Pioneer Estates of Delavan
EPA ID: WI2650116 · 400 people served · 43 ZIP codes
Pioneer Estates of Delavan earns a clean bill from EPA monitoring — no violations in five years across a service area of 400 people.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 1 (2025). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Pioneer Estates of Delavan Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Pioneer Estates of Delavan serves a community with a median household income of $62,712 and an estimated 802,037 residents across its service area. Approximately 84% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 48% 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?
Pioneer Estates of Delavan'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 1% of homes in Walworth 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
Pioneer Estates of Delavan (EPA ID: WI2650116) is a community water system in Wisconsin that serves approximately 400 people from groundwater sources.
This system provides water to 43 ZIP codes across 2 communities.
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
This system serves 43 ZIP codes:
53115 · 53201 · 53202 · 53203 · 53204 53205 · 53206 · 53207 · 53208 · 53209 53210 · 53211 · 53212 · 53213 · 53214 53215 · 53216 · 53217 · 53218 · 53219 53220 · 53221 · 53222 · 53223 · 53224 53225 · 53226 · 53227 · 53228 · 53233 53234 · 53237 · 53244 · 53259 · 53263 53267 · 53268 · 53274 · 53278 · 53288 53290 · 53293 · 53295
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Pioneer Estates of Delavan (WI2650116) on EPA.gov.
Frequently Asked Questions
Is Pioneer Estates of Delavan water safe to drink?
Based on EPA records, Pioneer Estates of Delavan has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Pioneer Estates of Delavan serve?
Pioneer Estates of Delavan serves approximately 400 people across 43 ZIP codes in Wisconsin.
Where does Pioneer Estates of Delavan get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.