Mountain Home Water Hardness & Quality Report (2026)
Water Hardness
4.3 grains per gallon
Source
river
pH Level
7.4
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
120.9 mg/L
Est. Daily Cost
$0.19
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 Mountain Home, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Mountain Home | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.2 yrs | 8.5 yrs | -15% |
| Washing Machine | 10.9 yrs | 12 yrs | -9% |
| Water Heater | 12.7 yrs | 15 yrs | -15% |
Regional Water Comparison
How Mountain Home compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Mountain Home, Arkansas | 73 mg/L | 3 ppt | 🟡 Moderately Hard | river |
| Harrison, Arkansas | 176 mg/L | 5 ppt | 🟠 Hard | river |
| Ozark, Missouri | 151 mg/L | 5 ppt | 🟠 Hard | river |
| Nixa, Missouri | 231 mg/L | 7 ppt | 🔴 Very Hard | river |
| Conway, Arkansas | 196.5 mg/L | 5.4 ppt | 🔴 Very Hard | river |
National Benchmark
How Mountain Home compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Mountain Home | 73 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Mountain Home's Water Unique?
Local geology and source profile
Mountain Home, Arkansas, in Baxter County — the Baxter County seat adjacent to Yellville on Bull Shoals Lake in north-central Arkansas — receives its water from the Mountain Home Water, drawing from Bull Shoals Lake or the White River (Baxter County) through the north-central Arkansas distribution.
The soft 73 mg/L hardness and TDS of 120.9 mg/L reflect the north-central Arkansas Baxter County Ozark Plateau supply's soft character — softer than many Ozark communities because Bull Shoals Lake provides significant dilution from the high-rainfall White River headwaters (compare Hot Springs Village AR: 107/236 in Garland County comparable; Mountain Home softer from the Bull Shoals Lake dilution). The Bull Shoals-White River at Baxter County — Ordovician Gasconade Dolomite (dolomitic — primary hardness contributor), Mississippian Boone Formation (calcareous — secondary contributor), and Quaternary White River alluvium (calcareous — minor TDS).
At 73 mg/L, Mountain Home's water is soft — scale forms very slowly in appliances, dishwashers remain efficient, and no softening is needed. Annual descaling is appropriate. The PFAS level of 3.0 ppt is low — a certified drinking water filter is advisable — the Baxter County north-central Arkansas rural industrial corridor contribute to Mountain Home's readings.
Geology & Source: Mountain Home in Baxter County draws from the Mountain Home Water on the Bull Shoals Lake or White River (Baxter County, north-central Arkansas) — the White River at Baxter County drains the Ozark Plateau (Ordovician Gasconade Dolomite — dolomitic) and Mississippian Boone Formation (calcareous) — Arkansas Baxter County Bull Shoals-White River Ordovician-Mississippian supply produces soft water at 73 mg/L with TDS 120.9 mg/L.