Ohio Rev. Code § 6123.02
The carrying out of the purposes and the exercise by the Ohio water development authority of the powers conferred on it by Chapter 6123. of the Revised Code shall be held to be, and are hereby determined to be, essential governmental functions and public purposes of the state, but the authority shall not be immune from liability by reason thereof. Each member shall be reimbursed for his actual expenses necessarily incurred in the performance of his duties under Chapter 6123. of the Revised Code. All expenses incurred in carrying out Chapter 6123. shall be payable solely from funds provided under Chapter 6123. of the Revised Code, appropriated for such purpose by the general assembly, or provided by the controlling board and no liability or obligation shall be incurred by the authority beyond the extent to which moneys have been so provided or appropriated.
R.C. § 6123.02