§ 1230-x. Audit and annual report. In conformity with the provisions of section five of article ten of the constitution, the accounts of the water board and of the authority shall be subject to the supervision of the comptroller and an annual audit shall be performed by an independent certified accountant. The water board and the authority shall annually submit to the governor and comptroller and to the state legislature a detailed report pursuant to the provisions of section twenty-eight hundred of this chapter, and a copy of such report shall be filed with the clerk of the county and city.