Carman, IL: High Radon Risk — 35/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
If you're researching Carman, IL tap water quality, the baseline finding is below average — health-based violations are documented in several service areas, and verifying the specific system at your address is the right next step.
How Carman Compares
Data: EPA SDWIS Last verified: 2026-06-03
Carman Water: The Quick Version
- Homes built before 1986: 63% — older plumbing may contain lead solder.
- Estimated remediation: $3,500 per household.
- CDC health risk index: 15.2 — above typical levels.
Water Systems Serving Carman
Federal records list 1 water system serving Carman, IL. One provider accounts for the large majority of residential water connections in the area, concentrating infrastructure and compliance accountability.
Overview
We track water quality and home safety data for 1 ZIP code in Carman, Illinois, covering 1 community water system serving approximately 713 people.
No EPA violations recorded across any ZIP codes in Carman — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Carman: F (35/100)
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
Carman water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Carman
- 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 |
|---|---|---|---|
| 61425 | F | GLADSTONE | 387 |
All ZIP Codes in Carman
- 61425 [F]
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.
CDC Health Data for Carman
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
How Old Is Carman's Housing Stock?
With 63% 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
Pre-1986 plumbing is not a rare legacy case in Carman — it's the dominant profile. The median build year of 1971 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.
Over half of homes in Carman 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.
Carman: Remediation Cost in Perspective
Because estimated remediation claims a substantial fraction of typical Carman property equity, the household financial perspective here requires serious advance planning — the cost-to-value ratio is in the elevated tier and warrants structured preparation.
At 4.0% of home value, remediation costs in Carman represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $2,300–$4,800. Home values here are 52% below the Illinois average.
Protecting Children from Lead in Carman
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.
Older interior plumbing shapes the local picture: 63% of Carman homes predate the federal solder ban, and aggregate sampling either approaches or crosses the action benchmark. That mix makes a single-home draw a standard pre-purchase or pre-occupancy step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Carman
How does Carman's flood record connect to local water quality? The NFIP documents 260 claims — enough to signal recurring events — and 100% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
Carman has a moderate flood history with 260 FEMA claims averaging $26,810 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>$3,500</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.
What You Can Do in Carman
- 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 63% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Carman, IL