Florida City Water Hardness & Quality Report (2026)
Water Hardness
15.9 grains per gallon
Source
groundwater
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
852.1 mg/L
Est. Daily Cost
$0.73
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Florida City, your appliances are currently losing 36% efficiency due to mineral buildup.
| Appliance | In Florida City | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3.5 yrs | 12 yrs | -71% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Florida City compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Florida City, Florida | 272 mg/L | 11.1 ppt | 🔴 Very Hard | groundwater |
| Homestead, Florida | 92.5 mg/L | 5.5 ppt | 🟡 Moderately Hard | groundwater |
| Leisure City, Florida | 109.5 mg/L | 6 ppt | 🟡 Moderately Hard | groundwater |
| Naranja, Florida | 230.5 mg/L | 9.8 ppt | 🔴 Very Hard | groundwater |
| Princeton, Florida | 90 mg/L | 5.4 ppt | 🟡 Moderately Hard | groundwater |
National Benchmark
How Florida City compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Florida City | 272 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Florida City's Water Unique?
Local geology and source profile
Florida City, Florida, in Miami-Dade County — a Miami-Dade County city adjacent to Homestead and Florida Keys at the southernmost point of the Florida mainland — receives its water from the Miami-Dade Water Sewer authority, drawing from the Biscayne Aquifer (Miami-Dade County) through the south Florida distribution.
The extremely hard 272 mg/L hardness and TDS of 852.1 mg/L reflect the south Miami-Dade County Biscayne Aquifer supply's extreme calcareous-saline character — the Biscayne Aquifer at the southernmost Florida mainland is highly calcareous Pleistocene Miami Limestone with significant coastal saltwater intrusion contributions to TDS, producing some of the highest TDS readings in the state (compare Bellair-Meadowbrook FL: 290.5/934.9 on the Floridan Aquifer in northeast Florida). The Biscayne Aquifer at Miami-Dade County — Pleistocene Miami Limestone (highly calcareous — primary hardness contributor), Pleistocene Fort Thompson Formation (highly calcareous — secondary contributor), and coastal saltwater mixing (chloride — major TDS contributor).
At 272 mg/L with TDS 852, Florida City's water is extremely hard. A water softener is essential to prevent severe scale damage. A reverse osmosis system is required for drinking water. The PFAS level of 11.1 ppt warrants a certified drinking water filter — Homestead Air Reserve Base (Miami-Dade County — AFFF) is a primary contributor to Florida City's elevated PFAS readings.
Geology & Source: Florida City in Miami-Dade County draws from the Miami-Dade Water Sewer on the Biscayne Aquifer (Miami-Dade County, south Florida) — the Biscayne Aquifer at Miami-Dade County is developed in highly calcareous Pleistocene Miami Limestone and Pleistocene Fort Thompson Formation (highly calcareous) — Florida Miami-Dade County Biscayne Aquifer Pleistocene highly calcareous aquifer produces extremely hard water at 272 mg/L with TDS 852.1 mg/L.