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Clarksburg Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

river

pH Level

7.5

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

219 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · 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 Clarksburg, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn ClarksburgSoft Water CityEfficiency Loss
Kettle
6.8 yrs
8.5 yrs-20%
Washing Machine
9.6 yrs
12 yrs-20%
Water Heater
12 yrs
15 yrs-20%

Regional Water Comparison

How Clarksburg compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Clarksburg, West Virginia≈ 120–179 mg/L0 ppt🟠 Hardriver
Fairmont, West Virginia≈ 120–179 mg/L0 ppt🟠 Hardriver
Morgantown, West Virginia≈ 120–179 mg/L0 ppt🟠 Hardriver
Wheeling, West Virginia≈ 120–179 mg/L13.5 ppt🟠 Hardriver
Washington, Pennsylvania≈ 120–179 mg/L7.9 ppt🟠 Hardgroundwater

National Benchmark

How Clarksburg compares to the USA average

BenchmarkHardnessAppliance Risk
Clarksburg≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Clarksburg's Water Unique?

Local geology and source profile

Source: RiverTDS: 219 mg/LpH: 7.5

The Clarksburg Water Board supplies residents of Clarksburg and surrounding areas in Harrison County, West Virginia. Their sole source of raw water is the West Fork River, a significant tributary within the Upper Ohio River watershed. This surface water undergoes treatment at the South Chestnut Street Water Treatment Plant, located at 1001 South Chestnut Street, Clarksburg, WV 26301. The utility, reachable at (304) 623-3711, is committed to delivering safe drinking water that meets all Safe Drinking Water Act standards for its service area.

The West Fork River watershed is underlain by folded and faulted Paleozoic sedimentary rocks, including Pennsylvanian strata like the Pottsville and Kanawha Formations, as well as underlying Mississippian limestones. These geological layers, particularly the carbonate-rich limestones, are the source of dissolved calcium and magnesium ions. Natural dissolution processes as the river flows over these ancient bedrock formations impart a moderately mineralized character to the water, typical for Appalachian river systems.

Homeowners in Clarksburg may notice moderate scale buildup in appliances such as water heaters, dishwashers, and coffee makers, which can reduce efficiency and lead to higher energy costs over time. Laundry might feel stiffer, and achieving a good lather with soaps requires more product. To combat these effects and extend the lifespan of household appliances, annual descaling of fixtures and heaters is advisable. For those experiencing persistent issues, installing a water softener is often recommended to improve cleaning performance and appliance longevity. The Clarksburg Water Board publishes an annual Consumer Confidence Report detailing their water quality and compliance with EPA standards.

Geology & Source: Appalachian sedimentary rocks; Pennsylvanian sandstones, shales, and Mississippian limestones contribute moderate hardness

Other West Virginia Water Reports

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Frequently Asked Questions

Is Clarksburg's water safe to drink?
Yes. Clarksburg's water meets all federal safety standards. The hardness is ≈ 120–179 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 Clarksburg?
At ≈ 120–179 mg/L (Hard), Clarksburg'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 20%.
How does Clarksburg compare to the USA average?
The USA national average is 151 mg/L. Clarksburg (≈ 120–179 mg/L) is 1 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 Clarksburg 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.