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

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

Cicero Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

river

pH Level

8.3

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

467.2 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 Cicero, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Cicero	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 Cicero compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Cicero, Illinois	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
North Lawndale, Illinois	≈ 120–179 mg/L	8.5 ppt	🟠 Hard	river
Berwyn, Illinois	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
South Lawndale, Illinois	≈ 120–179 mg/L	9.1 ppt	🟠 Hard	river
West Garfield Park, Illinois	≈ 120–179 mg/L	6.4 ppt	🟠 Hard	river

National Benchmark

How Cicero compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Cicero	≈ 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 Cicero's Water Unique?

Local geology and source profile

Source: RiverTDS: 467.2 mg/LpH: 8.3

Cicero, Illinois is served by the Chicago Department of Water Management, which supplies water via purchase agreements. The source is Lake Michigan, drawn through intake cribs at depths of 20–30 feet near the Chicago shoreline in Cook County. Treatment occurs at the Jardine Water Purification Plant and the South Water Purification Plant, serving approximately 5.5 million people across the Chicago metropolitan area, including suburbs like Cicero in Cook County.

The Lake Michigan watershed overlies Paleozoic sedimentary bedrock, including Devonian-era limestones and dolomites, with the lake floor blanketed by glacial till and lakebed clays from Pleistocene glaciations. Deep aquifer interaction is minimal due to glacial scouring and Pleistocene sediment deposition. Minerals enter the supply primarily through basin drainage and shoreline erosion, imparting a hard character from dissolved calcium and magnesium rather than extensive karst dissolution.

Hard water in Cicero promotes scale buildup in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and increasing energy costs. Fixtures develop white deposits and soap lathering is diminished. Regular vinegar descaling and periodic flush cycles help manage buildup; a water softener is recommended to extend appliance life. Water quality meets EPA standards overall, though 5 violations since 2023 include 1 health-based violation for lead at 0.00854 mg/L. Treatment includes screening, coagulation, flocculation, sand/gravel filtration, and final chlorination.

Geology & Source: Lake Michigan watershed; Paleozoic Devonian limestones and dolomites underlie basin — minimal aquifer interaction due to Pleistocene glacial scouring; calcium and magnesium from shoreline runoff produce moderate hardness

Other Illinois Water Reports

North Lawndale

≈ 120–179 mg/L

🟠 Hard

Berwyn

≈ 120–179 mg/L

🟠 Hard

South Lawndale

≈ 120–179 mg/L

🟠 Hard

West Garfield Park

≈ 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 Cicero's water safe to drink?

Yes. Cicero'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 Cicero?

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

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