Wynstone Water Company
EPA ID: IL0970080 · 1,424 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Wynstone Water Company (IL0970080): 1 unresolved EPA violation on record. Five-year compliance data for Wynstone Water Company includes 1 violation the EPA has not yet marked resolved - those open findings are part of the utility's current enforcement profile, covering a service population of approximately 1,424 residents across the area it supplies.
Data: EPA SDWIS
Service Area Map
Coverage area for Wynstone Water Company Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Wynstone Water Company serves a community with a median household income of $173,043 and an estimated 44,100 residents across its service area. Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Wynstone Water Company's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Wynstone Water Company compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.
Comparable Water Systems
Similar-sized systems in Illinois
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Wynstone Water Company (EPA ID: IL0970080) is a community water system in Illinois that serves approximately 1,424 people from groundwater sources.
This system serves ZIP code 60047 in Lake Zurich.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 1 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
| July 1, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0069 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by IL or modeled from parcel and building-footprint data.
- 60047 - Lake Zurich
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Wynstone Water Company (IL0970080) on EPA.gov.
Frequently Asked Questions
Is Wynstone Water Company water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Wynstone Water Company serve?
Wynstone Water Company serves approximately 1,424 people across 1 ZIP code in Illinois.
Where does Wynstone Water Company get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Wynstone Water Company (IL): 2 EPA Violations. https://zipcheckup.com/water-system/il0970080/
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title = {{Wynstone Water Company (IL): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il0970080/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Wynstone Water Company (EPA ID: IL0970080) - request the latest Consumer Confidence Report or ask about specific contaminants.