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Graham Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

7.3

neutral = 7.0

Lead

0.001 mg/L

✓ Below action level

TDS

100.2 mg/L

Est. Daily Cost

$0.08

energy & soap waste

Source: See methodology section below · Updated 2026

soft~0–59 mg/LSoft · est.

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 Graham, your appliances are currently losing 4% efficiency due to mineral buildup.

ApplianceIn GrahamSoft Water CityEfficiency Loss
Kettle
8.2 yrs
8.5 yrs-4%
Washing Machine
11.5 yrs
12 yrs-4%
Water Heater
14.4 yrs
15 yrs-4%

Regional Water Comparison

How Graham compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Graham, North Carolina≈ 0–59 mg/L80.1 ppt🟢 Softreservoir
Burlington, North Carolina23.4 mg/L131.7 ppt🟢 Softreservoir
Elon, North Carolina≈ 120–179 mg/L39.8 ppt🟠 Hardreservoir
Mebane, North Carolina≈ 120–179 mg/L72.9 ppt🟠 Hardreservoir
Carrboro, North Carolina≈ 120–179 mg/L9.4 ppt🟠 Hardreservoir

National Benchmark

How Graham compares to the USA average

BenchmarkHardnessAppliance Risk
Graham≈ 0–59 mg/L🟢 None
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Graham's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 100.2 mg/LpH: 7.3

The City of Graham Public Works provides water to about 18,057 residents in Alamance County, North Carolina, mainly in Graham. Their water comes from Graham-Mebane Lake, a surface reservoir at 3218 Bason Road in Mebane, NC. The water undergoes conventional filtration treatment at the city's plant, where chloramines are used for disinfection. This system consistently meets all EPA standards, with no violations noted in recent reviews. The watershed is part of the Haw River sub-basin, which flows into the Cape Fear River system.

The geology beneath the Graham-Mebane Lake basin is characterized by Triassic sedimentary basins and older Precambrian metamorphic complexes. Unlike areas rich in limestone, these formations contain few carbonate rocks. This geological makeup contributes to the water's naturally soft quality. Runoff from the region's siliceous soils and fractured bedrock carries fewer dissolved hardness minerals, meaning less calcium and magnesium make their way into the supply.

Because the water is soft, you'll notice less scale buildup on your fixtures. This can help your water heaters, dishwashers, and washing machines last longer without needing frequent descaling. Soap will lather up easily, so you might find you need less detergent. However, very soft water can sometimes feel a bit slick and may slightly corrode pipes if the pH isn't properly managed. You won't need a water softener here, as the low mineral content means you're unlikely to experience common hard water problems like spots on glassware or clogged faucet aerators. The city regularly tests its water, and all EPA contaminant levels, including lead and copper, are well within safe limits.

Geology & Source: Triassic sedimentary rocks and metamorphic complexes; limited carbonate formations yield soft water

Other North Carolina Water Reports

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Frequently Asked Questions

Is Graham's water safe to drink?
Yes. Graham's water meets all federal safety standards. The hardness is ≈ 0–59 mg/L (Soft), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Graham?
Graham's water is soft at ≈ 0–59 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.
How does Graham compare to the USA average?
The USA national average is 151 mg/L. Graham (≈ 0–59 mg/L) is 121 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Graham 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 — 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 — values may differ from utility-reported figures.

Estimated

TDS — 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 — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — 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 — 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.