Uniondale, NY: 3 Health Violations - Home Safety 81/100
3 ZIP codes · 3 water systems · Updated
ZipCheckup grade for Uniondale: B.
This ZIP has a few items worth a quick check.
Uniondale, NY: a top-two-band grade.
How Uniondale Compares
Data: EPA SDWIS
Uniondale Water: The Quick Version
- Your city's water systems recorded 4 violations since 2021.
- Average of reported 90th-percentile lead results: 0.001 mg/L.
- Estimated remediation: $1,100 per household.
- Health risk index (ZipCheckup composite of CDC data): 10.69.
Water Systems Serving Uniondale
Service in Uniondale, NY can differ by address: 3 water systems are tied to the area in federal records, and the 3 largest are listed with their violation records.
- B
- B
- B
Overview
We track home safety data for 3 ZIP codes in Uniondale, New York (population ~28,344), covering 3 community water systems serving approximately 301,000 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 3 ZIP codes.
1 of 2 ZIP codes with a reported violation count in the available EPA record (50%) have recorded EPA violations. 3 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Uniondale: 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
Uniondale water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0010 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
3 of 3 ZIP records with known zones are in EPA Radon Zone 3.
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 |
|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | 6 | 1 |
| Lead and Copper Rule Revisions | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 11553 | B | 4 | 3 | Town of Hempstead Water Department |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 11556 | — | Town of Hempstead Water Department | 110,000 |
All ZIP Codes in Uniondale
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.
CDC Health Data for Uniondale
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
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Uniondale
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Uniondale: Remediation Cost in Perspective
This section sets two area figures side by side for Uniondale: 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.
Estimated remediation costs in Uniondale can be compared with local home values. The $600–$2,300 estimated range can be set against the median property value; actual costs vary by home. Home values are 34% above the New York average.
Protecting Children from Lead in Uniondale
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.
Available area-level lead records for Uniondale do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Uniondale
Historical NFIP data for Uniondale contains 19 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $5,053. 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 $1,100 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.
Deep Dive Reports
Detailed analysis for Uniondale, NY