Mahendra Reddy is charged with one count each of bribery and using undue influence.
The charges were brought by the Independent Commission Against Corruption.
In a statement, it alleged Dr Reddy offered a steady water source to a high school in exchange for a school manager's vote.
It said he interfered with the free exercise or performance of the manager, Waisea Lelobo's political rights.
Dr Reddy has pleaded not guilty and was granted bail.
His conditions included paying $500 bond and having to report to a police station once a week.