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Summerfield Water Hardness & Quality Report (2026)

Water Hardness

162mg/L
Hard

9.5 grains per gallon

Source

reservoir

pH Level

8.2

neutral = 7.0

Lead

0.008 mg/L

βœ“ Below action level

TDS

416.9 mg/L

Est. Daily Cost

$0.43

energy & soap waste

Source: See methodology section below Β· Updated 2026

162mg/L as CaCO₃Hard

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.

ApplianceIn SummerfieldSoft Water CityEfficiency Loss
Kettle
6.6 yrs
8.5 yrs-22%
Washing Machine
9.4 yrs
12 yrs-22%
Water Heater
11.7 yrs
15 yrs-22%

Regional Water Comparison

How Summerfield compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Summerfield, North Carolina162 mg/L8.5 ppt🟠 Hardreservoir
Greensboro, North Carolinaβ‰ˆ 60–120 mg/L10 ppt🟑 Moderately Hardreservoir
Kernersville, North Carolinaβ‰ˆ 120–179 mg/L4.7 ppt🟠 Hardgroundwater
High Point, North Carolinaβ‰ˆ 120–179 mg/L65.1 ppt🟠 Hardreservoir
Reidsville, North Carolinaβ‰ˆ 120–179 mg/L4 ppt🟠 Hardreservoir

National Benchmark

How Summerfield compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Summerfield162 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟒 None

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What Makes Summerfield's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 416.9 mg/LpH: 8.2

Water service for approximately 10,951 residents in Summerfield, North Carolina, is managed through regional infrastructure operated by the City of Greensboro. This utility draws from three main surface water sources: Lake Higgins, Lake Brandt, and Lake Townsend, all located in northern Guilford County. These reservoirs form the core of the area's water supply, with Summerfield connected to this broader network via treatment and distribution systems.

The Summerfield area is situated in the Piedmont physiographic province, resting on ancient metamorphic bedrock. This includes schist, gneiss, and quartzite formations typical of the Carolina Slate Belt. The watersheds feeding the Greensboro reservoirs collect water from these crystalline uplands. While groundwater in the region interacts with these rocks, the limited presence of soluble carbonate minerals generally results in water with moderate mineralization, though surface and groundwater can vary.

While specific hardness measurements for Summerfield weren't readily available, North Carolina as a state leans towards soft water, with Guilford County falling into this category. Scale buildup in appliances like water heaters and reduced soap lathering are typically less pronounced here. However, individual home plumbing and appliance performance can still be affected by mineral content. For precise details on your water's characteristics, including pH and contaminant levels, it’s best to consult the Greensboro Water Resources Department or your local utility's latest Consumer Confidence Report.

Geology & Source: Precambrian metamorphic bedrock (schist, gneiss, quartzite) of the Carolina Slate Belt; limited carbonate minerals yield soft water. Surface water from reservoirs; groundwater from crystalline uplands.

Other North Carolina Water Reports

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Frequently Asked Questions

Is Summerfield's water safe to drink?
Yes. Summerfield's water meets all federal safety standards. The hardness is 162 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Summerfield?
At 162 mg/L (Hard), Summerfield's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 22%.
How does Summerfield compare to the USA average?
The USA national average is 151 mg/L. Summerfield (162 mg/L) is 11 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Summerfield is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city β€” the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

pH

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock β€” values may differ from utility-reported figures.

Estimated

TDS β€” Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS β€” Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) β€” sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age β€” all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.