Woodstock, IL: PFAS Found in Water - Home Safety 67/100
1 ZIP code · 5 water systems · Updated
ZipCheckup grade for Woodstock: C.
A mixed picture - some signals here are worth your attention.
Woodstock water quality is uneven - some service areas show clean compliance; others carry documented violations in IL EPA records.
How Woodstock Compares
Data: EPA SDWIS
Woodstock Water: The Quick Version
- Your city's water systems recorded 73 violations in the past 5 years.
- Average lead level: 0.0077 mg/L.
- Homes built before 1986: 53% - older plumbing may contain lead solder.
- Estimated remediation: $1,900 per household.
- CDC health risk index: 11.76.
Water Systems Serving Woodstock
Residential water in Woodstock, IL is supplied by 3 separate utilities - not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 5 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
- C
- C
- C
Overview
We track home safety data for 1 ZIP code in Woodstock, Illinois (population ~33,307), covering 5 community water systems serving approximately 127,317 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. 3 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Woodstock: C (67/100)
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
Woodstock water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0077 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)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 12 | 1 |
| Lead and Copper Rule | Treatment Technique | 6 | 1 |
| PFOA | PFAS | 4 | 1 |
| PFNA | PFAS | 4 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 60098 | C | 73 | 3 | Woodstock |
All ZIP Codes in Woodstock
- 60098 [C] - 73 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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Woodstock
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 Woodstock
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Woodstock's Housing Stock?
With 53% 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
The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing - from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Woodstock, where the median build year is 1986, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.
Over half of homes in Woodstock 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.
Woodstock: Remediation Cost in Perspective
In Woodstock, property values comfortably outpace what documented remediation typically costs - the equity share is proportionally low.
Remediation costs in Woodstock are relatively low compared to home values. The $950–$3,200 estimated range is a small fraction of median property value. Home values are 40% above the Illinois average.
Protecting Children from Lead in Woodstock
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.
Locally, 53% of Woodstock homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Woodstock
Historical NFIP data for Woodstock contains 24 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $16,008. Among ZIP codes with claim records, 0% 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>$1,900</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.
What You Can Do in Woodstock
- 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 Stage 1 DBP Rule can reduce the most common contaminant found in Woodstock's water.
- Check your home's plumbing. With 53% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Woodstock, IL