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Water Hardness in 10928

Highland Falls, New York · Orange County

123 PPM
7.2 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 16 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 16 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
16 USGS-backed sources
16 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 10928

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.

16 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.
Kiryas Joel
NY3503627
Hard
215 PPMgroundwater46,477 servedHigh Confidence — USGS Monitoring
Middletown City
NY3503534
Moderately Hard
134 PPMsurface water30,000 servedHigh Confidence — USGS Monitoring
Newburgh City
NY3503549
Slightly Hard
105 PPMsurface water29,000 servedHigh Confidence — USGS Monitoring
New Windsor Consolidated Wd
NY3503580
Slightly Hard
105 PPMsurface water25,667 servedHigh Confidence — USGS Monitoring
Newburgh Consolidated Wd
NY3503578
Slightly Hard
105 PPMsurface water22,282 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 Highland Falls, NY (10928).

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Frequently Asked Questions

Is the water hard in Highland Falls, NY (10928)?

The average water hardness in 10928 is 123 PPM (7.2 GPG), which is classified as moderately hard.

Do I need a water softener in 10928?

With hardness of 123 PPM, a water softener is worth considering for homes in 10928.

Is hard water in 10928 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 10928?

Zip code 10928 in Highland Falls, New York is served by 16 water systems.

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