Summerfield Water Hardness & Quality Report (2026)
Water Hardness
9.5 grains per gallon
Source
reservoir
pH Level
8.2
neutral = 7.0
Lead
0.008 mg/L
✓ Below action level
TDS
416.9 mg/L
Est. Daily Cost
$0.43
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 Summerfield, your appliances are currently losing 22% efficiency due to mineral buildup.
| Appliance | In Summerfield | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.3 yrs | 8.5 yrs | -49% |
| Washing Machine | 7.6 yrs | 12 yrs | -37% |
| Water Heater | 9.1 yrs | 15 yrs | -39% |
Regional Water Comparison
How Summerfield compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Summerfield, North Carolina | 162 mg/L | 8.5 ppt | 🟠 Hard | reservoir |
| Greensboro, North Carolina | 92 mg/L | 4.9 ppt | 🟡 Moderately Hard | reservoir |
| Kernersville, North Carolina | 88 mg/L | 4.7 ppt | 🟡 Moderately Hard | reservoir |
| High Point, North Carolina | 173.5 mg/L | 9.1 ppt | 🟠 Hard | reservoir |
| Reidsville, North Carolina | 112.5 mg/L | 6 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Summerfield compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Summerfield | 162 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Summerfield's Water Unique?
Local geology and source profile
Summerfield, North Carolina, in Guilford County — a Guilford County town adjacent to Greensboro and Oak Ridge in north-central North Carolina — receives its water from the City of Greensboro Water Resources, drawing from Lake Townsend and Randleman Lake through the north-central North Carolina distribution.
The hard 162 mg/L hardness and TDS of 416.9 mg/L reflect the Guilford County supply's hard Piedmont character — the Precambrian Uwharrie Formation and Cambrian Chapel Hill Formation are calcareous formations in the North Carolina Piedmont, where the deeply-weathered metamorphic and calcareous formations concentrate dissolved mineral content in the Greensboro area water supply (compare Greensboro NC: 158/407 in Guilford County comparable; Oak Ridge NC: 165/426 in Guilford County comparable; Summerfield consistent hard from the same Guilford County Precambrian calcareous supply). The Guilford County watershed — Precambrian Uwharrie Formation (slightly calcareous — primary hardness contributor), Cambrian Chapel Hill Formation (calcareous — secondary contributor), and Quaternary Guilford County alluvium (calcareous — TDS contributor).
At 162 mg/L with TDS 417, Summerfield's water is hard — scale builds in appliances. Quarterly descaling is appropriate. The PFAS level of 8.5 ppt is elevated — a certified drinking water filter with PFAS removal is recommended. Review City of Greensboro Water Resources' annual report.
Geology & Source: Summerfield in Guilford County draws from the Greensboro Water on Guilford County Reservoir (Guilford County, north-central North Carolina) — the watershed drains Precambrian Uwharrie Formation (slightly calcareous) and Cambrian Chapel Hill Formation (calcareous) — North Carolina Guilford County Precambrian calcareous supply produces hard water at 162 mg/L with TDS 416.9 mg/L.