Cedarhurst, NY Water Safety: 55/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Safe water is the norm across most of Cedarhurst, NY — but documented violations push the city to the middle safety tier.
How Cedarhurst Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Cedarhurst Water
- Homes built before 1986: 94% — older plumbing may contain lead solder.
- Estimated remediation: $3,100 per household.
- CDC health risk index: 10.69.
Who Supplies Your Water in Cedarhurst
Cedarhurst, NY draws its residential water from 2 separate providers among the 2 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 1 ZIP code in Cedarhurst, New York (population ~8,733), covering 2 community water systems serving approximately 255,000 people region-wide.
No EPA violations recorded across any ZIP codes in Cedarhurst — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Cedarhurst: C (55/100)
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
Cedarhurst water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Cedarhurst
- 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 |
|---|---|---|---|
| 11516 | C | Liberty Utilities New York - Lynbrook | 220,000 |
All ZIP Codes in Cedarhurst
- 11516 [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.
Health Outcomes in Cedarhurst
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
Housing & Infrastructure in Cedarhurst
With 94% 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
Cedarhurst's housing stock is predominantly older, with a median build year of 1957 that reflects decades of construction before federal plumbing standards were tightened. The 1986 ban on lead solder and the pre-1970 era of lead service lines are both relevant benchmarks here — a significant share of the residential inventory predates one or both of those cutoffs, creating an elevated baseline for plumbing-related lead risk that aggregate water quality data may not fully reflect at the household level.
Over half of homes in Cedarhurst 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.
Cost Context: What Remediation Means for Cedarhurst Homeowners
Low proportionality — that's the Cedarhurst picture when remediation costs are placed against typical home equity.
Remediation costs in Cedarhurst are relatively low compared to home values. The $2,200–$4,800 estimated range is a small fraction of median property value. Home values are 126% above the New York average.
Lead Exposure Risk for Children in Cedarhurst
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.
94% of Cedarhurst housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark — household-level confirmation through a draw-test kit fits the local picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Cedarhurst
Because Cedarhurst's NFIP claim count reaches 563 and 100% of ZIP codes fall within FEMA-designated flood zones, flood exposure here operates differently than it does in lower-claim communities. In areas with isolated flood events, water-quality infrastructure can typically absorb the stress and recover between events. In communities with repeated high-volume flooding, treatment plants face recurring overload conditions, private wells in FEMA-designated zones accumulate repeated infiltration episodes, and distribution systems experience repeated pressure events that can drive backflow. The claim record for this area points to that second category: a flood environment where water infrastructure stress is periodic and documented, not theoretical.
Cedarhurst has a significant flood history with 563 FEMA flood insurance claims on record, averaging $52,064 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
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>$3,100</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 Cedarhurst
- 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 94% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Cedarhurst, NY