The Crossings Water Hardness & Quality Report (2026)
Water Hardness
8.7 grains per gallon
Source
groundwater
pH Level
7.9
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
382.2 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 Crossings, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In The Crossings | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.7 yrs | 8.5 yrs | -45% |
| Washing Machine | 8.1 yrs | 12 yrs | -33% |
| Water Heater | 9.6 yrs | 15 yrs | -36% |
Regional Water Comparison
How The Crossings compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ The Crossings, Florida | 149 mg/L | 7.2 ppt | 🟠 Hard | groundwater |
| Three Lakes, Florida | 169.5 mg/L | 7.9 ppt | 🟠 Hard | groundwater |
| Kendale Lakes, Florida | 259 mg/L | 10.7 ppt | 🔴 Very Hard | groundwater |
| The Hammocks, Florida | 151.5 mg/L | 7.3 ppt | 🟠 Hard | groundwater |
| Country Walk, Florida | 168.5 mg/L | 7.9 ppt | 🟠 Hard | groundwater |
National Benchmark
How The Crossings compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ The Crossings | 149 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 Crossings's Water Unique?
Local geology and source profile
The Crossings, Florida, in Miami-Dade County in the southwestern Miami-Dade corridor near Palmetto Bay and the Florida Turnpike — an unincorporated master-planned community in south Miami-Dade County's suburban residential landscape — receives its municipal water from the Miami-Dade Water and Sewer Department (WASD), one of the nation's largest water utilities, which draws exclusively from the Biscayne Aquifer — the sole-source aquifer designated by the EPA as the primary drinking water supply for all of Miami-Dade, Broward, and Palm Beach counties.
The moderately hard 149 mg/L hardness and TDS of 382.2 mg/L reflect the Biscayne Aquifer's shallow carbonate character. The Biscayne Aquifer consists of highly porous Pleistocene Miami Oolite limestone (the Key Largo and Miami limestone formations) and the underlying Fort Thompson Formation (a complex of freshwater and brackish Pleistocene calcareous deposits) — all marine carbonate rocks deposited in the shallow tropical Pleistocene seas that covered South Florida. The aquifer is recharged by southward-flowing Everglades sheet water and seasonal rainfall, and despite its excellent natural filtration capacity, the shallow carbonate limestone consistently produces moderately hard finished water throughout the Miami-Dade WASD service area.
At 149 mg/L, The Crossings' water is moderately hard — consistent with the Miami-Dade Biscayne Aquifer supply profile. 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 — South Florida's legacy of military bases (Homestead AFB), international airport operations (Miami International), and the dense industrial park network in the western Miami-Dade corridor contribute to PFAS loading in the Everglades recharge zone.
Geology & Source: The Crossings in Miami-Dade County draws from the Miami-Dade Water and Sewer Department tapping the Biscayne Aquifer — the Biscayne Aquifer is a highly porous Pleistocene Miami Oolite limestone and Fort Thompson Formation system recharged by Everglades sheet flow — shallow carbonate aquifer circulation through the Pleistocene Miami limestone produces moderately hard water at 149 mg/L with TDS 382 mg/L in this South Miami-Dade community.