Cortlandt Manor, NY Water Safety: 85/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-04
Drinking water tracked for Cortlandt Manor 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 Cortlandt Manor Compares
Data: EPA SDWIS Last verified: 2026-06-04
What You Should Know About Cortlandt Manor Water
- Average lead level: 0.0014 mg/L.
- Homes built before 1986: 72% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 10.47.
Who Supplies Your Water in Cortlandt Manor
With 3 utilities splitting service in Cortlandt Manor, NY, water accountability is distributed across 4 systems on the federal record.
Overview
We track water quality and home safety data for 1 ZIP code in Cortlandt Manor, New York (population ~20,260), covering 4 community water systems serving approximately 65,878 people region-wide.
No EPA violations recorded across any ZIP codes in Cortlandt Manor — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Cortlandt Manor: A (85/100)
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
Cortlandt Manor water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0014 mg/L (EPA action level: 0.015 mg/L)
- 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 |
|---|---|---|---|
| 10567 | A | Cortlandt Consolidated Water District | 28,369 |
All ZIP Codes in Cortlandt Manor
- 10567 [A]
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 Cortlandt Manor
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 Cortlandt Manor
With 72% 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
The median home in Cortlandt Manor was built in 1962 — a figure that places most of the city's residential stock in the era when lead solder was still standard in copper plumbing. Homes built before 1986 may have lead-soldered joints; those built before 1970 face the additional possibility of lead pipes in the service line itself.
Over half of homes in Cortlandt Manor 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 Cortlandt Manor Homeowners
The household financial picture for Cortlandt Manor homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.
Remediation costs in Cortlandt Manor are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 47% above the New York average.
Lead Exposure Risk for Children in Cortlandt Manor
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.
In recent monitoring under the Lead and Copper Rule, citywide samples for Cortlandt Manor have approached or crossed the regulatory action level on multiple occasions. Combined with 72% of stock dating from the pre-rule era, the picture supports baseline single-tap reads as a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Cortlandt Manor
100% of ZIP codes in Cortlandt Manor are mapped into FEMA-designated flood zones, and the NFIP records 66 claims reflecting a multi-event flood history. That combination places local flood exposure in the range where water-quality implications deserve at least periodic attention.
Cortlandt Manor has a moderate flood history with 66 FEMA claims averaging $12,234 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>$1,200</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.
Deep Dive Reports
Detailed analysis for Cortlandt Manor, NY