Lake Mills, WI: 1 Health Violation - Home Safety 66/100
1 ZIP code · 2 water systems · Updated
ZipCheckup grade for Lake Mills: C.
A mixed picture - some signals here are worth your attention.
Neither high nor low, the composite grade for Lake Mills, WI is a C, built from ZIP-level scores.
How Lake Mills Compares
Data: EPA SDWIS
Key Facts for Lake Mills Residents
- Your city's water systems recorded 2 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0046 mg/L.
- Homes built before 1986: 56% - older plumbing may contain lead solder.
- Estimated remediation: $300 per household.
- Health risk index (ZipCheckup composite of CDC data): 12.75.
Lake Mills's Water Providers
Service in Lake Mills, WI can differ by address: 2 water systems are tied to the area in federal records, and the 2 largest are listed with their violation records.
- C
- C
Overview
We track home safety data for 1 ZIP code in Lake Mills, Wisconsin, covering 2 community water systems serving approximately 9,485 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.
Home Safety Score
Average Home Safety Score for Lake Mills: C (66/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Lake Mills water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0046 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
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 53551 | C | 2 | 1 | Lake Mills Waterworks |
All ZIP Codes in Lake Mills
- 53551 [C] - 2 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Lake Mills Community Health Snapshot
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Lake Mills's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Lake Mills Infrastructure Age
With 56% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Ask the water utility whether your address in Lake Mills has a lead service line; its inventory can answer what a median build year of 1970 cannot.
Over half of homes in Lake Mills were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Lake Mills
This section sets two area figures side by side for Lake Mills: the median home value and an estimated remediation cost. Here the estimate equals no more than 1% of that value, which places the city in the low tier; it is an area estimate, and the cost for any one property can be higher or lower.
Estimated remediation costs in Lake Mills can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 40% above the Wisconsin average.
Lake Mills: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Lake Mills
- Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
- Install a certified water filter. For Lead and Copper Rule, listed in the water-quality records for Lake Mills: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
- Check your home's plumbing. With 56% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Lake Mills, WI