South Park Township Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

305.1 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 South Park Township, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In South Park Township	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 South Park Township compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ South Park Township, Pennsylvania	≈ 120–179 mg/L	7.7 ppt	🟠 Hard	reservoir
Baldwin, Pennsylvania	≈ 120–179 mg/L	6.7 ppt	🟠 Hard	reservoir
Bethel Park, Pennsylvania	≈ 120–179 mg/L	10.2 ppt	🟠 Hard	groundwater
Jefferson Hills, Pennsylvania	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Whitehall, Pennsylvania	≈ 120–179 mg/L	125.6 ppt	🟠 Hard	groundwater

National Benchmark

How South Park Township compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ South Park Township	≈ 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 South Park Township's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 305.1 mg/LpH: 8

Pennsylvania American Water supplies South Park Township with water drawn from the Allegheny River. This vital surface water source is processed at facilities including the Aspinwall Treatment Plant and the Pittsburgh Regional Water Treatment Plant. Serving more than 700,000 customers across southern Allegheny County suburbs like South Park and Bethel Park, the utility relies on an extensive network to deliver water from the upper Allegheny River basin.

The region's geology, situated in the Appalachian Plateau, features Pennsylvanian sandstones, shales, and coal measures from the Allegheny and Conemaugh Groups. Underlying these are Mississippian Pocono Formation sandstones. Mineral content is further boosted by limestone lenses within these sedimentary layers. As water flows through this terrain, it dissolves calcium and magnesium, leading to a moderately hard supply typical of river systems in this area.

At its moderately hard levels, the water can lead to scale buildup in pipes, water heaters, and dishwashers, potentially shortening appliance lifespans and reducing efficiency. You might notice faucet aerators and showerheads clogging more frequently. To combat this, homeowners often use vinegar for descaling or consider installing scale-inhibiting filters. A whole-house water softener is a popular choice for households aiming to prevent spotting on dishes and improve skin and hair feel. While not essential for health, softening can extend the life of your appliances.

Geology & Source: Allegheny-Monongahela River watershed; Pennsylvanian sandstone, shale, coal measures, Mississippian Pocono Formation; limestone lenses; calcium and magnesium leached from sedimentary rocks cause moderate hardness

Other Pennsylvania Water Reports

Baldwin

≈ 120–179 mg/L

🟠 Hard

Bethel Park

≈ 120–179 mg/L

🟠 Hard

Jefferson Hills

≈ 120–179 mg/L

🟠 Hard

Whitehall

≈ 120–179 mg/L

🟠 Hard

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 Park Township's water safe to drink?

Yes. South Park Township'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 South Park Township?

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

The USA national average is 151 mg/L. South Park Township (≈ 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 South Park Township 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.