Brookfield, WI: 11 Health Violations - Home Safety 63/100
3 ZIP codes · 5 water systems · Updated
ZipCheckup grade for Brookfield: C.
A mixed picture - some signals here are worth your attention.
Your top priority: consider a certified water filter (11 health violations on record). NSF certified filters →
While Brookfield avoids WI's lowest safety tiers, a portion of its water systems have logged documented violations.
How Brookfield Compares
Data: EPA SDWIS
Key Facts for Brookfield Residents
- Your city's water systems recorded 24 violations in the past 5 years.
- Average lead level: 0.0024 mg/L.
- Homes built before 1986: 64% - older plumbing may contain lead solder.
- Estimated remediation: $1,833 per household.
- CDC health risk index: 11.81.
Brookfield's Water Providers
At present, 3 utilities serve the bulk of Brookfield, WI's residential water connections out of 5 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.
- C
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- C
Overview
We track home safety data for 3 ZIP codes in Brookfield, Wisconsin, covering 5 community water systems serving approximately 45,197 people. The EPA snapshots used for this build directly map water systems to 2 of 3 ZIP codes.
2 of 2 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. 11 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Brookfield: C (63/100)
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
Brookfield water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0024 mg/L (EPA action level: 0.015 mg/L)
- 0 of 2 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 3 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Gross Alpha | Radionuclides | 16 | 2 |
| Lead and Copper Rule | Treatment Technique | 8 | 2 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Lead | Inorganic | 3 | 2 |
| Gross Beta | Radionuclides | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 53045 | C | 22 | 11 | Brookfield Water Utility |
| 53005 | C | 8 | 1 | Brookfield Water Utility |
All ZIP Codes in Brookfield
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.
Brookfield Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Brookfield's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Brookfield Infrastructure Age
With 64% 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
When a city's housing median build year is 1975, as in Brookfield, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.
Over half of homes in Brookfield 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 Brookfield
Because property values in Brookfield comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Brookfield are relatively low compared to home values. The $883–$3,133 estimated range is a small fraction of median property value. Home values are 92% above the Wisconsin average.
Brookfield: Lead Risk & Vulnerable Populations
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.
When older housing represents 64% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Brookfield address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Brookfield: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Brookfield contains 68 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $14,620. 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>$1,833</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.
What You Can Do in Brookfield
- Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Gross Alpha can reduce the most common contaminant found in Brookfield's water.
- Check your home's plumbing. With 64% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Brookfield, WI