Haw. Rev. Stat. § 54-55
The county attorney shall be the legal adviser of the board of water supply and shall prosecute and defend, as the board may require, any and all actions and proceedings involving matters under its jurisdiction. The county attorney may, with the prior approval of the board, compromise, settle, or dismiss any litigation or proceedings which may be pending for, or on behalf of, or against the board relative to any matter or property under its jurisdiction.
The county attorney shall appoint and detail to the board such attorneys as the board may deem necessary to conduct its legal work, and the compensation of the attorneys so detailed shall be fixed by the board, and shall be paid from the revenues of the waterworks. The attorneys, when so appointed, shall be deputies of the county attorney, and shall be in addition to the deputies and assistants now or hereafter allowed to the county attorney by law.
The board may employ an attorney to act as its legal adviser and to represent it in any litigation to which it is a party.
HRS § 54-55