CITY REPORT MN

Willernie, MN: 1 Violation - Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
Zone 1
Radon Risk (High)
$305K
Median Home Value
$1,200
Est. Remediation (0.4% of home value)

Willernie Water: The Quick Version

  • Your city's water systems recorded 1 violation in the past 5 years.
  • Homes built before 1986: 85% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 11.06.

Water Systems Serving Willernie

Water service in Willernie, MN is split across 2 utilities out of 2 tracked federally, each operating its own infrastructure and compliance record.

Overview

We track home safety data for 1 ZIP code in Willernie, Minnesota (population ~377), covering 2 community water systems serving approximately 9,343 people region-wide. 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. The available record reports no health-based violations for this measured scope.

Water Sources

Willernie water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 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 1 (High Risk)

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
Stage 2 DBP Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
55090 1 0 Mahtomedi

All ZIP Codes in Willernie

Data Sources

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

CDC Health Data for Willernie

9.3%
Asthma (US: 9.8%)
10.3%
Diabetes (US: 10.4%)
13.3%
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 9.3% ↓
Diabetes 10.3% ↓
Mental Health 13.3% ↓

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Willernie

Stage 2 DBP Rule 2 violations
Treatment Technique
Disinfection byproduct exposure risk

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

How Old Is Willernie's Housing Stock?

1943
Median Build Year
85%
Built Before 1986
58%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 85% 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

While newer cities carry lower aggregate plumbing risk from lead-era construction, Willernie sits firmly in the older category. The median build year of 1943 indicates that more than half the housing stock was built before 1986, when lead solder was still legally used in residential copper plumbing - and a substantial portion likely predates 1970, when lead pipes were still commonly installed for service lines. These two thresholds together define the elevated plumbing risk environment that older housing cities carry, independent of what the municipal water supply delivers to the meter.

1943
Median Year Built
85%
Pre-1986 (Lead Paint Risk)
58%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (58%) 1970–1986 (27%) Post-1986 (15%)

Over half of homes in Willernie 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.

Willernie: Remediation Cost in Perspective

How much of a Willernie home's value does documented remediation represent? A small fraction - the equity share here is in the low tier, and from a household financial perspective, most property owners are considering a commitment that fits comfortably within standard planning rather than a decision that rises to the level of a material budget event or significant equity consideration.

Median Home Value
$305,200
Est. Remediation
$1,200
Remediation as % of home value 0.4%

Remediation costs in Willernie are relatively low compared to home values. The $800–$1,500 estimated range is a small fraction of median property value. Home values are 27% above the Minnesota average.

Protecting Children from Lead in Willernie

85%
Homes Built Before 1986

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.

Households with kids in the home - for whom CDC guidance places particular weight on minimizing exposure - face a specific local picture in Willernie. 85% of homes here come from the pre-rule era, and aggregate utility samples either approach or cross 0.015 mg/L. A baseline draw-test kit and certified lead-removal filtration are available via retailer networks for households confirming conditions at a specific tap.

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 Willernie have?
Willernie water systems have a total of 1 EPA violation. Violations are tracked across 1 ZIP code.
How many water systems serve Willernie?
Willernie is served by 2 public water systems across 1 ZIP code, serving approximately 377 people.
How much does it cost to fix water issues in Willernie?
Estimated remediation costs in Willernie average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesMinnesota → Willernie, MN

How to cite this page

APA ZipCheckup. (2026). Willernie, MN: 1 Violation - Home Safety Score unavailable. https://zipcheckup.com/cities/mn/willernie/
BibTeX
@misc{zipcheckup-cities-mn-willernie,
  author = {{ZipCheckup}},
  title  = {{Willernie, MN: 1 Violation - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/mn/willernie/}
}

Page version: August 2026.

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