Century Estates 1
EPA ID: WI2460143 · 130 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Century Estates 1 (WI2460143): 1 violation recorded with unresolved status in the SDWIS data used. Marked active and unresolved in the EPA record: 1 violation at Century Estates 1, whose service population is approximately 130 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Century Estates 1 Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Century Estates 1 have a median household income of $126,431 and about 21,202 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Century Estates 1's water is classified in EPA records as a groundwater source. 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
Comparable Water Systems
Similar-sized systems in Wisconsin
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
Century Estates 1 (EPA ID: WI2460143) is a community water system in Wisconsin that serves approximately 130 people from groundwater sources.
This system serves ZIP code 53092 in Thiensville.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 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 |
|---|---|---|---|
| October 1, 2025 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0007 mg/L | No | 2024-09-30 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 WI or modeled from parcel and building-footprint data.
- 53092 - Thiensville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Century Estates 1 (WI2460143) on EPA.gov.
Frequently Asked Questions
Is Century Estates 1 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 Century Estates 1 serve?
Century Estates 1 serves approximately 130 people across 1 ZIP code in Wisconsin.
Where does Century Estates 1 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Century Estates 1 (WI): 1 EPA Violation. https://zipcheckup.com/water-system/wi2460143/
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author = {{ZipCheckup}},
title = {{Century Estates 1 (WI): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wi2460143/}
}
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
Century Estates 1 (EPA ID: WI2460143) - request the latest Consumer Confidence Report or ask about specific contaminants.