Indiana Code Title 14. Natural and Cultural Resources § 14-27-8-17

Sec. 17. (a) A drainage commissioner serves without salary, but is entitled to be paid from the drainage maintenance fund twenty-five dollars ($25) per day, not to exceed five hundred dollars ($500) annually, for every day the drainage commissioner is actively and necessarily employed in the following:

(b) A drainage commissioner is also entitled to be paid for traveling expense while engaged in the performance of duties under this chapter an amount for mileage equal to that amount per mile paid to state officers and employees.