Whitefish Bay Waterworks
EPA ID: WI2410597 · 14,272 people served · 42 ZIP codes
ZipCheckup's reading of EPA SDWIS for Whitefish Bay Waterworks (WI2410597): 2436 confirmed lead service lines. In every reporting cycle over the past five years, Whitefish Bay Waterworks has come through without a single EPA violation - a consistent performance across the full service population of approximately 14,272 residents that reflects both well-maintained infrastructure and reliable operational oversight.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Whitefish Bay Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Whitefish Bay Waterworks serves a community with a median household income of $62,176 and an estimated 785,981 residents across its service area. Approximately 85% 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?
Whitefish Bay Waterworks's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
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
Whitefish Bay Waterworks (EPA ID: WI2410597) is a community water system in Wisconsin that serves approximately 14,272 people from surface water sources.
This system provides water to 42 ZIP codes across 1 community.
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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 40 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 42 ZIP codes:
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 Whitefish Bay Waterworks (WI2410597) on EPA.gov.
Frequently Asked Questions
Is Whitefish Bay Waterworks water safe to drink?
Based on EPA records, Whitefish Bay Waterworks has no recorded violations in the past 5 years - a positive indicator of water quality management.
How many people does Whitefish Bay Waterworks serve?
Whitefish Bay Waterworks serves approximately 14,272 people across 42 ZIP codes in Wisconsin.
Where does Whitefish Bay Waterworks get its water?
The primary water source is surface water.
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.
Frequently Asked Questions
How to cite this page
ZipCheckup. (2026). Whitefish Bay Waterworks, WI: Serves 14K People (2026). https://zipcheckup.com/water-system/wi2410597/
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title = {{Whitefish Bay Waterworks, WI: Serves 14K People (2026)}},
year = {2026},
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Data as of April 2026.