Is tap water safe in White Plains?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

How hard is the water in White Plains, NY?

Nearby USGS observations produce an estimate of 85.6 ppm (5 grains per gallon), classified as moderately hard. This is not a tap measurement.

Do I need a water softener in ZIP code 10601?

There is no high-hardness trigger in this profile. Confirm conditions with an at-home hardness test before purchasing equipment.

City water profile

White Plains water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for White Plains, New York.

Median indexed hardness

85PPM

4 indexed ZIPs

Range 83–85.6 PPM

State comparison: 35 PPM below
State hardness rank: #28 of 55
Matched utilities: 1
Active health records: 0

City summary

What the indexed records say

White Plains has 4 published ZIP profiles across Westchester County. The indexed median is 85 PPM, compared with 120 PPM across New York.

Among the 55 New Yorkcities with an indexed median, White Plains ranks #28from highest to lowest. Across all 132 state ZIP profiles, available estimates run from 7.2to 290 PPM.

The 83–85.6 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard4 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

4 of 4 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 5.8 miles
Profiles with evidence: 4/4

Confidence labels

High: 0Moderate: 4Low: 0

White Plains City

PWSID NY5903464

Surface water

System population served: 59,559
Last reported: Jun 25, 2026

A municipal system, in-state city, and served county all agree with this Census ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

No violation records are included in the current lookback window.

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other New York communities

Irvington

Westchester County

81 PPM median

Mount Kisco

Westchester County

84 PPM median

Mount Vernon

Westchester County

83 PPM median

Ossining

Westchester County

86 PPM median

Peekskill

Westchester County

89 PPM median

Scarsdale

Westchester County

84 PPM median

Search all 55 New York cities →

Questions people ask

About water in White Plains

Is the water hard?

The indexed city median is 85 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.