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Water Hardness in 12446

Kerhonkson, New York · Ulster County

200 PPM
11.7 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 4 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 4 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
4 USGS-backed sources
4 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 12446

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.

4 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.
Kingston (City) Water District
NY5503374
Hard
202 PPMsurface water24,000 servedHigh Confidence — USGS Monitoring
Hudson Valley Resort & Spa
NY5507116
Soft
40 PPMsurface water265 servedHigh Confidence — USGS Monitoring
Hasbrouck Estates Mhp
NY5221877
Moderately Hard
131 PPMgroundwater66 servedHigh Confidence — USGS Monitoring
Zolota Osin Inc
NY5503748
Moderately Hard
131 PPMgroundwater50 servedHigh Confidence — USGS Monitoring

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.

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 Kerhonkson, NY (12446).

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Frequently Asked Questions

Is the water hard in Kerhonkson, NY (12446)?

The average water hardness in 12446 is 200 PPM (11.7 GPG), which is classified as hard.

Do I need a water softener in 12446?

With hardness of 200 PPM, a water softener is recommended for homes in 12446.

Is hard water in 12446 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 12446?

Zip code 12446 in Kerhonkson, New York is served by 4 water systems.

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