Water Quality in Yonkers, NY (10504)
EPA violation data for public water systems serving ZIP code 10504.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 15 monitoring/reporting violations.
More violations than 74% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,665
Population
63
Water Systems
16
Violations (5yr)
1
Health-Based
Location
Loading map...
Water Systems Serving This Area (63)
Yonkers City
Veolia Water New York, Inc. Rd-1
All resolvedNorth Castle Water District #1
Ibm Corporate Headquarters
North Castle Water District #4
North Castle Water District #2
Swiss Re Of America
All resolvedByram Hills High School
H C Crittenden Middle School
Breezemont Day Camp
West Patent Elementary School
North Castle Pool &Tennis Club
Wampus School
Armonk Shopping Center
North Castle Water District #5
Armonk Alliance Church
All resolvedRamada Inn N/K/A Wellesley Inn
The Pink Elephant
Church Of St. Patrick
Wampus Lake American Inn
Armonk Tennis Club
Cider Mill Inn
Heraeus Kulzer, Inc.
Banksville Golf Club
La Scala
Tutor Time Learning Center
Moderne Barn
North Castle Water District #8
Caps/Shell Station
Cinemagnetics Co.,Inc.
Armonk United Methodist Church
North Castle Water District #7
Green Sleeves
Bambina'S Restaurant
St Stephens Episcopal Church
Aero Hardware & Parts Co., Inc
Banksville Discount Center
Tots And Toddlers Day Care
84 Business Park Drive
Montessori Room
David Chen'S Restaurant
Di Giacinto Building-Armonk
Willow Inn
80 Business Park Drive
Worlds Best Cheeses
Montessori Children Room 67
Armonk Fire District #2
All resolvedSawmill Pharmacy Inc
Cardile Enterprises Ltd.
Walter Karl Inc.
Informational Displays Inc.
Schultzes Cider Mill
Xerox Reproduction Center
Citigroup Exec. Planning Center
All resolvedSaint Nersess Armenian Seminary
Congregation Bnai Israel
Church Of St Patrick Of Armonk
Town Hall Annex-North Castle
Lombardi Park
1 health-basedRidge Enterprises Inc
Middle Patent Estates
Banksville Discount Center
Tele Resources
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Yonkers (10504) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 16.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.