Willow Hill, IL: 6 Violations — 69/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
The systems supplying Willow Hill vary in performance across IL benchmarks — most meet minimum federal standards, but documented violations in select areas are on record.
How Willow Hill Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Willow Hill Water
- Your city's water systems recorded 6 violations in the past 5 years.
- Homes built before 1986: 75% — older plumbing may contain lead solder.
- Estimated remediation: $900 per household.
- CDC health risk index: 13.84 — above typical levels.
Who Supplies Your Water in Willow Hill
2 water systems are tracked federally in Willow Hill, IL. The top 2 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.
Overview
We track water quality and home safety data for 1 ZIP code in Willow Hill, Illinois (population ~764), covering 2 community water systems serving approximately 30,029 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Willow Hill: C (69/100)
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
Willow Hill water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Willow Hill
- 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.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 4 | 1 |
| Revised Total Coliform Rule | Microbiological | 4 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 62480 | C | 6 | 0 | Ej Water Cooperative |
All ZIP Codes in Willow Hill
- 62480 [C] — 6 violations
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 Willow Hill
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
Top Contaminants in Willow Hill Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Willow Hill
With 75% 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, Willow Hill is predominantly an older city — a median build year of 1955 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Willow Hill 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 Willow Hill Homeowners
In Willow Hill, documented water and safety issues can be addressed without making a meaningful dent in home equity — the financial proportionality here is favorable, and the commitment fits within standard property planning frameworks.
Remediation costs in Willow Hill are relatively low compared to home values. The $300–$1,600 estimated range is a small fraction of median property value. Home values are 38% below the Illinois average.
Lead Exposure Risk for Children in Willow Hill
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.
75% of Willow Hill housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark — household-level confirmation through a draw-test kit fits the local picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Willow Hill
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Consumer Confidence Report Rule can reduce the most common contaminant found in Willow Hill's water.
- Check your home's plumbing. With 75% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Willow Hill, IL