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Water Hardness in 10570

Pleasantville, New York · Westchester County

67 PPM
3.9 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 20 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 20 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
17 verified treated-water sources
20 matched systems total for this ZIP; treated-water reports are prioritized when available.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 10570

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

20 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Yonkers City
NY5903465
Slightly Hard
65 PPMsurface water211,569 servedVerified — Annual Water Quality Report
Source water: 203 PPM
Veolia Water New York, Inc. Rd-1
NY5903444
Slightly Hard
65 PPMsurface water146,732 servedVerified — Annual Water Quality Report
Source water: 203 PPM
Mount Vernon Water Department
NY5903441
Slightly Hard
65 PPMsurface water73,893 servedVerified — Annual Water Quality Report
Source water: 186 PPM
Westchester Joint Water Works
NY5903435
Slightly Hard
65 PPMsurface water59,629 servedVerified — Annual Water Quality Report
Source water: 186 PPM
White Plains City
NY5903464
Slightly Hard
65 PPMsurface water59,559 servedVerified — Annual Water Quality Report
Source water: 186 PPM
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your Water

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Pleasantville, NY (10570).

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Frequently Asked Questions

Is the water hard in Pleasantville, NY (10570)?

The average water hardness in 10570 is 67 PPM (3.9 GPG), which is classified as slightly hard.

Do I need a water softener in 10570?

At 67 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 10570 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 10570?

Zip code 10570 in Pleasantville, New York is served by 20 water systems.

Learn More About Your Water