Where does the water in 12525 come from?

Water for zip code 12525 in Gardiner, New York is provided by 2 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 12525

Gardiner, New York · Ulster County

201 PPM

11.8 GPG

Hard

0Soft60120180300+

High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 2 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 2 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

2 USGS-backed sources

2 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 12525

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.

2 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.

Water System	Source	Hardness	Pop. Served	Data Source
Kingston (City) Water District NY5503374	surface water	202 PPM Hard	24,000	High Confidence — USGS Monitoring
Candlestick Park NY3501335	groundwater	131 PPM Moderately Hard	250	High Confidence — USGS Monitoring

Kingston (City) Water District

NY5503374

Hard

202 PPMsurface water24,000 servedHigh Confidence — USGS Monitoring

Candlestick Park

NY3501335

Moderately Hard

131 PPMgroundwater250 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

12589200 12548203 12440202 12515202 12561187 12566185 12586129 12404202 12446200 12489202 12528195 12542202

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Hard Water - Treatment Recommended

Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.

Recommended Products

Salt-Based Water Softener

Our PickAFWFilters Fleck 5600SXT 48K Also GreatWhirlpool WHES40E 40K Also GreatAFWFilters 64K Grain Also GreatAFWFilters Iron Pro 2 64K Also GreatSpringWell Filter + Softener Combo

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Water Hardness Test Kit

Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)

Shower Head Filter

Our PickWeddell Duo Also GreatAquaBliss SF100 Also GreatSprite Pure 7-Setting Also GreatAqua Earth 20-Stage

Water Softener Salt

Our PickMorton Clean & Protect Also GreatDiamond Crystal Bright & Soft

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water

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 Gardiner, NY (12525).

Submit Your Data

Frequently Asked Questions

Is the water hard in Gardiner, NY (12525)?

The average water hardness in 12525 is 201 PPM (11.8 GPG), which is classified as hard.

Do I need a water softener in 12525?

With hardness of 201 PPM, a water softener is recommended for homes in 12525.

Is hard water in 12525 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 12525?

Zip code 12525 in Gardiner, New York is served by 2 water systems.