North Center Water Hardness & Quality Report (2026)
Water Hardness
13.8 grains per gallon
Source
river
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
564.7 mg/L
Est. Daily Cost
$0.63
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 North Center, your appliances are currently losing 32% efficiency due to mineral buildup.
| Appliance | In North Center | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.8 yrs | 8.5 yrs | -79% |
| Washing Machine | 4.8 yrs | 12 yrs | -60% |
| Water Heater | 6.1 yrs | 15 yrs | -59% |
Regional Water Comparison
How North Center compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ North Center, Illinois | 236.5 mg/L | 8.3 ppt | 🔴 Very Hard | river |
| Lincoln Square, Illinois | 142.5 mg/L | 5.1 ppt | 🟠 Hard | river |
| Uptown, Illinois | 263.5 mg/L | 9.2 ppt | 🔴 Very Hard | river |
| Edgewater, Illinois | 218.5 mg/L | 7.6 ppt | 🔴 Very Hard | river |
| Avondale, Illinois | 101 mg/L | 3.7 ppt | 🟡 Moderately Hard | river |
National Benchmark
How North Center compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ North Center | 236.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes North Center's Water Unique?
Local geology and source profile
North Center, Illinois, a neighborhood on the north side of Chicago in Cook County — a major north side Chicago neighborhood (North Center — also known as the Lincoln Square area — is one of Chicago's most distinctive north side neighborhoods, historically the heart of Chicago's German-American community), home of the Lincoln Square neighborhood commercial district (one of Chicago's most unique neighborhood commercial areas — with German and European specialty shops, delicatessens, and cultural institutions including the Goethe Institut Chicago and the Old Town School of Folk Music), a diverse Cook County community with a significant Mexican-American, Korean-American, and German-American heritage population, and a neighborhood undergoing significant gentrification with increasing young professional and family populations — draws its municipal water supply via the City of Chicago Department of Water Management. Water hardness in North Center measures 236.5 mg/L — classified as very hard.
North Center's very hard supply reflects the Chicago water system's Lake Michigan supply and north side distribution. The City of Chicago draws from Lake Michigan (raw hardness approximately 140–160 mg/L) with minimal softening. The North Center–Lincoln Square north side distribution zone (primarily 1920s–1940s brick apartment building mains — older Chicago north side residential infrastructure) accumulates hardness in distribution, producing the very hard 236.5 mg/L.
At 236.5 mg/L, North Center residents face severe hard water challenges. Weekly descaling and appliance protection measures are strongly recommended. Chicago DWM consistently delivers water meeting all Illinois EPA and federal 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 north Chicago North Center neighborhood corridor (Lake Michigan calcareous-moderate freshwater supply and the north Chicago distribution mains — the Cook County north Chicago grid system; older north Chicago residential mains in the Lincoln Square–North Center zone); very hard supply at 236.5 mg/L — reflecting Chicago Lake Michigan supply with distribution hardness.