Water Quality in New Rochelle, NY: 40 Violations — Grade D
Grade D · Score 47/100 · 3 water systems · Updated 2026-05-03
New Rochelle's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
EPA monitoring has flagged 40 reportable events for water systems in New Rochelle, NY.
Water Quality by ZIP Code in New Rochelle
Water quality varies across New Rochelle's 4 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 10801 | C | 69 | 10 | 5 | View report → |
| 10804 | C | 69 | 10 | 5 | View report → |
| 10805 | B | 74 | 10 | 5 | View report → |
| 10802 | A | 85 | 10 | 5 | View report → |
Violation Trend
EPA violations recorded for water systems serving New Rochelle.
Water Quality Overview
New Rochelle, New York receives a water quality grade of D with an overall score of 47 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 3 water systems serving New Rochelle have accumulated 40 EPA violations, including 20 health-based violations. These violations are tracked across 4 ZIP codes serving approximately 6,035 people.
What Grade D Means
A grade of D indicates significant compliance issues. New Rochelle's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.
Lead Levels
The average 90th percentile lead level across New Rochelle water systems is 0.0034 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 86% of homes built before 1986, New Rochelle has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
New Rochelle is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving New Rochelle
New Rochelle is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 6,035 people across 4 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 40 enforcement actions against water systems serving New Rochelle. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in New Rochelle
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in New Rochelle Water Systems
The following contaminants have been detected or caused violations across New Rochelle's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 20 | 4 | Yes |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving New Rochelle:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2021 | 8 | 8 |
| 2022 | 12 | 12 |
Violations have increased from 8 in 2021 to 12 in 2022. This trend warrants monitoring.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving New Rochelle. Recent actions:
| Date | Action Type |
|---|---|
| 2024-05-29 | State Informal Action |
| 2024-05-29 | State Order Extension |
| 2024-04-25 | State Order Extension |
| 2024-03-08 | State Filed Judgment |
| 2024-03-08 | State Informal Enforcement |
| 2024-03-08 | State Order Extension |
| 2023-12-14 | State Informal Enforcement |
| 2023-12-14 | State Filed Judgment |
| 2023-02-27 | State Filed Judgment |
| 2023-02-27 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2024-05-29.
New Rochelle vs. Nearby New York Cities
How New Rochelle's water quality compares to similar cities in New York:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| New Rochelle | D | 40 | 3 | 6,035 |
| Bath | C | 7 | 5 | 6,059 |
| Avon | C | 5 | 3 | 6,060 |
| Waterport | B | 0 | 1 | 6,000 |
Water Quality by ZIP Code in New Rochelle
Water quality varies across New Rochelle's ZIP codes. The table below shows the worst-scoring and best-scoring areas:
| ZIP Code | Score | Grade | Violations | Health-Based |
|---|---|---|---|---|
| 10801 | 69 | C | 10 | 5 |
| 10804 | 69 | C | 10 | 5 |
| 10805 | 74 | B | 10 | 5 |
| 10802 | 85 | A | 10 | 5 |
Common Questions About New Rochelle Water
These are the most common questions residents search for about water quality in New Rochelle, New York:
Is New Rochelle water hard or soft? Water hardness varies by source. New Rochelle's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink New Rochelle tap water? New Rochelle's water receives a grade of D (47/100). There are 20 health-based violations — consider filtration.
What is the best water filter for New Rochelle? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
New Rochelle vs. New York Average
Understanding how New Rochelle compares to the broader New York average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within New Rochelle.
ZIP Codes in New Rochelle
New Rochelle spans 4 ZIP codes. The ZIP with the lowest water quality score is 10801. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
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
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.