CITY REPORT WI HEALTH VIOLATIONS: 1

Deer Park, WI: 6 Violations - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs Linked to Systems with Violations
Zone 1
County Radon Potential (High)
$247K
Median Home Value
$300
Est. Remediation (0.1% of home value)

What You Should Know About Deer Park Water

  • Your city's water systems recorded 6 violations since 2021.
  • Homes built before 1986: 68% - older plumbing may contain lead solder.
  • Estimated remediation: $300 per household.
  • Health risk index (ZipCheckup composite of CDC data): 11.96.

Who Supplies Your Water in Deer Park

Listed supplier for Deer Park, WI: one system, of 1 on federal record.

Overview

We track home safety data for 1 ZIP code in Deer Park, Wisconsin (population ~1,061), covering 1 community water system serving approximately 2,962 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. 1 health-based violation appear in the available health breakdown.

Water Sources

Deer Park water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (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
Public Notice Rule Reporting 4 1
Gross Alpha (excl. radon and uranium) Radionuclides 2 1
Combined Radium (-226 and -228) Radionuclides 2 1
Radium-228 Radionuclides 2 1
Lead and Copper Rule Revisions Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
54007 — 6 1 Amery Waterworks

All ZIP Codes in Deer Park

  • 54007 - 6 violations ⚠

Data Sources

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

Health Outcomes in Deer Park

10.4%
Asthma (US: 9.8%)
9.6%
Diabetes (US: 10.4%)
14.6%
Poor Mental Health (US: 14.8%)

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

Asthma 10.4% ↑
Diabetes 9.6% ↓
Mental Health 14.6% ↓

Vertical line = national average. ■ Above national · ■ Below national

Top Contaminants in Deer Park Water

Public Notice Rule 4 violations
Reporting
Gross Alpha (excl. radon and uranium) 2 violations
Radionuclides · EPA regulatory level for the contaminant named above: 15 pCi/L
Combined Radium (-226 and -228) 2 violations
Radionuclides · EPA regulatory level for the contaminant named above: 5 pCi/L

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

Housing & Infrastructure in Deer Park

1977
Median Build Year
68%
Built Before 1986
47%
Built Before 1970
Copper
Likely Pipe Material

With 68% 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

If you live in one of the pre-1986 homes in Deer Park, a certified lab test for lead is the direct way to learn what your tap delivers; the median build year of 1977 is only context.

1977
Median Year Built
68%
Pre-1986 (lead solder era; lead paint banned 1978)
47%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (47%) 1970–1986 (21%) Post-1986 (32%)

Over half of homes in Deer Park 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.

Cost Context: What Remediation Means for Deer Park Homeowners

This section sets two area figures side by side for Deer Park: 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.

Median Home Value
$247,300
Est. Remediation
$300
Remediation as % of home value 0.1%

Estimated remediation costs in Deer Park 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 7% above the Wisconsin average.

Lead Exposure Risk for Children in Deer Park

68%
Homes Built Before 1986

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.

Frequently Asked Questions

How many violations are on record for water systems serving Deer Park?
EPA records list 6 EPA violations, including 1 health-based violation for Deer Park water systems. These water-system violations are shown for 1 mapped ZIP code.
How many water systems serve Deer Park?
Our records map 1 water system to 1 ZIP code in Deer Park. The related population figure in our data is approximately 1,061 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Deer Park?
Estimated remediation cost per household in Deer Park: $300; modeled range $150 to $600. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Deer Park, WI: 6 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/wi/deer-park/
BibTeX
@misc{zipcheckup-cities-wi-deer-park,
  author = {{ZipCheckup}},
  title  = {{Deer Park, WI: 6 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wi/deer-park/}
}

Page version: October 2026.

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