How does Villa Park's water compare to the national average?

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

Villa Park Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

river

pH Level

8.5

neutral = 7.0

Lead

0.009 mg/L

✓ Below action level

TDS

762.7 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 Villa Park, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Villa Park	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 Villa Park compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Villa Park, Illinois	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Lombard, Illinois	≈ 180+ mg/L	0 ppt	🔴 Very Hard	river
Addison, Illinois	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Elmhurst, Illinois	≈ 120–179 mg/L	6.3 ppt	🟠 Hard	river
Wood Dale, Illinois	≈ 180+ mg/L	0 ppt	🔴 Very Hard	river

National Benchmark

How Villa Park compares to the USA average

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

Local geology and source profile

Source: RiverTDS: 762.7 mg/LpH: 8.5

Villa Park is served by the Village of Villa Park Public Works Department, operating a municipal water utility in DuPage County, Illinois, drawing from both groundwater and surface water sources typical of the Chicago region. Water quality reports and consumer information are available through the Village's official website; the Public Works Department is located at 11 West Home Avenue, Villa Park, IL. The utility applies standard treatment — including clarification and chlorination — before distributing water to residents.

The water supply originates from the Cambrian-Ordovician aquifer system and surface water sources common to northeastern Illinois. The region's bedrock is dominated by Ordovician dolomite and limestone, overlain by Pleistocene glacial deposits from the last ice age. These carbonate-rich formations naturally dissolve calcium and magnesium minerals into groundwater as it percolates through soil and rock, creating a moderately mineralised, moderately hard supply characteristic of the Chicago metropolitan area.

Villa Park's water is classified as moderately hard, so residents may notice scale buildup in kettles, coffee makers, and hot water heaters over time. Washing machines and dishwashers may require slightly higher detergent doses for optimal cleaning. Installing point-of-use filters or a whole-home softener can reduce scale formation and improve appliance longevity, though treatment is not essential at this hardness level. Recent water quality data reports 2 contaminants above EPA health-based guidelines (MCLGs), though the supply meets all federal legal limits; residents, particularly vulnerable populations, are advised to consult the annual Consumer Confidence Report for full details.

Geology & Source: Cambrian-Ordovician aquifer complex, northeastern Illinois — Ordovician dolomite and limestone bedrock overlain by Pleistocene glacial deposits; carbonate dissolution introduces calcium and magnesium, producing moderately hard water

Other Illinois Water Reports

Lombard

≈ 180+ mg/L

🔴 Very Hard

Addison

≈ 120–179 mg/L

🟠 Hard

Elmhurst

≈ 120–179 mg/L

🟠 Hard

Wood Dale

≈ 180+ mg/L

🔴 Very 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 Villa Park's water safe to drink?

Yes. Villa Park'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 Villa Park?

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

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