N.H. Rev. Stat. § 430:9
For the purpose of preserving and promoting the public health and welfare by providing for the control of mosquitos and other arthropods of public health and welfare significance (hereinafter referred to as mosquitos), the creation of mosquito control districts is hereby authorized. The boundaries of the districts shall cover the same area as the boundaries of the cities and towns in the district. The mosquito control districts may further be identified by that state region in which they are located. Permanent control of mosquitos shall be the primary aim of the state committee, recommending and initiating only such temporary measures as are necessary and judicious, to be guided by the various state, federal and local departmental requirements.
RSA 430:9
1985, 72:1, eff. July 1, 1985.