Water systems serving New York hold a strong EPA compliance record — the city places among the better-performing areas in NY with few health-based violations on file.

Data: EPA SDWIS Last verified: 2026-06-03

Water Quality Map: New York, NY

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Overview

We track water quality and home safety data for 159 ZIP codes in New York, New York (population ~1,617,259), covering 4 community water systems serving approximately 8,271,405 people region-wide.

159 of 159 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for New York: B (79/100)

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

New York water systems draw from: Groundwater, Surface water.

Lead & Copper

• Average lead level (90th percentile): 0.0100 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)

• Zone 1 (High): 2 ZIP codes
• Zone 2 (Moderate): 0 ZIP codes
• Zone 3 (Low): 155 ZIP codes

Top Contaminants

Areas with Most Violations

All ZIP Codes in New York

• 10001 [B] — 4 violations
• 10002 [B] — 4 violations
• 10003 [B] — 4 violations
• 10004 [B] — 4 violations
• 10005 [B] — 4 violations
• 10006 [B] — 4 violations
• 10007 [B] — 4 violations
• 10008 [B] — 4 violations
• 10009 [B] — 4 violations
• 10010 [B] — 4 violations
• 10011 [B] — 4 violations
• 10012 [B] — 4 violations
• 10013 [B] — 4 violations
• 10014 [B] — 4 violations
• 10015 [B] — 4 violations
• 10016 [B] — 4 violations
• 10017 [B] — 4 violations
• 10018 [B] — 4 violations
• 10019 [B] — 4 violations
• 10020 [B] — 4 violations
• 10021 [B] — 4 violations
• 10022 [B] — 4 violations
• 10023 [B] — 4 violations
• 10024 [B] — 4 violations
• 10025 [B] — 4 violations
• 10026 [B] — 4 violations
• 10027 [B] — 4 violations
• 10028 [B] — 4 violations
• 10029 [B] — 4 violations
• 10030 [B] — 4 violations
• 10031 [B] — 4 violations
• 10032 [C] — 4 violations
• 10033 [C] — 4 violations
• 10034 [B] — 4 violations
• 10035 [B] — 4 violations
• 10036 [B] — 4 violations
• 10037 [B] — 4 violations
• 10038 [B] — 4 violations
• 10039 [B] — 4 violations
• 10040 [B] — 4 violations
• 10041 [B] — 4 violations
• 10043 [B] — 4 violations
• 10044 [B] — 4 violations
• 10045 [B] — 4 violations
• 10047 [B] — 4 violations
• 10055 [B] — 4 violations
• 10060 [B] — 4 violations
• 10065 [B] — 4 violations
• 10069 [B] — 4 violations
• 10075 [B] — 4 violations
• 10079 [B] — 4 violations
• 10080 [B] — 4 violations
• 10081 [B] — 4 violations
• 10082 [B] — 4 violations
• 10087 [B] — 4 violations
• 10090 [B] — 4 violations
• 10095 [B] — 4 violations
• 10096 [B] — 4 violations
• 10098 [B] — 4 violations
• 10099 [B] — 4 violations
• 10101 [B] — 4 violations
• 10102 [B] — 4 violations
• 10103 [B] — 4 violations
• 10104 [B] — 4 violations
• 10105 [B] — 4 violations
• 10106 [B] — 4 violations
• 10107 [B] — 4 violations
• 10108 [B] — 4 violations
• 10109 [B] — 4 violations
• 10110 [B] — 4 violations
• 10111 [B] — 4 violations
• 10112 [B] — 4 violations
• 10113 [B] — 4 violations
• 10114 [B] — 4 violations
• 10115 [B] — 4 violations
• 10116 [B] — 4 violations
• 10117 [B] — 4 violations
• 10118 [B] — 4 violations
• 10119 [B] — 4 violations
• 10120 [B] — 4 violations
• 10121 [B] — 4 violations
• 10122 [B] — 4 violations
• 10123 [B] — 4 violations
• 10124 [B] — 4 violations
• 10125 [B] — 4 violations
• 10126 [B] — 4 violations
• 10128 [B] — 4 violations
• 10129 [B] — 4 violations
• 10130 [B] — 4 violations
• 10131 [B] — 4 violations
• 10132 [B] — 4 violations
• 10133 [B] — 4 violations
• 10138 [B] — 4 violations
• 10150 [B] — 4 violations
• 10151 [B] — 4 violations
• 10152 [B] — 4 violations
• 10153 [B] — 4 violations
• 10154 [B] — 4 violations
• 10155 [B] — 4 violations
• 10156 [B] — 4 violations
• 10157 [B] — 4 violations
• 10158 [B] — 4 violations
• 10159 [B] — 4 violations
• 10160 [B] — 4 violations
• 10161 [B] — 4 violations
• 10162 [B] — 4 violations
• 10163 [B] — 4 violations
• 10164 [B] — 4 violations
• 10165 [B] — 4 violations
• 10166 [B] — 4 violations
• 10167 [B] — 4 violations
• 10168 [B] — 4 violations
• 10169 [B] — 4 violations
• 10170 [B] — 4 violations
• 10171 [B] — 4 violations
• 10172 [B] — 4 violations
• 10173 [B] — 4 violations
• 10174 [B] — 4 violations
• 10175 [B] — 4 violations
• 10176 [B] — 4 violations
• 10177 [B] — 4 violations
• 10178 [B] — 4 violations
• 10179 [B] — 4 violations
• 10184 [B] — 4 violations
• 10185 [B] — 4 violations
• 10196 [B] — 4 violations
• 10199 [B] — 4 violations
• 10200 [D] — 4 violations
• 10203 [B] — 4 violations
• 10211 [B] — 4 violations
• 10212 [B] — 4 violations
• 10213 [B] — 4 violations
• 10242 [B] — 4 violations
• 10249 [B] — 4 violations
• 10256 [B] — 4 violations
• 10257 [B] — 4 violations
• 10258 [B] — 4 violations
• 10259 [B] — 4 violations
• 10260 [B] — 4 violations
• 10261 [B] — 4 violations
• 10265 [B] — 4 violations
• 10268 [B] — 4 violations
• 10269 [B] — 4 violations
• 10270 [B] — 4 violations
• 10271 [B] — 4 violations
• 10272 [B] — 4 violations
• 10273 [B] — 4 violations
• 10274 [B] — 4 violations
• 10275 [B] — 4 violations
• 10276 [B] — 4 violations
• 10277 [B] — 4 violations
• 10278 [B] — 4 violations
• 10279 [B] — 4 violations
• 10280 [B] — 4 violations
• 10281 [B] — 4 violations
• 10282 [B] — 4 violations
• 10285 [B] — 4 violations
• 10286 [B] — 4 violations
• 10292 [B] — 4 violations

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.

Cost Context: What Remediation Means for New York Homeowners

Remediation costs in New York are small relative to typical property values — the cost-to-value ratio here is favorable.

Median Home Value

$1.0M

Est. Remediation

$1,831

Remediation as % of home value 0.2%

Remediation costs in New York are relatively low compared to home values. The $1,233–$2,447 estimated range is a small fraction of median property value. Home values are 187% above the New York average.

Lead Exposure Risk for Children in New York

0.01

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.

Lead risk in New York appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.

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

Flood & Climate Risk in New York

Across the years captured by NFIP data, New York has logged 1679 flood insurance claims and carries 35% of its ZIP codes within FEMA-designated flood zones — a sustained record consistent with high flood exposure. The water quality implications run through several pathways: treatment systems repeatedly stressed by high-volume intake, private wells in FEMA zones facing recurring infiltration risk, and distribution infrastructure that has likely experienced multiple backflow episodes during large events.

1,679

Total FEMA Flood Claims

$43,434

Avg Claim Payout

35%

ZIPs in FEMA Flood Zones

~84

Est. Claims/Year

New York has a significant flood history with 1,679 FEMA flood insurance claims on record, averaging $43,434 per claim. With 35% 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>$1,831</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.