N.J. Stat. Ann. § 26:9-28

When the board of freeholders of any county, by resolution approved by a majority of the members of the board, shall declare that it is expedient or necessary to eliminate breeding places of mosquitoes within the county, the board may issue bonds, in the corporate name and under the corporate seal of the county, to provide moneys for such work. Such bond issue shall not exceed three hundred thousand dollars.