CITY REPORT WI

Brooklyn, 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 with Violations
Zone 1
Radon Risk (High)
$366K
Median Home Value
$3,000
Est. Remediation (0.8% of home value)

Key Facts for Brooklyn Residents

  • Your city's water systems recorded 6 violations in the past 5 years.
  • Average lead level: 0.0063 mg/L.
  • Homes built before 1986: 51% - older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 10.18.

Brooklyn's Water Providers

Across most of Brooklyn, WI, residential water comes from a single utility. That provider sets rates, manages infrastructure maintenance, and files compliance reports with the EPA on behalf of the households it serves. Federal tracking data shows 1 system on record, but one carries the bulk of the service load.

Overview

We track home safety data for 1 ZIP code in Brooklyn, Wisconsin (population ~3,688), covering 1 community water system serving approximately 5,703 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

Brooklyn water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0063 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
Surface Water Treatment Rule Treatment Technique 6 1
Gross Alpha Radionuclides 2 1
Gross Beta Radionuclides 2 1
Radium-228 Radionuclides 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
53521 6 0 Evansville Waterworks

All ZIP Codes in Brooklyn

Data Sources

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

Brooklyn Community Health Snapshot

9.9%
Asthma (US: 9.8%)
8.2%
Diabetes (US: 10.4%)
14.8%
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 9.9% ↑
Diabetes 8.2% ↓
Mental Health 14.8% ↓

Vertical line = national average. Above national · Below national

What's in Brooklyn's Water?

Surface Water Treatment Rule 6 violations
Treatment Technique
Pathogens may not be adequately removed
Gross Alpha 2 violations
Radionuclides · EPA limit: 15 pCi/L
Increased cancer risk
Gross Beta 2 violations
Radionuclides · EPA limit: 50 pCi/L

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

Brooklyn Infrastructure Age

1985
Median Build Year
51%
Built Before 1986
31%
Built Before 1970
Copper
Likely Pipe Material

With 51% 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, Brooklyn is predominantly an older city - a median build year of 1985 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.

1985
Median Year Built
51%
Pre-1986 (Lead Paint Risk)
31%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (31%) 1970–1986 (20%) Post-1986 (49%)

Over half of homes in Brooklyn 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.

How Remediation Costs Compare in Brooklyn

Placing remediation in the context of Brooklyn's property market, the equity share is low - most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.

Median Home Value
$365,600
Est. Remediation
$3,000
Remediation as % of home value 0.8%

Remediation costs in Brooklyn are relatively low compared to home values. The $2,000–$4,000 estimated range is a small fraction of median property value. Home values are 58% above the Wisconsin average.

Brooklyn: Lead Risk & Vulnerable Populations

51%
Homes Built Before 1986
0.0063
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.

Practically, the structural drivers in Brooklyn - 51% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark - make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.

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

Brooklyn: NFIP Claim Records and Water-Quality Context

1
Total FEMA Flood Claims
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Brooklyn contains 1 flood insurance claim. Among ZIP codes with claim records, 0% 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>$3,000</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

How many water violations does Brooklyn have?
Brooklyn water systems have a total of 6 EPA violations. Violations are tracked across 1 ZIP code.
Does Brooklyn water have lead?
The average 90th-percentile lead level in Brooklyn is 0.0063 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 Brooklyn?
Brooklyn is served by 1 public water system across 1 ZIP code, serving approximately 3,688 people.
How much does it cost to fix water issues in Brooklyn?
Estimated remediation costs in Brooklyn average $3,000 per household, ranging from $2,000 to $4,000. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesWisconsin → Brooklyn, WI

How to cite this page

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

Page version: August 2026.

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