Waupun Correctional Inst
EPA ID: WI1140142 · 3,706 people served · 36 ZIP codes
Even as other utilities in the region logged violations, Waupun Correctional Inst kept a clean EPA record — five years, no issues, 3,706 people served.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 37 (2023) to 1 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Waupun Correctional Inst Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Waupun Correctional Inst serves a community with a median household income of $74,476 and an estimated 322,698 residents across its service area. Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Waupun Correctional Inst'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 Dane 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 69th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 29 detections recorded.
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
Waupun Correctional Inst (EPA ID: WI1140142) is a community water system in Wisconsin that serves approximately 3,706 people from groundwater sources.
This system provides water to 36 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
Coverage: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 35 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
This system serves 36 ZIP codes:
53701 · 53702 · 53703 · 53704 · 53705 53706 · 53707 · 53708 · 53711 · 53713 53714 · 53715 · 53716 · 53717 · 53718 53719 · 53725 · 53726 · 53744 · 53774 53777 · 53778 · 53779 · 53782 · 53783 53784 · 53785 · 53786 · 53788 · 53789 53790 · 53791 · 53792 · 53793 · 53794 53963
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Waupun Correctional Inst (WI1140142) on EPA.gov.
Frequently Asked Questions
Is Waupun Correctional Inst water safe to drink?
Based on EPA records, Waupun Correctional Inst has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Waupun Correctional Inst serve?
Waupun Correctional Inst serves approximately 3,706 people across 36 ZIP codes in Wisconsin.
Where does Waupun Correctional Inst get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
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.