Wekiwa Springs Water Hardness & Quality Report (2026)

Wekiwa Springs, Florida, in Seminole County — an unincorporated Seminole County community adjacent to the celebrated Wekiwa Springs State Park, home to a first-magnitude karst spring discharging ~42 million gallons per day of crystal-clear, constant-temperature spring water — receives its municipal water from Seminole County Utilities or local district utilities, which draws from the Upper Floridan Aquifer through production wells in the Seminole County northern zone. The community sits above and around one of Florida's most famous springs, yet receives treated utility water from the same aquifer system.

The moderately hard 149 mg/L hardness and TDS of 382.2 mg/L reflect the Floridan Aquifer's character in the Seminole County zone, somewhat softer than the deep Avon Park Formation profiles seen farther south. The Upper Floridan Aquifer at Wekiwa Springs accesses primarily the Eocene Ocala Limestone — a permeable, massive chalky limestone formation deposited in warm Eocene tropical seas. The Wekiwa Spring itself is the direct surface discharge of this Floridan Aquifer — the spring water (~21°C year-round, ~100 mg/L hardness) represents the unconfined Floridan at its freshest and most dilute near the spring's recharge zone. Municipal production wells accessing deeper or more confined Floridan zones produce the moderately harder (149 mg/L) finished water delivered to Wekiwa Springs community households.

At 149 mg/L, Wekiwa Springs' water is moderately hard — consistent with the central Seminole County Floridan supply. Scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and bathroom fixtures develop calcium deposits. Quarterly descaling of heating appliances is the standard schedule. The PFAS level of 7.2 ppt warrants a certified drinking water filter — Seminole County's suburban development corridor, Naval Air Station Orlando (decommissioned but with legacy PFAS from AFFF firefighting foam), and the greater Orlando metropolitan industrial and military complex contribute to the central Florida PFAS background.