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Water Hardness in 12546

Millerton, New York · Dutchess County

139 PPM
8.1 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 8 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 8 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
5 USGS-backed sources
8 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 12546

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.

8 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.
Poughkeepsie Townwide Wd
NY1302812
Moderately Hard
151 PPMsurface water43,000 servedHigh Confidence — USGS Monitoring
Poughkeepsie City
NY1330291
Moderately Hard
143 PPMsurface water30,639 servedHigh Confidence — USGS Monitoring
Beacon City
NY1302760
Slightly Hard
105 PPMsurface water14,370 servedHigh Confidence — USGS Monitoring
United Wappinger Water Improvement Dist.
NY1330660
Slightly Hard
105 PPMsurface water14,000 servedHigh Confidence — USGS Monitoring
Millerton Village
NY1302771
Very Hard
262 PPMgroundwater2,000 servedHigh Confidence — USGS Monitoring
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.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Millerton, NY (12546).

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Frequently Asked Questions

Is the water hard in Millerton, NY (12546)?

The average water hardness in 12546 is 139 PPM (8.1 GPG), which is classified as moderately hard.

Do I need a water softener in 12546?

With hardness of 139 PPM, a water softener is worth considering for homes in 12546.

Is hard water in 12546 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 12546?

Zip code 12546 in Millerton, New York is served by 8 water systems.

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