Hendersonville Water Hardness & Quality Report (2026)
Water Hardness
8.9 grains per gallon
Source
reservoir
pH Level
8.1
neutral = 7.0
Lead
0.008 mg/L
✓ Below action level
TDS
380 mg/L
Est. Daily Cost
$0.41
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 Hendersonville, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Hendersonville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.6 yrs | 8.5 yrs | -46% |
| Washing Machine | 8 yrs | 12 yrs | -33% |
| Water Heater | 9.5 yrs | 15 yrs | -37% |
Regional Water Comparison
How Hendersonville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Hendersonville, North Carolina | 152.5 mg/L | 8.1 ppt | 🟠 Hard | reservoir |
| Asheville, North Carolina | 63.5 mg/L | 3.6 ppt | 🟡 Moderately Hard | reservoir |
| Taylors, South Carolina | 89 mg/L | 5 ppt | 🟡 Moderately Hard | reservoir |
| Berea, South Carolina | 115 mg/L | 6.4 ppt | 🟡 Moderately Hard | reservoir |
| Wade Hampton, South Carolina | 149 mg/L | 8.3 ppt | 🟠 Hard | reservoir |
National Benchmark
How Hendersonville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Hendersonville | 152.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Hendersonville's Water Unique?
Local geology and source profile
Hendersonville, North Carolina, in Henderson County — the Henderson County seat adjacent to Brevard and Fletcher in the southwest North Carolina Blue Ridge mountains — receives its water from the Hendersonville Water System, drawing from the Mills River or North Fork Reservoir (Henderson County) through the southwest North Carolina distribution.
The moderately hard 152.5 mg/L hardness and TDS of 380 mg/L are much harder than expected from a Blue Ridge granite watershed (compare Gantt SC: 58 mg/L) — reflecting the Hendersonville supply's accumulation of calcareous input from the Henderson County position where the French Broad River basin's Cambrian calcareous formations contribute significantly more mineral dissolution. The Henderson County watershed drains the Blue Ridge Mountains — Precambrian Grenville Gneiss (insoluble — dilutant), Cambrian Elbrook Limestone (calcareous — primary hardness contributor), and Quaternary alluvial deposits (slightly calcareous — secondary contributor).
At 152.5 mg/L, Hendersonville'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 8.1 ppt warrants a certified drinking water filter — the Henderson County southwest North Carolina industrial corridor and the French Broad River basin PFAS legacy contribute to Hendersonville's elevated readings.
Geology & Source: Hendersonville in Henderson County draws from the Hendersonville Water System on the Mills River or North Fork Reservoir (Henderson County, southwest North Carolina) — the watershed drains the Blue Ridge Mountains (Precambrian Grenville Gneiss — insoluble) with minor Cambrian calcareous formations — North Carolina Henderson County Blue Ridge Precambrian gneiss reservoir produces moderately hard water at 152.5 mg/L with TDS 380 mg/L.