Palmetto Estates Water Hardness & Quality Report (2026)
Water Hardness
10.4 grains per gallon
Source
groundwater
pH Level
8.1
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
482.5 mg/L
Est. Daily Cost
$0.48
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 Palmetto Estates, your appliances are currently losing 24% efficiency due to mineral buildup.
| Appliance | In Palmetto Estates | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.7 yrs | 8.5 yrs | -56% |
| Washing Machine | 7 yrs | 12 yrs | -42% |
| Water Heater | 8.5 yrs | 15 yrs | -43% |
Regional Water Comparison
How Palmetto Estates compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Palmetto Estates, Florida | 178.5 mg/L | 8.2 ppt | 🟠 Hard | groundwater |
| South Miami Heights, Florida | 248 mg/L | 10.4 ppt | 🔴 Very Hard | groundwater |
| Palmetto Bay, Florida | 177.5 mg/L | 8.1 ppt | 🟠 Hard | groundwater |
| Three Lakes, Florida | 169.5 mg/L | 7.9 ppt | 🟠 Hard | groundwater |
| Cutler Ridge, Florida | 220 mg/L | 9.5 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Palmetto Estates compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Palmetto Estates | 178.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Palmetto Estates's Water Unique?
Local geology and source profile
Palmetto Estates, Florida, in Miami-Dade County — a Miami-Dade County community adjacent to Kendale Lakes and Cutler Bay in south Miami-Dade — receives its water from the Miami-Dade Water and Sewer Department, drawing from the Biscayne Aquifer (Miami-Dade County) through the south Florida distribution.
The hard 178.5 mg/L hardness and TDS of 482.5 mg/L reflect the south Miami-Dade County Biscayne Aquifer supply's hard calcareous character — driven by the Pleistocene Miami Limestone and Fort Thompson Formation karst aquifer (same system as Naranja at 230.5 mg/L), with slightly lower values reflecting the north Miami-Dade draw point's position further from the coastal saltwater intrusion gradient. The Biscayne Aquifer at Miami-Dade County — Pleistocene Miami Limestone (highly calcareous — primary hardness contributor), Pleistocene Fort Thompson Formation (highly calcareous — secondary contributor), and Quaternary coastal alluvium (slightly calcareous — TDS contributor).
At 178.5 mg/L with TDS 482, Palmetto Estates' water is hard. A water softener is recommended to prevent scale buildup in appliances. A reverse osmosis system is advisable for drinking water. The PFAS level of 8.2 ppt warrants a certified drinking water filter — Homestead Air Reserve Base (Miami-Dade County — AFFF) and the south Miami-Dade industrial corridor contribute to Palmetto Estates' elevated readings.
Geology & Source: Palmetto Estates in Miami-Dade County draws from the Miami-Dade Water and Sewer Department on Biscayne Aquifer (Miami-Dade County, south Florida) — the Biscayne Aquifer at Miami-Dade County is developed in Pleistocene Miami Limestone (highly calcareous) and Pleistocene Fort Thompson Formation (highly calcareous) — Florida Miami-Dade County Biscayne Aquifer Pleistocene calcareous aquifer produces hard water at 178.5 mg/L with TDS 482.5 mg/L.