Coral Springs Water Hardness & Quality Report (2026)

Coral Springs, Florida, a planned city in northwest Broward County, draws its municipal water supply exclusively from the Biscayne Aquifer through the City of Coral Springs Water Services wellfield network in Broward County. The Biscayne Aquifer, one of the most productive shallow aquifers in the United States, is the sole practical drinking water source for southeast Florida and underlies all of Miami-Dade and Broward Counties. Coral Springs' wells tap the Tamiami Formation, Fort Thompson Formation, and Miami Limestone at depths typically between 20 and 80 feet below ground. Water is treated at the City's water treatment facilities before distribution. Water hardness measures 153 mg/L — classified as hard.

Coral Springs' hard supply reflects the Biscayne Aquifer's carbonate character in northwest Broward County. The Miami Limestone (oolitic calcarenite) and the Fort Thompson Formation (freshwater and marine interbedded limestone) form the principal productive layers of the Biscayne Aquifer here. These Pleistocene carbonate rocks, highly porous and reactive, readily dissolve calcium bicarbonate into circulating groundwater. The Tamiami Formation (Pliocene-age calcareous sandstone and limestone) at depth adds further dissolved minerals. Northwest Broward's wellfield zone, set further inland from the coastal freshwater–saltwater transition boundary, shows somewhat higher hardness than coastal areas due to longer groundwater residence times and more complete carbonate equilibration.

At 153 mg/L, Coral Springs residents face regular scale build-up on bathroom fixtures, faucet aerators, and in appliances. Monthly cleaning with citric acid descaler maintains showerheads and faucet aerators in good condition. Dishwashers produce cleaner glassware with rinse-aid, and water heaters should be inspected annually for element scale. City of Coral Springs Water Services consistently delivers water meeting all Florida DEP and EPA Safe Drinking Water Act requirements.