Montgomery Water Hardness & Quality Report (2026)
Water Hardness
9.9 grains per gallon
Source
river
pH Level
8
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
340.9 mg/L
Est. Daily Cost
$0.45
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 Montgomery, your appliances are currently losing 23% efficiency due to mineral buildup.
| Appliance | In Montgomery | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4 yrs | 8.5 yrs | -53% |
| Washing Machine | 7.3 yrs | 12 yrs | -39% |
| Water Heater | 8.8 yrs | 15 yrs | -41% |
Regional Water Comparison
How Montgomery compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Montgomery, Ohio | 169 mg/L | 6.6 ppt | 🟠 Hard | river |
| Blue Ash, Ohio | 234.5 mg/L | 9.2 ppt | 🔴 Very Hard | river |
| Sharonville, Ohio | 214.5 mg/L | 8.4 ppt | 🔴 Very Hard | river |
| Reading, Ohio | 234 mg/L | 9.2 ppt | 🔴 Very Hard | river |
| Loveland, Ohio | 238.5 mg/L | 9.4 ppt | 🔴 Very Hard | river |
National Benchmark
How Montgomery compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Montgomery | 169 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Montgomery's Water Unique?
Local geology and source profile
Montgomery, Ohio, in Hamilton County — a Hamilton County city adjacent to Blue Ash and Symmes Township in the north Cincinnati suburbs — receives its water from the Greater Cincinnati Water Works, drawing from the Ohio River through the southwest Ohio distribution.
The hard 169 mg/L hardness and TDS of 340.9 mg/L reflect the Hamilton County supply's hard calcareous character — the Ordovician Cincinnatian Limestone and Silurian Clinton Formation are highly calcareous formations in the Cincinnati Arch; Montgomery receives treated Ohio River supply at moderately lower hardness than the Hamilton County average due to the north Cincinnati distribution zone's blending patterns (compare Blue Ash OH: 165/331 in Hamilton County comparable; Symmes Township OH: 173/350 in Hamilton County comparable; Montgomery consistent hard from the same Hamilton County Ohio River Ordovician calcareous supply). The Ohio River at Hamilton County — Ordovician Cincinnatian Limestone (highly calcareous — primary hardness contributor), Silurian Clinton Formation (calcareous — secondary contributor), and Quaternary Ohio River alluvium (calcareous — TDS contributor).
At 169 mg/L with TDS 341, Montgomery's water is hard — scale builds in appliances. Quarterly descaling is appropriate. The PFAS level of 6.6 ppt warrants a certified drinking water filter. Review Greater Cincinnati Water Works' annual water quality report.
Geology & Source: Montgomery in Hamilton County draws from the Greater Cincinnati Water Works on the Ohio River (Hamilton County, southwest Ohio) — the Ohio River at Hamilton County draws from Ordovician Cincinnatian Limestone (highly calcareous) and Silurian Clinton Formation (calcareous) — Ohio Hamilton County Ohio River Ordovician calcareous supply produces hard water at 169 mg/L with TDS 340.9 mg/L.