CITY REPORT NY

East Marion, NY: High Radon Risk - Home Safety 83/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for East Marion: B.

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

Water systems in East Marion, NY serve households with few reported safety events.

How East Marion Compares

East Marion83/100
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)
$831K
Median Home Value
$3,000
Est. Remediation (0.4% of home value)

Key Facts for East Marion Residents

  • Average lead level: 0.0013 mg/L.
  • Homes built before 1986: 66% - older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 11.13.

East Marion's Water Providers

With one provider handling most of East Marion's residential supply in NY, water service accountability is concentrated in a single utility among the 1 system on record.

Overview

We track home safety data for 1 ZIP code in East Marion, New York (population ~1,741), 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 East Marion: 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

East Marion 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
11939 B Suffolk County Water Authority 1,100,000

All ZIP Codes in East Marion

Data Sources

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

East Marion 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

East Marion Infrastructure Age

1961
Median Build Year
66%
Built Before 1986
44%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 66% 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

Two dates define the high-risk tiers of residential plumbing from a lead standpoint: 1970, before which lead pipes were commonly installed for service connections, and 1986, before which lead solder was standard in copper plumbing. A median build year of 1961 places East Marion's housing distribution well within that older risk zone. The bar chart above breaks down how much of the stock falls into each era - and the pre-1986 share alone represents more than half the residential inventory, making plumbing-era risk a defining characteristic of the local water safety picture.

1961
Median Year Built
66%
Pre-1986 (Lead Paint Risk)
44%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (44%) 1970–1986 (22%) Post-1986 (34%)

Over half of homes in East Marion 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 East Marion

Remediation costs in East Marion are small relative to typical property values - the cost-to-value ratio here is favorable.

Median Home Value
$830,900
Est. Remediation
$3,000
Remediation as % of home value 0.4%

Remediation costs in East Marion 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 129% above the New York average.

East Marion: Lead Risk & Vulnerable Populations

66%
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.

Households with kids in the home - for whom CDC guidance places particular weight on minimizing exposure - face a specific local picture in East Marion. 66% of homes here come from the pre-rule era, and aggregate utility samples either approach or cross 0.015 mg/L. A baseline draw-test kit and certified lead-removal filtration are available via retailer networks for households confirming conditions at a specific tap.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

East Marion: NFIP Claim Records and Water-Quality Context

120
Total FEMA Flood Claims
$26,279
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for East Marion contains 120 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $26,279. Among ZIP codes with claim records, 100% 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 East Marion, NY?
East Marion 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 East Marion water have lead?
The average 90th-percentile lead level in East Marion 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 East Marion compare to New York average?
East Marion 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 East Marion?
East Marion is served by 1 public water system across 1 ZIP code, serving approximately 1,741 people.
How much does it cost to fix water issues in East Marion?
Estimated remediation costs in East Marion average $3,000 per household, ranging from $2,000 to $4,100. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew York → East Marion, NY

How to cite this page

APA ZipCheckup. (2026). East Marion, NY: High Radon Risk - Home Safety 83/100. https://zipcheckup.com/cities/ny/east-marion/
BibTeX
@misc{zipcheckup-cities-ny-east-marion,
  author = {{ZipCheckup}},
  title  = {{East Marion, NY: High Radon Risk - Home Safety 83/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ny/east-marion/}
}

Page version: August 2026.

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