CITY REPORT NY 9 HEALTH VIOLATIONS

Chappaqua, NY: 11 Violations - Home Safety Score unavailable

1 ZIP code · 5 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
Zone 3
Radon Risk (Low)
$1.1M
Median Home Value
$1,200
Est. Remediation (0.1% of home value)

What You Should Know About Chappaqua Water

  • Your city's water systems recorded 11 violations in the past 5 years.
  • Average lead level: 0.0018 mg/L.
  • Homes built before 1986: 76% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 10.47.

Who Supplies Your Water in Chappaqua

Throughout Chappaqua, NY, water comes from one of 3 primary utilities out of 5 total systems - independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.

Overview

We track home safety data for 1 ZIP code in Chappaqua, New York (population ~12,227), covering 5 community water systems serving approximately 64,960 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 9 health-based violations appear in the available health breakdown.

Water Sources

Chappaqua water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0018 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 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Total Trihalomethanes (TTHM) Disinfection Byproducts 16 1
Consumer Confidence Report Rule Reporting 4 1
Contaminant 0700 Other 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
10514 11 9 New Castle/stanwood W.d.

All ZIP Codes in Chappaqua

  • 10514 - 11 violations ⚠

Data Sources

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

Health Outcomes in Chappaqua

9.3%
Asthma (US: 9.8%)
10.5%
Diabetes (US: 10.4%)
13.3%
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 9.3% ↓
Diabetes 10.5% ↑
Mental Health 13.3% ↓

Vertical line = national average. Above national · Below national

Top Contaminants in Chappaqua Water

Total Trihalomethanes (TTHM) 16 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure
Consumer Confidence Report Rule 4 violations
Reporting
Contaminant 0700 2 violations
Other

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Housing & Infrastructure in Chappaqua

1965
Median Build Year
76%
Built Before 1986
44%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 76% 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 Chappaqua was built in 1965 - 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.

1965
Median Year Built
76%
Pre-1986 (Lead Paint Risk)
44%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (44%) 1970–1986 (32%) Post-1986 (24%)

Over half of homes in Chappaqua 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 Chappaqua Homeowners

Equity impact data for Chappaqua lands in the favorable tier - remediation claims a small slice of what properties here are worth.

Median Home Value
$1.1M
Est. Remediation
$1,200
Remediation as % of home value 0.1%

Remediation costs in Chappaqua are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 195% above the New York average.

Lead Exposure Risk for Children in Chappaqua

76%
Homes Built Before 1986
0.0018
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.

Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet - and where 76% of Chappaqua homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.

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

Historical NFIP Claim Context in Chappaqua

144
Total FEMA Flood Claims
$12,661
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Chappaqua contains 144 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $12,661. 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>$1,200</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

How many water violations does Chappaqua have?
Chappaqua water systems have a total of 11 EPA violations, including 9 health-based violations. Violations are tracked across 1 ZIP code.
Does Chappaqua water have lead?
The average 90th-percentile lead level in Chappaqua is 0.0018 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 many water systems serve Chappaqua?
Chappaqua is served by 5 public water systems across 1 ZIP code, serving approximately 12,227 people.
How much does it cost to fix water issues in Chappaqua?
Estimated remediation costs in Chappaqua average $1,200 per household, ranging from $800 to $1,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew York → Chappaqua, NY

How to cite this page

APA ZipCheckup. (2026). Chappaqua, NY: 11 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/ny/chappaqua/
BibTeX
@misc{zipcheckup-cities-ny-chappaqua,
  author = {{ZipCheckup}},
  title  = {{Chappaqua, NY: 11 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ny/chappaqua/}
}

Page version: August 2026.

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