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Water Hardness in 12561

Mohonk Lake, New York · Ulster County

187 PPM
10.9 GPG
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
8 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 12561

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.
Kingston (City) Water District
NY5503374
Hard
202 PPMsurface water24,000 servedHigh Confidence — USGS Monitoring
New Paltz (Village) Water Dist
NY5503379
Moderately Hard
143 PPMsurface water7,523 servedHigh Confidence — USGS Monitoring
Lake Mohonk Mountain House
NY5519179
Moderately Hard
143 PPMsurface water880 servedHigh Confidence — USGS Monitoring
New Paltz (Town) Water Distric
NY5515690
Moderately Hard
143 PPMsurface water810 servedHigh Confidence — USGS Monitoring
New Paltz Center For Rehab And Nursing
NY5503752
Very Hard
259 PPMgroundwater179 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.

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 Mohonk Lake, NY (12561).

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Frequently Asked Questions

Is the water hard in Mohonk Lake, NY (12561)?

The average water hardness in 12561 is 187 PPM (10.9 GPG), which is classified as hard.

Do I need a water softener in 12561?

With hardness of 187 PPM, a water softener is recommended for homes in 12561.

Is hard water in 12561 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 12561?

Zip code 12561 in Mohonk Lake, New York is served by 8 water systems.

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