North Babylon, NY Water Safety: 60/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
North Babylon, NY: mid-range safety grade, uneven compliance across service areas.
How North Babylon Compares
Data: EPA SDWIS Last verified: 2026-06-03
North Babylon Water: The Quick Version
- Homes built before 1986: 91% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 11.13.
Water Systems Serving North Babylon
At present, 2 utilities serve the bulk of North Babylon, NY's residential water connections out of 2 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.
Overview
We track water quality and home safety data for 1 ZIP code in North Babylon, New York (population ~17,205), covering 2 community water systems serving approximately 1,100,040 people region-wide.
No EPA violations recorded across any ZIP codes in North Babylon — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for North Babylon: C (60/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
North Babylon water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for North Babylon
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 11703 | C | SUFFOLK COUNTY WATER AUTHORITY | 1,100,000 |
All ZIP Codes in North Babylon
- 11703 [C]
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
Updated daily.
CDC Health Data for North Babylon
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
How Old Is North Babylon's Housing Stock?
With 91% 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
When a city's housing median build year is 1950, as in North Babylon, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.
Over half of homes in North Babylon 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.
North Babylon: Remediation Cost in Perspective
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in North Babylon is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in North Babylon 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 30% above the New York average.
Protecting Children from Lead in North Babylon
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.
Even where utility-side monitoring meets Lead and Copper Rule requirements, the 91% pre-rule share in North Babylon keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for North Babylon
Within the NFIP's national dataset, North Babylon falls in moderate-exposure territory — 53 documented incidents spanning multiple decades, with 100% of local ZIP codes sitting inside FEMA flood boundaries. That combination warrants inclusion in any thorough local water quality review.
North Babylon has a moderate flood history with 53 FEMA claims averaging $11,630 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$1,800</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in North Babylon
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 91% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for North Babylon, NY