White Oak Water Hardness & Quality Report (2026)
Water Hardness
7.5 grains per gallon
Source
river
pH Level
7.7
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
218.9 mg/L
Est. Daily Cost
$0.34
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 White Oak, your appliances are currently losing 17% efficiency due to mineral buildup.
| Appliance | In White Oak | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.4 yrs | 8.5 yrs | -36% |
| Washing Machine | 8.9 yrs | 12 yrs | -26% |
| Water Heater | 10.5 yrs | 15 yrs | -30% |
Regional Water Comparison
How White Oak compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ White Oak, Ohio | 128 mg/L | 4.9 ppt | 🟠 Hard | river |
| Bridgetown, Ohio | 254 mg/L | 10 ppt | 🔴 Very Hard | river |
| Finneytown, Ohio | 217.5 mg/L | 8.5 ppt | 🔴 Very Hard | river |
| Cincinnati, Ohio | 196.5 mg/L | 7.7 ppt | 🔴 Very Hard | river |
| Forest Park, Ohio | 243.5 mg/L | 9.6 ppt | 🔴 Very Hard | river |
National Benchmark
How White Oak compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ White Oak | 128 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your White Oak home
Shop water softeners on Amazon.com →
What Makes White Oak's Water Unique?
Local geology and source profile
White Oak, Ohio, in Hamilton County — an unincorporated Hamilton County community adjacent to Cincinnati and Colerain Township, in the northwest Hamilton County suburban corridor west of Cincinnati — receives its municipal water from the Greater Cincinnati Water Works (GCWW), drawing from the Ohio River at the Richard Miller Water Treatment Plant serving Hamilton County and the greater Cincinnati area.
The moderately hard 128 mg/L hardness and TDS of 218.9 mg/L reflect the Ohio River at Cincinnati's Cincinnati Arch carbonate character. The Ohio River at Cincinnati drains through the Cincinnati Arch — a broad structural uplift that exposes the Ordovician Cincinnati Group limestone and shale (the Cincinnatian Series — among the most fossil-rich Ordovician limestone sequences in North America), the Devonian Ohio Shale, and the Pennsylvanian coal measures. The Ordovician carbonate units contribute the primary hardness to the Cincinnati water supply, producing the moderately hard water typical of the Greater Cincinnati Water Works.
At 128 mg/L, White Oak's 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 4.9 ppt warrants a certified drinking water filter — the Cincinnati industrial-chemical corridor (Hamilton County — significant chemical and aerospace manufacturing legacy), the Wright-Patterson Air Force Base (Montgomery County, upstream Ohio River tributary), and the Ohio River PFAS industrial corridor contribute to White Oak's readings.
Geology & Source: White Oak in Hamilton County draws from the Greater Cincinnati Water Works on the Ohio River (Richard Miller Water Treatment Plant, Hamilton County) — the Ohio River at Cincinnati drains the Appalachian Plateau (Ordovician Cincinnati Arch limestone, Devonian Ohio Shale, Pennsylvanian coal measures) — Ohio River Ordovician-Devonian carbonate drainage at the Cincinnati Arch produces moderately hard water at 128 mg/L with TDS 219 mg/L in this Hamilton County Ohio suburb.