McMinnville Water and Wastewater Department has been investigated by the Tennessee Comptroller of the Treasury. “You trust an employee and they take advantage of the situation,” said city administrator Bill Brock, when asked about the report’s findings released Friday.Department officials notified the Comptroller’s Office after they became concerned about certain relationships and practices in the acquisition of specific chemicals. Per the state’s findings, from June 2013 to September 2015, a former employee was responsible for ordering chemicals totaling $46,882 from a company owned by someone with whom he had a close personal relationship.