Clemmons Water Hardness & Quality Report (2026)
Water Hardness
4.4 grains per gallon
Source
reservoir
pH Level
7.4
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
122 mg/L
Est. Daily Cost
$0.20
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 Clemmons, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Clemmons | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.1 yrs | 8.5 yrs | -16% |
| Washing Machine | 10.8 yrs | 12 yrs | -10% |
| Water Heater | 12.6 yrs | 15 yrs | -16% |
Regional Water Comparison
How Clemmons compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Clemmons, North Carolina | 74.5 mg/L | 4 ppt | 🟡 Moderately Hard | reservoir |
| Lewisville, North Carolina | 155 mg/L | 8.2 ppt | 🟠 Hard | reservoir |
| Winston-Salem, North Carolina | 70 mg/L | 3.8 ppt | 🟡 Moderately Hard | reservoir |
| Lexington, North Carolina | 155 mg/L | 8.2 ppt | 🟠 Hard | reservoir |
| Kernersville, North Carolina | 88 mg/L | 4.7 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Clemmons compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Clemmons | 74.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Clemmons's Water Unique?
Local geology and source profile
Clemmons, North Carolina, in Forsyth County — an affluent Forsyth County village in the western Winston-Salem suburban corridor, a rapidly developing suburban Piedmont community adjacent to Lewisville and Winston-Salem — receives its municipal water from Forsyth County Water or the City of Winston-Salem Water Resources, which draws from Salem Lake or the Yadkin River through the Forsyth County-Winston-Salem regional water supply system.
The moderately soft 74.5 mg/L hardness and TDS of 122 mg/L reflect the Yadkin River watershed's North Carolina Piedmont crystalline geology. The Yadkin River and Salem Creek drain the North Carolina Piedmont — terrain underlain by the Forsyth Dome (Precambrian and Cambrian granitoid), the Carolina Slate Belt metavolcanic and metasedimentary terrain, and the Triassic Dan River Basin (calcareous red-bed sediment in eastern Forsyth County). The predominantly crystalline Piedmont geology produces soft to moderately soft water throughout the Winston-Salem-Forsyth County supply zone.
At 74.5 mg/L, Clemmons's water is moderately soft — comfortable for household use. Scale forms slowly over many months, soap lathers well, and appliances operate efficiently. Semi-annual descaling is adequate. The PFAS level of 4.0 ppt warrants a certified drinking water filter — the RJ Reynolds Tobacco Company (Winston-Salem — a significant industrial chemical manufacturer), the Forsyth County pharmaceutical-biotech corridor (Hanesbrands, textile manufacturing), and the Piedmont industrial legacy contribute to Clemmons's PFAS background.
Geology & Source: Clemmons in Forsyth County draws from the Forsyth County Water or Winston-Salem Water Resources treating Salem Lake or the Yadkin River — the Yadkin River drains the North Carolina Piedmont (Precambrian and Paleozoic granitoid and metavolcanic terrain) — NC Piedmont crystalline watershed drainage produces moderately soft water at 74.5 mg/L with TDS 122 mg/L in this Forsyth County North Carolina village.