How does South Hill's water compare to the national average?

The USA national average is 151 mg/L. South Hill (46 mg/L) is 105 mg/L softer than average.

South Hill Water Hardness & Quality Report (2026)

Water Hardness

46mg/L

Soft

2.7 grains per gallon

Source

reservoir

pH Level

7.4

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

95.6 mg/L

Est. Daily Cost

$0.12

energy & soap waste

Source: See methodology section below · Updated 2026

46mg/L as CaCO₃Soft

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 South Hill, your appliances are currently losing 6% efficiency due to mineral buildup.

Appliance	In South Hill	Soft Water City	Efficiency Loss
Kettle	8 yrs	8.5 yrs	-6%
Washing Machine	11.3 yrs	12 yrs	-6%
Water Heater	14.1 yrs	15 yrs	-6%

Regional Water Comparison

How South Hill compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ South Hill, Washington	46 mg/L	2.3 ppt	🟢 Soft	reservoir
Puyallup, Washington	89 mg/L	8.7 ppt	🟡 Moderately Hard	reservoir
Bonney Lake, Washington	≈ 120–179 mg/L	1.9 ppt	🟠 Hard	reservoir
Graham, Washington	≈ 0–60 mg/L	2.2 ppt	🟢 Soft	groundwater
Frederickson, Washington	≈ 0–60 mg/L	1.5 ppt	🟢 Soft	reservoir

National Benchmark

How South Hill compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ South Hill	46 mg/L	🟢 None
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes South Hill's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 95.6 mg/LpH: 7.4

The Town of South Hill, Virginia provides drinking water to its service area in Mecklenburg County through a public water system managed by the Public Works Department. Water is sourced entirely from groundwater, including deep wells and local aquifers. The system operates under Virginia Department of Health and EPA regulations, with treatment processes designed to meet or exceed all applicable federal and state standards.

South Hill's water supply originates from groundwater aquifers in the Piedmont region, composed of metamorphic and granitic bedrock formations typical of central Virginia. These mineral-bearing formations interact with percolating groundwater, influencing water chemistry through natural dissolution processes. The Virginia Piedmont geology generally produces moderately mineralised water, though specific aquifer characteristics and mineral composition are best confirmed through Virginia Department of Environmental Quality records.

According to the 2024 Consumer Confidence Report, the Town of South Hill recorded no Maximum Contaminant Level (MCL) violations during 2024, confirming successful treatment and distribution of safe drinking water. The utility's monitoring program covers bacteria, chemical contaminants, and other regulated substances. Residents are encouraged to remain attentive to lead service line status, as the utility continues efforts to identify and replace lead pipes within the distribution system. Those with specific water quality concerns can contact the Public Works Department or consult the annual Consumer Confidence Report for detailed testing data.

Geology & Source: Virginia Piedmont metamorphic and granitic bedrock — mineral interactions with deep groundwater aquifers in Mecklenburg County produce moderately mineralised water; specific aquifer formations documented by Virginia Department of Environmental

Other Washington Water Reports

Puyallup

89 mg/L

🟡 Moderately Hard

Bonney Lake

≈ 120–179 mg/L

🟠 Hard

Graham

≈ 0–60 mg/L

🟢 Soft

Frederickson

≈ 0–60 mg/L

🟢 Soft

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is South Hill's water safe to drink?

Yes. South Hill's water meets all federal safety standards. The hardness is 46 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 South Hill?

South Hill's water is soft at 46 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.

How does South Hill compare to the USA average?

The USA national average is 151 mg/L. South Hill (46 mg/L) is 105 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 South Hill 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

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.