Vilas County, Wisconsin
6 ZIP codes · Avg score 68/100 · Grade C · Updated 2026-06-03
Monitoring figures for Vilas County indicate average water quality overall — some ZIP codes among the 6 tracked have recorded health-based violations, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Vilas County Compares
How Vilas County Compares
Vilas County scores 2 points above the Wisconsin state average (66/100) and 0 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Vilas County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15 (asthma 10.8%, diabetes 13.8%)
Estimated additional annual cost per homeowner: $550, driven primarily by energy_code_gap
Infrastructure: 0.353% avg pipe failure probability
60.5% of homes built before 1978 (lead paint era)
Violation History (2021–2026)
→ Stable trendEPA violation counts by year across Vilas County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 3 violations. Past 5 years: 9 total (9 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $550
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,753 housing units in Vilas County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Vilas County
Remediation costs are relatively manageable for most homeowners in Vilas County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Vilas County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 4 systems in Vilas County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | LAND O LAKES SANITARY DIST | 450 | 9 |
| 2 | Lowenstine Fund Corporation | 120 | 9 |
| 3 | PHELPS SANITARY DISTRICT | 550 | 2 |
| 4 | Forest Edge Apartments Llc | 100 | 0 |
All ZIP Codes in Vilas County
6 ZIP codes tracked in Vilas County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 54538 | Lac Du Flambeau | 83 | B | 0 | $271K |
| 2 | 54554 | Phelps | 82 | B | 2 | $223K |
| 3 | 54540 | Land O Lakes | 81 | B | 9 (2 health) | $224K |
| 4 | 54512 | Boulder Junction | 53 | D | 0 | $281K |
| 5 | 54519 | Conover | 53 | D | 0 | $242K |
| 6 | 54561 | Star Lake | 53 | D | 0 | $229K |
Recommended Buyer Guides for Vilas County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 60.5% of homes built before 1978
Deep Dive Reports
Detailed analysis for Vilas County, Wisconsin
Overview
Vilas County in Wisconsin covers 6 ZIP codes with an average Home Safety Score of C (68/100).
2 of 6 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.
← Back to Wisconsin water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.