Walnut Hill, IL - Home Safety Score unavailable
1 ZIP code · 2 water systems · Updated
Data: EPA SDWIS
What You Should Know About Walnut Hill Water
- Your city's water systems recorded 5 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0028 mg/L.
- Homes built before 1986: 40% - older plumbing may contain lead solder.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 14.47.
Who Supplies Your Water in Walnut Hill
2 systems shown for Walnut Hill, IL, from 2 on the federal list.
Overview
We track home safety data for 1 ZIP code in Walnut Hill, Illinois (population ~922), covering 2 community water systems serving approximately 19,262 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Water Sources
Walnut Hill water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0028 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 6 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
| Public Notice Rule | Reporting | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 62893 | — | 5 | 0 | Centralia |
All ZIP Codes in Walnut Hill
- 62893 - 5 violations recorded for mapped water systems
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Walnut Hill
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Walnut Hill Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Walnut Hill
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Plumbing materials follow installation dates, not medians. Walnut Hill records a median build year of 1998, and a meaningful share of its homes date from before the 1986 federal lead restrictions.
Most homes in Walnut Hill were built after 1986; lead exposure at a tap still depends on its service line and plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Walnut Hill Homeowners
Measured against the median home value, the estimated cost of fixing the issues flagged for Walnut Hill lands in the lowest of the three tiers this page uses.
Estimated remediation costs in Walnut Hill can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 25% below the Illinois average.
Lead Exposure Risk for Children in Walnut Hill
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Walnut Hill, IL