Adair, IL: High Radon Risk — 56/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Adair, IL: mid-range safety grade, uneven compliance across service areas.
How Adair Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Adair Water
- Average lead level: 0.008 mg/L.
- Homes built before 1986: 90% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 13.08 — above typical levels.
Who Supplies Your Water in Adair
One utility dominates residential water service in Adair, IL — out of 1 system in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Adair, Illinois (population ~264), covering 1 community water system serving approximately 451 people region-wide.
No EPA violations recorded across any ZIP codes in Adair — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Adair: C (56/100)
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
Adair water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0080 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High 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 |
|---|---|---|---|
| 61411 | C | New Salem Pwd | 451 |
All ZIP Codes in Adair
- 61411 [C]
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 Adair
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 Adair
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
While newer cities carry lower aggregate plumbing risk from lead-era construction, Adair sits firmly in the older category. The median build year of 1956 indicates that more than half the housing stock was built before 1986, when lead solder was still legally used in residential copper plumbing — and a substantial portion likely predates 1970, when lead pipes were still commonly installed for service lines. These two thresholds together define the elevated plumbing risk environment that older housing cities carry, independent of what the municipal water supply delivers to the meter.
Over half of homes in Adair 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 Adair Homeowners
Across the Adair housing market, the estimated remediation share lands in a middle tier — not a minor footnote, but not a prohibitive burden either; the cost-to-value ratio reflects a moderate equity commitment, one that sits above routine maintenance territory and warrants a dedicated line in the household budget.
Remediation costs are moderate relative to home values in Adair. The estimated $800–$1,500 range is manageable for most homeowners but still worth budgeting for. Home values are 48% below the Illinois average.
Lead Exposure Risk for Children in Adair
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.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 90% of Adair stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Adair
- 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. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 90% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Adair, IL