CITY REPORT NY

Port Jefferson Station, NY Water - Home Safety 83/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Port Jefferson Station: B.

This ZIP looks solid, with a few items worth a quick check.

Drinking water tracked for Port Jefferson Station by NY authorities posts above-average scores - the majority of systems are free from health-based exceedances and the city's grade sits above the state median.

How Port Jefferson Station Compares

Port Jefferson Station83/100
New York avg84/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
B · 83
Avg Safety Score
Zone 1
Radon Risk (High)
$463K
Median Home Value
$3,000
Est. Remediation (0.7% of home value)

Key Facts for Port Jefferson Station Residents

  • Average lead level: 0.0013 mg/L.
  • Homes built before 1986: 69% - older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 11.13.

Port Jefferson Station's Water Providers

For most households in Port Jefferson Station, NY, tap water comes from one provider - the utility that controls the local distribution system out of 1 tracked in federal record.

Overview

We track home safety data for 1 ZIP code in Port Jefferson Station, New York (population ~23,629), covering 1 community water system serving approximately 1,100,000 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Port Jefferson Station: 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

Port Jefferson Station 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 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Areas with No Violations

ZIP Code Safety Score System Population
11776 B Suffolk County Water Authority 1,100,000

All ZIP Codes in Port Jefferson Station

Data Sources

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

Port Jefferson Station Community Health Snapshot

10.2%
Asthma (US: 9.8%)
10%
Diabetes (US: 10.4%)
14.4%
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 10.2% ↑
Diabetes 10% ↓
Mental Health 14.4% ↓

Vertical line = national average. Above national · Below national

Port Jefferson Station Infrastructure Age

1974
Median Build Year
69%
Built Before 1986
16%
Built Before 1970
Copper
Likely Pipe Material

With 69% 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

For residents trying to assess tap water risk in Port Jefferson Station, the median build year of 1974 is the starting context. It signals that a majority of homes were constructed before 1986 - the year federal rules prohibited lead solder in new plumbing - and that a significant share likely predates 1970, when lead pipes were still a common choice for residential service connections. Neither risk tier is rare in this housing inventory.

1974
Median Year Built
69%
Pre-1986 (Lead Paint Risk)
16%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (16%) 1970–1986 (53%) Post-1986 (31%)

Over half of homes in Port Jefferson Station 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 Port Jefferson Station

Setting Port Jefferson Station 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.

Median Home Value
$462,500
Est. Remediation
$3,000
Remediation as % of home value 0.7%

Remediation costs in Port Jefferson Station are relatively low compared to home values. The $2,000–$4,100 estimated range is a small fraction of median property value. Home values are 28% above the New York average.

Port Jefferson Station: Lead Risk & Vulnerable Populations

69%
Homes Built Before 1986
0.0013
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 Port Jefferson Station - 69% 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.

Port Jefferson Station: NFIP Claim Records and Water-Quality Context

23
Total FEMA Flood Claims
$7,263
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Port Jefferson Station contains 23 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $7,263. 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

What does the Home Safety Score mean for Port Jefferson Station, NY?
Port Jefferson Station has an average Home Safety Score of 83/100 (Grade B) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Port Jefferson Station water have lead?
The average 90th-percentile lead level in Port Jefferson Station is 0.0013 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 does Port Jefferson Station compare to New York average?
Port Jefferson Station has an average Home Safety Score of 83/100, which is below the New York state average of 84/100 for the same model series.
How many water systems serve Port Jefferson Station?
Port Jefferson Station is served by 1 public water system across 1 ZIP code, serving approximately 23,629 people.
How much does it cost to fix water issues in Port Jefferson Station?
Estimated remediation costs in Port Jefferson Station average $3,000 per household, ranging from $2,000 to $4,100. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew York → Port Jefferson Station, NY

How to cite this page

APA ZipCheckup. (2026). Port Jefferson Station, NY Water - Home Safety 83/100. https://zipcheckup.com/cities/ny/port-jefferson-station/
BibTeX
@misc{zipcheckup-cities-ny-port-jefferson-station,
  author = {{ZipCheckup}},
  title  = {{Port Jefferson Station, NY Water - Home Safety 83/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ny/port-jefferson-station/}
}

Page version: August 2026.

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