CITY REPORT WI 2 HEALTH VIOLATIONS

Union Grove, WI: 2 Health Violations - Home Safety 81/100

1 ZIP code · 2 water systems · Updated

ZipCheckup grade for Union Grove: B.

This ZIP looks solid, with a few items worth a quick check.

Based on current monitoring, Union Grove holds an above-average drinking water safety record for WI - violations are infrequent and typically minor when they do appear.

How Union Grove Compares

Union Grove81/100
Wisconsin avg70/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
B · 81
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$306K
Median Home Value
$3,200
Est. Remediation (1.1% of home value)

Union Grove Water: The Quick Version

  • Your city's water systems recorded 4 violations in the past 5 years.
  • Average lead level: 0.0013 mg/L.
  • Homes built before 1986: 62% - older plumbing may contain lead solder.
  • Estimated remediation: $3,200 per household.
  • CDC health risk index: 13.54 - above typical levels.

Water Systems Serving Union Grove

2 water systems are tracked federally in Union Grove, WI. The top 2 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.

Overview

We track home safety data for 1 ZIP code in Union Grove, Wisconsin, covering 2 community water systems serving approximately 9,592 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. 2 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Union Grove: B (81/100)

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

Union Grove water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0013 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
Barium Inorganic 2 1
Stage 1 DBP Rule Treatment Technique 2 1
Stage 2 DBP Rule Treatment Technique 2 1
Lead and Copper Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
53182 B 4 2 Union Grove Waterworks

All ZIP Codes in Union Grove

  • 53182 [B] - 4 violations ⚠

Data Sources

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

CDC Health Data for Union Grove

11.3%
Asthma (US: 9.8%)
12.5%
Diabetes (US: 10.4%)
15.3%
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 11.3% ↑
Diabetes 12.5% ↑
Mental Health 15.3% ↑

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Union Grove

Barium 2 violations
Inorganic · EPA limit: 2 mg/L
Increased blood pressure
Stage 1 DBP Rule 2 violations
Treatment Technique
Disinfection byproduct exposure risk
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 Union Grove's Housing Stock?

1974
Median Build Year
62%
Built Before 1986
31%
Built Before 1970
Copper
Likely Pipe Material

With 62% 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

Viewed through the lens of construction era, Union Grove is predominantly an older city - a median build year of 1974 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.

1974
Median Year Built
62%
Pre-1986 (Lead Paint Risk)
31%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (31%) 1970–1986 (31%) Post-1986 (38%)

Over half of homes in Union Grove 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.

Union Grove: Remediation Cost in Perspective

Across the Union Grove housing market, the estimated remediation share lands in a middle tier - not a minor footnote, but not a prohibitive burden either; the cost-to-value ratio reflects a moderate equity commitment, one that sits above routine maintenance territory and warrants a dedicated line in the household budget.

Median Home Value
$305,700
Est. Remediation
$3,200
Remediation as % of home value 1.1%

Remediation costs are moderate relative to home values in Union Grove. The estimated $1,950–$5,400 range is manageable for most homeowners but still worth budgeting for. Home values are 32% above the Wisconsin average.

Protecting Children from Lead in Union Grove

62%
Homes Built Before 1986
0.0013
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.

62% of Union Grove 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.

Historical Flood-Claim Evidence for Union Grove

9
Total FEMA Flood Claims
$108,182
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Union Grove contains 9 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $108,182. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$3,200</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

What does the Home Safety Score mean for Union Grove, WI?
Union Grove has an average Home Safety Score of 81/100 (Grade B) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 4 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Union Grove have?
Union Grove water systems have a total of 4 EPA violations, including 2 health-based violations. Violations are tracked across 1 ZIP code.
Does Union Grove water have lead?
The average 90th-percentile lead level in Union Grove is 0.0013 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 does Union Grove compare to Wisconsin average?
Union Grove has an average Home Safety Score of 81/100, which is above the Wisconsin state average of 70/100 for the same model series.
How many water systems serve Union Grove?
Union Grove is served by 2 public water systems across 1 ZIP code, serving approximately 9,592 people.
How much does it cost to fix water issues in Union Grove?
Estimated remediation costs in Union Grove average $3,200 per household, ranging from $1,950 to $5,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesWisconsin → Union Grove, WI

How to cite this page

APA ZipCheckup. (2026). Union Grove, WI: 2 Health Violations - Home Safety 81/100. https://zipcheckup.com/cities/wi/union-grove/
BibTeX
@misc{zipcheckup-cities-wi-union-grove,
  author = {{ZipCheckup}},
  title  = {{Union Grove, WI: 2 Health Violations - Home Safety 81/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wi/union-grove/}
}

Page version: August 2026.

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