How does Wilkinsburg's water compare to the national average?

The USA national average is 151 mg/L. Wilkinsburg (≈ 120–179 mg/L) is 1 mg/L softer than average.

Wilkinsburg Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.5

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

141.5 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 Wilkinsburg, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Wilkinsburg	Soft Water City	Efficiency 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 Wilkinsburg compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Wilkinsburg, Pennsylvania	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Munhall, Pennsylvania	≈ 120–179 mg/L	8.3 ppt	🟠 Hard	reservoir
Penn Hills, Pennsylvania	≈ 120–179 mg/L	8.5 ppt	🟠 Hard	reservoir
West Mifflin, Pennsylvania	≈ 120–179 mg/L	9.9 ppt	🟠 Hard	reservoir
North Versailles, Pennsylvania	≈ 120–179 mg/L	11.2 ppt	🟠 Hard	reservoir

National Benchmark

How Wilkinsburg compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Wilkinsburg	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Wilkinsburg's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 141.5 mg/LpH: 7.5

The Wilkinsburg-Penn Joint Water Authority (WPJWA) supplies drinking water to over 120,000 residents in Wilkinsburg and nearby communities within Allegheny County, Pennsylvania. Their water originates directly from the Allegheny River, with intake located near Pittsburgh. This surface water is then processed at treatment facilities, notably the Aspinwall Treatment Plant, before distribution. The utility does not rely on a specific reservoir or groundwater aquifer for its supply.

The Allegheny River watershed, situated within the Appalachian Plateau, is geologically characterized by Paleozoic sedimentary rocks. These include significant deposits of sandstones and limestones, such as those found in the Pocono Formation and the Catskill Group. As water flows through this terrain, it naturally dissolves minerals, particularly calcium and magnesium, from these rock types. This geological makeup is the primary reason for the consistently hard nature of the WPJWA's water supply.

Homeowners may notice scale buildup in appliances like coffee makers, dishwashers, and water heaters, which can decrease their efficiency and shorten their lifespan. You might also find that laundry doesn't feel as clean, and faucets and showerheads can become clogged over time. To combat these effects, regularly descaling with vinegar, using scale filters, or considering a whole-house water softener are effective strategies for managing very hard water conditions and reducing spotting.

Geology & Source: Allegheny River watershed; Devonian sandstones, shales, and limestones like the Pocono Formation and Catskill Group release calcium and magnesium, producing a hard supply.

Other Pennsylvania Water Reports

Munhall

≈ 120–179 mg/L

🟠 Hard

Penn Hills

≈ 120–179 mg/L

🟠 Hard

West Mifflin

≈ 120–179 mg/L

🟠 Hard

North Versailles

≈ 120–179 mg/L

🟠 Hard

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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 Wilkinsburg's water safe to drink?

Yes. Wilkinsburg'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 Wilkinsburg?

At ≈ 120–179 mg/L (Hard), Wilkinsburg'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 Wilkinsburg compare to the USA average?

The USA national average is 151 mg/L. Wilkinsburg (≈ 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 Wilkinsburg 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.