Carol Stream, IL: 10 Violations - Home Safety 78/100
8 ZIP codes · 5 water systems · Updated
ZipCheckup grade for Carol Stream: B.
This ZIP looks solid, with a few items worth a quick check.
Looking at federal monitoring data for Carol Stream, IL: the city clears benchmarks set under the Safe Drinking Water Act with room to spare - recorded exceedances are rare, and the systems serving local households have not triggered any pattern of repeat deficiencies in recent cycles.
How Carol Stream Compares
Data: EPA SDWIS
Carol Stream Water: The Quick Version
- Your city's water systems recorded 10 violations in the past 5 years.
- Average lead level: 0.0027 mg/L.
- Estimated remediation: $838 per household.
- CDC health risk index: 11.25.
Water Systems Serving Carol Stream
Residential water service in Carol Stream, IL is divided among 3 separate utilities, drawn from 5 systems on file with federal regulators.
- B
- B
- B
Overview
We track home safety data for 8 ZIP codes in Carol Stream, Illinois (population ~42,087), covering 5 community water systems serving approximately 118,157 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 8 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.
Home Safety Score
Average Home Safety Score for Carol Stream: B (78/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Carol Stream water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0027 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
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 2 ZIP codes
- Zone 2 (Moderate): 6 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 6 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Contaminant 2036 | Other | 2 | 1 |
| Contaminant 2046 | Other | 2 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 60188 | B | 10 | 0 | Carol Stream |
All ZIP Codes in Carol Stream
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.
CDC Health Data for Carol Stream
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
Key Contaminants Detected in Carol Stream
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Carol Stream: Remediation Cost in Perspective
In Carol Stream, property values comfortably outpace what documented remediation typically costs - the equity share is proportionally low.
Remediation costs in Carol Stream are relatively low compared to home values. The $288–$1,438 estimated range is a small fraction of median property value. Home values are 69% above the Illinois average.
Protecting Children from Lead in Carol Stream
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.
Lead risk in Carol Stream appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Carol Stream
Historical NFIP data for Carol Stream contains 143 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $17,486. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$838</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Carol Stream, IL