(2) The director may enter into an agreement with a political subdivision or investor-owned public utility that owns or operates a public water system and that intends to extend the distribution facilities of its system, to increase the number of service connections to its system, or to add distribution system pump stations or storage tanks in the distribution system, which agreement authorizes a qualified officer or employee of the political subdivision or investor-owned public utility, as determined by the director, to review plans for the extension of the distribution facilities, the increase in the number of service connections, or the addition of distribution system pump stations or storage tanks in the distribution system for compliance with this chapter and the rules adopted under it and to certify to the director whether the plans comply with this chapter and the rules adopted under it. If, pursuant to such an agreement, the official or employee of the political subdivision or investor-owned public utility designated in the agreement certifies to the director that the plans comply with this chapter and the rules adopted under it and if the plans and certification are accompanied by an administrative service fee calculated in accordance with division (N)(2) of section 3745.11 of the Revised Code, the director shall approve the plans without further review by issuance of an order as a final action. As used in division (A)(2) of this section, "investor-owned public utility" means a person, other than an individual, that is a water-works company, as defined in section 4905.03 of the Revised Code, and that is not owned or operated by a municipal corporation or operated not-for-profit.