Hales Happiness Subdivision
EPA ID: WI2410575 · 400 people served · 1 ZIP code
Hales Happiness Subdivision's five-year compliance history is clean by every EPA metric — no health-based violations, no monitoring lapses, no enforcement actions on record, reflecting consistent performance for a utility that supplies water to approximately 400 residents year after year.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Hales Happiness Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Hales Happiness Subdivision serves a community with a median household income of $86,806 and an estimated 7,647 residents across its service area. Approximately 81% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 49% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Hales Happiness Subdivision'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.
About 2% of homes in Milwaukee County, Wisconsin rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th 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
Hales Happiness Subdivision (EPA ID: WI2410575) is a community water system in Wisconsin that serves approximately 400 people from groundwater sources.
This system serves ZIP code 53130 in Hales Corners.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 53130 — Hales Corners
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Hales Happiness Subdivision (WI2410575) on EPA.gov.
Frequently Asked Questions
Is Hales Happiness Subdivision water safe to drink?
Based on EPA records, Hales Happiness Subdivision has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Hales Happiness Subdivision serve?
Hales Happiness Subdivision serves approximately 400 people across 1 ZIP code in Wisconsin.
Where does Hales Happiness Subdivision get its water?
The primary water source is groundwater.