CITY REPORT WI 1 HEALTH VIOLATIONS

Three Lakes, WI - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$292K
Median Home Value
$1,000
Est. Remediation (0.3% of home value)

Three Lakes Water: The Quick Version

  • Your city's water systems recorded 9 violations in the past 5 years.
  • Average lead level: 0.0025 mg/L.
  • Homes built before 1986: 63% - older plumbing may contain lead solder.
  • Estimated remediation: $1,000 per household.
  • CDC health risk index: 14.28 - above typical levels.

Water Systems Serving Three Lakes

In Three Lakes, WI, the drinking water supply is organized under a single dominant utility - a consolidated structure that shapes how infrastructure investment, regulatory compliance, and rate decisions flow to households. When one provider handles the overwhelming share of residential connections out of 1 tracked system, accountability is clear: service upgrades, EPA violation responses, and tariff changes all funnel through that single organizational structure.

Overview

We track home safety data for 1 ZIP code in Three Lakes, Wisconsin, covering 1 community water system serving approximately 1,867 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

Water Sources

Three Lakes water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0025 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Consumer Confidence Report Rule Reporting 8 1
Surface Water Treatment Rule Treatment Technique 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 1
Haloacetic Acids (HAA5) Disinfection Byproducts 2 1
Stage 1 DBP Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
54562 9 1 Northernaire Sanitary District

All ZIP Codes in Three Lakes

  • 54562 - 9 violations ⚠

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

CDC Health Data for Three Lakes

10.4%
Asthma (US: 9.8%)
13.8%
Diabetes (US: 10.4%)
14.5%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.4% ↑
Diabetes 13.8% ↑
Mental Health 14.5% ↓

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Three Lakes

Consumer Confidence Report Rule 8 violations
Reporting
Surface Water Treatment Rule 4 violations
Treatment Technique
Pathogens may not be adequately removed
Total Trihalomethanes (TTHM) 2 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

How Old Is Three Lakes's Housing Stock?

1973
Median Build Year
63%
Built Before 1986
29%
Built Before 1970
Copper
Likely Pipe Material

With 63% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

What does a median build year of 1973 mean for water safety in Three Lakes? It means the majority of the city's residential plumbing was installed before 1986, when lead solder was federally banned, and a large share may predate 1970, when lead pipes were commonly used - making plumbing age a central variable in household-level lead risk across much of the city.

1973
Median Year Built
63%
Pre-1986 (Lead Paint Risk)
29%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (29%) 1970–1986 (34%) Post-1986 (37%)

Over half of homes in Three Lakes were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Three Lakes: Remediation Cost in Perspective

Property equity in Three Lakes runs well ahead of estimated remediation costs - a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.

Median Home Value
$291,800
Est. Remediation
$1,000
Remediation as % of home value 0.3%

Remediation costs in Three Lakes are relatively low compared to home values. The $300–$2,300 estimated range is a small fraction of median property value. Home values are 26% above the Wisconsin average.

Protecting Children from Lead in Three Lakes

63%
Homes Built Before 1986
0.0025
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

63% of Three Lakes housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark - household-level confirmation through a draw-test kit fits the local picture.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Frequently Asked Questions

How many water violations does Three Lakes have?
Three Lakes water systems have a total of 9 EPA violations, including 1 health-based violation. Violations are tracked across 1 ZIP code.
Does Three Lakes water have lead?
The average 90th-percentile lead level in Three Lakes is 0.0025 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Three Lakes?
Three Lakes is served by 1 public water system across 1 ZIP code, serving approximately 1,867 people.
How much does it cost to fix water issues in Three Lakes?
Estimated remediation costs in Three Lakes average $1,000 per household, ranging from $300 to $2,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesWisconsin → Three Lakes, WI

How to cite this page

APA ZipCheckup. (2026). Three Lakes, WI - Home Safety Score unavailable. https://zipcheckup.com/cities/wi/three-lakes/
BibTeX
@misc{zipcheckup-cities-wi-three-lakes,
  author = {{ZipCheckup}},
  title  = {{Three Lakes, WI - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wi/three-lakes/}
}

Page version: August 2026.

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