Blanchardville Waterworks
EPA ID: WI1330071 · 810 people served · 1 ZIP code
From the earliest to the most recent cycle in the five-year EPA window, Blanchardville Waterworks has logged zero violations — no MCL exceedances, no health advisories, and no enforcement activity across the entire period for the 810 people in its service area, a record that stands up well against both state and national benchmarks.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Blanchardville Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Blanchardville Waterworks serves a community with a median household income of $85,357 and an estimated 2,184 residents across its service area. Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Blanchardville Waterworks'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 Lafayette County, Wisconsin rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
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
Blanchardville Waterworks (EPA ID: WI1330071) is a community water system in Wisconsin that serves approximately 810 people from groundwater sources.
This system serves ZIP code 53516 in Blanchardville.
Average Home Safety Score: B (70/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 53516 | 0.00207 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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
- 53516 — Blanchardville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Blanchardville Waterworks (WI1330071) on EPA.gov.
Frequently Asked Questions
Is Blanchardville Waterworks water safe to drink?
Based on EPA records, Blanchardville Waterworks has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Blanchardville Waterworks serve?
Blanchardville Waterworks serves approximately 810 people across 1 ZIP code in Wisconsin.
Where does Blanchardville Waterworks 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.