Melville, NY: 29 Violations - Home Safety 100/100
2 ZIP codes · 3 water systems · Updated
ZipCheckup grade for Melville: A.
Checked records flag no major concern; missing data is unknown.
Melville, NY scores in the upper band of the ZipCheckup grade.
How Melville Compares
Data: EPA SDWIS
What You Should Know About Melville Water
- Your city's water systems recorded 29 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0013 mg/L.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 11.13.
Who Supplies Your Water in Melville
The 3 largest of 3 systems connected with Melville, NY are listed below.
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Overview
We track home safety data for 2 ZIP codes in Melville, New York (population ~19,826), covering 3 community water systems serving approximately 1,216,282 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 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.
Home Safety Score
Average Home Safety Score for Melville: A (100/100)
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
Melville water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 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
2 of 2 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 |
|---|---|---|---|
| Endrin | Organic | 2 | 1 |
| BHC-gamma (Lindane) | Organic | 2 | 1 |
| Methoxychlor | Organic | 2 | 1 |
| Toxaphene | Organic | 2 | 1 |
| Dalapon | Organic | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 11747 | A | 29 | 0 | South Huntington Water District |
All ZIP Codes in Melville
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.
Health Outcomes in Melville
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
Top Contaminants in Melville Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Melville Homeowners
Because the median home value in Melville is large relative to the estimated cost of remediation, the ratio between them stays at or below 1%; that is a statement about two area-level numbers, not a quote for a particular house or a judgment about what an owner can pay.
Estimated remediation costs in Melville can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 106% above the New York average.
Lead Exposure Risk for Children in Melville
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 Melville 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 NFIP Claim Context in Melville
Historical NFIP data for Melville contains 79 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $15,366. Among ZIP codes with claim records, 50% 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 $500 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 Melville, NY