North Lawndale 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

0.007 mg/L

✓ Below action level

TDS

588.2 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 North Lawndale, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In North Lawndale	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 North Lawndale compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ North Lawndale, Illinois	≈ 120–179 mg/L	8.5 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
East Garfield Park, Illinois	≈ 120–179 mg/L	7.2 ppt	🟠 Hard	river
Cicero, Illinois	≈ 120–179 mg/L	0 ppt	🟠 Hard	river

National Benchmark

How North Lawndale compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ North Lawndale	≈ 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 North Lawndale's Water Unique?

Local geology and source profile

Source: RiverTDS: 588.2 mg/LpH: 8.5

North Lawndale, a community area on Chicago's West Side, is served by the Chicago Department of Water Management (DWM). The utility provides water from both Lake Michigan surface sources and groundwater reserves. No North Lawndale-specific water quality report was located; residents receive water consistent with Chicago's municipal supply. The DWM publishes annual Consumer Confidence Reports detailing pH, lead and copper compliance, disinfection byproducts, and other contaminants, and residents may request free lead test kits through Chicago 311.

The Chicago water system draws from Lake Michigan and deep aquifers underlying Ordovician and Silurian dolomite and limestone bedrock. These carbonate rock formations naturally dissolve calcium and magnesium, imparting a hard mineral character to the supply. The geological setting of the Chicago area—particularly the prevalence of limestone and dolomite—is responsible for the region's characteristically hard water, which affects both surface and groundwater sources distributed throughout the metropolitan area.

Chicago's water, and by extension North Lawndale's supply, is classified as hard. Residents may experience scale buildup on fixtures, reduced soap effectiveness, and potential appliance wear over time. Water softening is commonly recommended for households in the area to mitigate these effects and extend appliance lifespan. Chicago tap water meets all federal and state safety standards; residents are encouraged to consult the City of Chicago Water Management website or contact DWM directly for the most current water quality data.

Geology & Source: Chicago metropolitan area — Lake Michigan surface supply and groundwater; region overlies Ordovician and Silurian dolomite and limestone; dissolved calcium and magnesium produce characteristically hard water

Other Illinois Water Reports

South Lawndale

≈ 120–179 mg/L

🟠 Hard

West Garfield Park

≈ 120–179 mg/L

🟠 Hard

East Garfield Park

≈ 120–179 mg/L

🟠 Hard

Cicero

≈ 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 North Lawndale's water safe to drink?

Yes. North Lawndale'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 North Lawndale?

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

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