of such aircraft, except as otherwise authorized by state and federal law, and to the extent they do not conflict with policies and procedures adopted by the Connecticut Airport Authority. Notwithstanding the provisions of this section, any municipality that is also a water company, as defined in section 25-32a , may enact and enforce ordinances or resolutions that regulate or prohibit the use or operation of private and commercial unmanned aircraft over such municipality's public water supply and Class I or Class II land, as described in section 25-37c , provided such ordinances or resolutions do not conflict with federal law or policies and procedures adopted by the Connecticut Airport Authority.