Ojus Water Hardness & Quality Report (2026)
Water Hardness
5.5 grains per gallon
Source
groundwater
pH Level
7.5
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
217.3 mg/L
Est. Daily Cost
$0.25
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 Ojus, your appliances are currently losing 13% efficiency due to mineral buildup.
| Appliance | In Ojus | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.5 yrs | 8.5 yrs | -24% |
| Washing Machine | 10.1 yrs | 12 yrs | -16% |
| Water Heater | 11.8 yrs | 15 yrs | -21% |
Regional Water Comparison
How Ojus compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Ojus, Florida | 94 mg/L | 5.5 ppt | 🟡 Moderately Hard | groundwater |
| Aventura, Florida | 120.5 mg/L | 6.4 ppt | 🟠 Hard | groundwater |
| North Miami Beach, Florida | 296 mg/L | 11.9 ppt | 🔴 Very Hard | groundwater |
| Sunny Isles Beach, Florida | 77.5 mg/L | 5 ppt | 🟡 Moderately Hard | groundwater |
| Ives Estates, Florida | 177.5 mg/L | 8.2 ppt | 🟠 Hard | groundwater |
National Benchmark
How Ojus compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Ojus | 94 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Ojus's Water Unique?
Local geology and source profile
Ojus, Florida, in Miami-Dade County — an unincorporated Miami-Dade County community adjacent to North Miami Beach and Aventura in the northeast Miami-Dade corridor — receives its municipal water from Miami-Dade Water and Sewer (WASD), drawing from the Biscayne Aquifer at the north Miami-Dade wellfields.
The moderately hard 94 mg/L hardness and TDS of 217.3 mg/L are significantly softer than the south Miami-Dade Cutler reading (219 mg/L, TDS 632) — reflecting the north Miami-Dade Biscayne Aquifer's somewhat different carbonate character and shallower aquifer depth. The north Miami-Dade Biscayne Aquifer is developed primarily in the Pleistocene Miami Limestone (surficial oolitic carbonate) and the Pleistocene Fort Thompson Formation (shallow carbonate) — less deeply mineralized than the south Miami-Dade aquifer.
At 94 mg/L, Ojus' water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 5.5 ppt warrants a certified drinking water filter — Opa-locka Airport (Miami-Dade County — AFFF in the Biscayne Aquifer recharge zone), Homestead Air Reserve Base (AFFF in south Miami-Dade), and the Miami-Dade industrial PFAS legacy contribute to Ojus' readings.
Geology & Source: Ojus in Miami-Dade County draws from Miami-Dade Water and Sewer on the Biscayne Aquifer (north Miami-Dade County) — the Biscayne Aquifer overlies the Pleistocene Miami Limestone and Eocene Ocala Limestone carbonate platform — Florida north Miami-Dade Pleistocene-Eocene carbonate aquifer produces moderately hard water at 94 mg/L with TDS 217.3 mg/L in this Miami-Dade County Florida community.