West Lawn Water Hardness & Quality Report (2026)
Water Hardness
10.7 grains per gallon
Source
river
pH Level
8.1
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
376.7 mg/L
Est. Daily Cost
$0.49
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
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 West Lawn, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In West Lawn | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.5 yrs | 8.5 yrs | -59% |
| Washing Machine | 6.8 yrs | 12 yrs | -43% |
| Water Heater | 8.2 yrs | 15 yrs | -45% |
Regional Water Comparison
How West Lawn compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ West Lawn, Illinois | 184 mg/L | 6.5 ppt | 🔴 Very Hard | river |
| West Elsdon, Illinois | 181 mg/L | 6.4 ppt | 🔴 Very Hard | river |
| Chicago Lawn, Illinois | 171 mg/L | 6 ppt | 🟠 Hard | river |
| Ashburn, Illinois | 270 mg/L | 9.4 ppt | 🔴 Very Hard | river |
| Gage Park, Illinois | 224.5 mg/L | 7.8 ppt | 🔴 Very Hard | river |
National Benchmark
How West Lawn compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ West Lawn | 184 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes West Lawn's Water Unique?
Local geology and source profile
West Lawn, Chicago, Illinois — a major southwest Chicago neighborhood (West Lawn is a significant southwest Chicago neighborhood on the Midwest Stockyards side of Chicago's southwest side — one of the classic Chicago bungalow belt neighborhoods, with rows of Chicago-style brick bungalows typical of the 1910s–1930s era), a diverse Cook County community with a significant Mexican-American and Polish-American population (West Lawn is part of the greater Little Village–Brighton Park Mexican-American corridor of southwest Chicago — one of the most concentrated Mexican-American commercial and residential areas in the United States), adjacent to Marquette Park (a significant southwest Chicago public park — the site of Martin Luther King Jr.'s 1966 open housing march and a historic Chicago civil rights battleground), and one of the classic Chicago bungalow belt southwest side neighborhoods — draws its municipal water supply from Lake Michigan via the City of Chicago Department of Water Management. Water hardness in West Lawn measures 184 mg/L — classified as very hard.
West Lawn's very hard supply — harder than typical Chicago supply — reflects the southwest Chicago distribution zone's older infrastructure. The Chicago DWM distributes Lake Michigan supply through the West Lawn southwest side zone (primarily 1910s–1930s bungalow belt residential development era mains — older southwest side distribution infrastructure), producing the very hard 184 mg/L.
At 184 mg/L, West Lawn residents face regular hard water challenges. Monthly descaling with citric acid solution is recommended. Chicago DWM consistently delivers water meeting all Illinois EPA and EPA Safe Drinking Water Act requirements.
Geology & Source: Lake supply from Lake Michigan via the City of Chicago Department of Water Management — the Cook County southwest Chicago West Lawn corridor (Lake Michigan calcareous-moderate freshwater supply — Chicago DWM southwest distribution to West Lawn Cook County zone; Chicago southwest side distribution with older infrastructure and calcareous supply); very hard supply at 184 mg/L in Cook County.