The Hammocks Water Hardness & Quality Report (2026)
Water Hardness
8.9 grains per gallon
Source
groundwater
pH Level
7.9
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
390.4 mg/L
Est. Daily Cost
$0.40
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 The Hammocks, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In The Hammocks | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.6 yrs | 8.5 yrs | -46% |
| Washing Machine | 8 yrs | 12 yrs | -33% |
| Water Heater | 9.5 yrs | 15 yrs | -37% |
Regional Water Comparison
How The Hammocks compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ The Hammocks, Florida | 151.5 mg/L | 7.3 ppt | 🟠 Hard | groundwater |
| Kendall West, Florida | 328.5 mg/L | 12.9 ppt | 🔴 Very Hard | groundwater |
| Country Walk, Florida | 168.5 mg/L | 7.9 ppt | 🟠 Hard | groundwater |
| The Crossings, Florida | 149 mg/L | 7.2 ppt | 🟠 Hard | groundwater |
| Kendale Lakes, Florida | 259 mg/L | 10.7 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How The Hammocks compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ The Hammocks | 151.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes The Hammocks's Water Unique?
Local geology and source profile
The Hammocks, Florida, an unincorporated planned community in southwest Miami-Dade County — a large master-planned suburban community in the Kendall–Cutler Bay corridor with a major Latino population, known for its lake and canal-dotted residential neighborhoods planned around southwest Miami-Dade's drainage canal system — draws its municipal water supply from the Biscayne Aquifer via the Miami-Dade Water and Sewer Department (WASD), applying reverse osmosis (RO) membrane treatment blended with conventionally treated supply. Water hardness in The Hammocks measures 151.5 mg/L — classified as moderately hard.
The Hammocks' moderately hard supply — softer than neighboring Kendale Lakes (259 mg/L) but harder than Tamiami (114 mg/L) in the same southwest Miami-Dade distribution corridor — reflects the southwest Miami-Dade distribution zone's RO blend fraction at The Hammocks' distribution boundary. The raw Biscayne Aquifer (Miami Limestone and Fort Thompson Formation — Pleistocene calcareous oolitic limestone) carries 350–450+ mg/L raw hardness. Miami-Dade WASD's southwest treatment plants apply a moderate-to-significant RO blend in The Hammocks distribution zone, producing the moderate 151.5 mg/L — a middle range between the highest and lowest hardness zones in the southwest Miami-Dade system.
At 151.5 mg/L, The Hammocks residents face regular hard water challenges. Scale deposits form on faucet aerators, showerheads, and appliances within weeks — monthly descaling with citric acid solution is standard maintenance. Miami-Dade WASD consistently delivers water meeting all Florida DEP and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Biscayne Aquifer treated with reverse osmosis (RO) blending via the Miami-Dade Water and Sewer Department (WASD) — the southwest Miami-Dade The Hammocks–Kendale area Biscayne Aquifer Miami Limestone and Fort Thompson Formation (Pleistocene); moderately hard supply at 151.5 mg/L — reflecting a significant RO blend in the southwest Miami-Dade The Hammocks distribution zone.