La Grange Park, IL Water Safety: 81/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
La Grange Park's tap water quality puts it in IL's upper tier — health-based violations are rare and the compliance record is consistently above average.
How La Grange Park Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About La Grange Park Water
- Average lead level: 0.0057 mg/L.
- Homes built before 1986: 90% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 11.18.
Who Supplies Your Water in La Grange Park
La Grange Park, IL draws its residential water from 3 separate providers among the 4 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 1 ZIP code in La Grange Park, Illinois (population ~13,341), covering 4 community water systems serving approximately 61,261 people region-wide.
No EPA violations recorded across any ZIP codes in La Grange Park — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for La Grange Park: B (81/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
La Grange Park water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0057 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 60526 | B | La Grange Park | 13,011 |
All ZIP Codes in La Grange Park
- 60526 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in La Grange Park
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in La Grange Park
With 90% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Viewed through the lens of construction era, La Grange Park is predominantly an older city — a median build year of 1954 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in La Grange Park were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for La Grange Park Homeowners
Setting La Grange Park remediation figures against its property market, the resulting ratio sits comfortably in the low tier — a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.
Remediation costs in La Grange Park are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 133% above the Illinois average.
Lead Exposure Risk for Children in La Grange Park
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 90% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in La Grange Park.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in La Grange Park
FEMA data shows 100% of La Grange Park's ZIP codes mapped into designated flood zones, paired with an NFIP record of 8 claims. That footprint places local flood exposure in the range where it warrants attention without rising to high-severity planning territory.
La Grange Park has a moderate flood history with 8 FEMA claims averaging $1,159 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for La Grange Park, IL