JEA: Multiple safeguards in place to protect water system Jacksonville’s utility monitoring investigation into Oldsmar water system hack Updated: Tags: The Associated Press contributed to this report. JACKSONVILLE, Fla. – JEA wants to reassure its customers that water treated at the utility’s facilities is safe to drink because of the layers of protocols in place. At the JEA downtown water treatment facility, Kevin Holbrooks is the director of environmental compliance, and it’s his job to make sure the city’s water is safe. He said the attempted poisoning of drinking water at a treatment facility in the city of Oldsmar in Pinellas County is concerning.