Cold Spring Harbor, NY: 28 Violations - Home Safety 83/100
1 ZIP code · 2 water systems · Updated
ZipCheckup grade for Cold Spring Harbor: B.
This ZIP looks solid, with a few items worth a quick check.
The water systems supplying Cold Spring Harbor show a track record of above-average compliance with federal standards - consistently among the better performers in NY.
How Cold Spring Harbor Compares
Data: EPA SDWIS
Cold Spring Harbor Water: The Quick Version
- Your city's water systems recorded 28 violations in the past 5 years.
- Average lead level: 0.0013 mg/L.
- Homes built before 1986: 84% - older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 11.13.
Water Systems Serving Cold Spring Harbor
Residential water service in Cold Spring Harbor, NY is divided among 2 separate utilities, drawn from 2 systems on file with federal regulators.
- B
- B
Overview
We track home safety data for 1 ZIP code in Cold Spring Harbor, New York (population ~2,956), covering 2 community water systems serving approximately 1,181,760 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.
Home Safety Score
Average Home Safety Score for Cold Spring Harbor: B (83/100)
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
Cold Spring Harbor 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 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Contaminant 2005 | Other | 2 | 1 |
| Contaminant 2010 | Other | 2 | 1 |
| Contaminant 2015 | Other | 2 | 1 |
| Contaminant 2020 | Other | 2 | 1 |
| Contaminant 2031 | Other | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 11724 | B | 28 | 0 | Suffolk County Water Authority |
All ZIP Codes in Cold Spring Harbor
- 11724 [B] - 28 violations
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 Cold Spring Harbor
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
Key Contaminants Detected in Cold Spring Harbor
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Cold Spring Harbor's Housing Stock?
With 84% 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
While newer cities carry lower aggregate plumbing risk from lead-era construction, Cold Spring Harbor sits firmly in the older category. The median build year of 1952 indicates that more than half the housing stock was built before 1986, when lead solder was still legally used in residential copper plumbing - and a substantial portion likely predates 1970, when lead pipes were still commonly installed for service lines. These two thresholds together define the elevated plumbing risk environment that older housing cities carry, independent of what the municipal water supply delivers to the meter.
Over half of homes in Cold Spring Harbor 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.
Cold Spring Harbor: Remediation Cost in Perspective
Setting Cold Spring Harbor remediation figures against its property market, the resulting ratio sits comfortably in the low tier - a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.
Remediation costs in Cold Spring Harbor are relatively low compared to home values. The $1,200–$2,600 estimated range is a small fraction of median property value. Home values are 334% above the New York average.
Protecting Children from Lead in Cold Spring Harbor
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.
Wherever 84% of local housing was built before solder rules changed - as is the case in Cold Spring Harbor - a faucet-level sample closes the gap that aggregate utility data cannot.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Cold Spring Harbor
Historical NFIP data for Cold Spring Harbor contains 18 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $13,223. 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>$1,800</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.
Deep Dive Reports
Detailed analysis for Cold Spring Harbor, NY