Deltona Water Hardness & Quality Report (2026)

Deltona Water serves approximately 75,496 residents in Deltona, Florida, primarily in Volusia County, and also supplies water to areas including Rock Island and Enterprise. The utility sources all its water from groundwater in the Floridan Aquifer. Treatment occurs at facilities involving aeration, addition of chlorine and ammonia to form chloramines for disinfection, and phosphate-based corrosion control chemicals. The utility can be contacted at 386-575-6800 or 255 Enterprise Road, Deltona, FL 32725.

The Floridan Aquifer underlies Deltona's service area, shaped by Florida's limestone-rich geology from the Eocene and Oligocene periods. This karst aquifer features highly soluble carbonate rock formations — including the Ocala Limestone and Avon Park Formation — that dissolve minerals into the groundwater, producing a hard supply with elevated calcium and magnesium. The region's porous limestone allows recharge from rainfall while imparting a consistently mineralized character that influences water chemistry across all city sources in Deltona.

Very hard water in Deltona leads to significant scale buildup in pipes, reducing water flow over time, and causes water heaters to work harder, increasing energy costs. Faucets, shower doors, dishwashers, and washing machines show visible deposits that shorten lifespan and raise maintenance needs. Regular descaling, vinegar rinses for fixtures, and installing a water softener are recommended to protect plumbing and improve efficiency throughout the home. The 2024 Water Quality Report flags 9 contaminants above EPA health guidelines in some areas, including monochloroacetic acid, pentachlorophenol, and dieldrin; chloramination and corrosion control are applied in treatment, with pH and lead/copper compliance details in the CCR.