Where does the water in 12473 come from?

Water for zip code 12473 in Round Top, New York is provided by 1 water system. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 12473

Round Top, New York · Greene County

65 PPM

3.8 GPG

Slightly Hard

0Soft60120180300+

Verified - Annual Water Quality Report

Dataset updated March 9, 2026Matched to 1 water systemTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 1 matched water system. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis

1 verified treated-water source

1 matched system 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 12473

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.

1 water system

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.

Water System	Source	Hardness	Pop. Served	Data Source
New York City System NY7003493	surface water	65 PPM Slightly Hard USGS estimate: 186 PPM	8,271,000	Verified - Annual Water Quality Report

New York City System

NY7003493

Slightly Hard

65 PPMsurface water8,271,000 servedVerified - Annual Water Quality Report

Source water: 186 PPM

Nearby Zip Codes

1247065 1241314 1248284 1242465 1240565 1246365 1245165 1241411 1245465 1243165 1248514 1205865

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

Methodology Data sources 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 Round Top, NY (12473).

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Frequently Asked Questions

Is the water hard in Round Top, NY (12473)?

The average water hardness in 12473 is 65 PPM (3.8 GPG), which is classified as slightly hard.

Do I need a water softener in 12473?

At 65 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 12473 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 12473?

Zip code 12473 in Round Top, New York is served by 1 water system.