WH

Water Hardness in 12449

Lake Katrine, New York · Ulster County

202 PPM
11.8 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 12449

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
Ulster Water District
NY5503390
Hard
202 PPMsurface water5,500 servedHigh Confidence — USGS Monitoring
Glenerie Water District
NY5530247
Hard
202 PPMsurface water410 servedHigh Confidence — USGS Monitoring
Halcyon Park Water District
NY5503391
Hard
202 PPMgroundwater402 servedHigh Confidence — USGS Monitoring
Cherry Hill Water District
NY5530046
Hard
202 PPMsurface water280 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 Lake Katrine, NY (12449).

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Frequently Asked Questions

Is the water hard in Lake Katrine, NY (12449)?

The average water hardness in 12449 is 202 PPM (11.8 GPG), which is classified as hard.

Do I need a water softener in 12449?

With hardness of 202 PPM, a water softener is recommended for homes in 12449.

Is hard water in 12449 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 12449?

Zip code 12449 in Lake Katrine, New York is served by 8 water systems.

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