Under an administrative order from the Florida Department of Environmental Protection, the City of Palm Coast Utility Department faced important decisions in developing a water treatment process compliant with its discharge permit.
From 1992-2014, the Palm Coast Water Treatment Plant No. 2 discharged concentrate from its nanofiltration process to the Royal Palms Canal through the use of an extended mixing zone under a Discharge Monitoring and Reporting permit.
In 2008 the state Department of Environmental Protection eliminated the use of the extended mixing zone, which meant the plant could not meet certain water-quality parameters without dilution of the concentrate. The DEP gave
