Water Hardness in 12589
Wallkill, New York · Ulster County
Dataset updated March 9, 2026Matched to 10 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 10 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.
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 12589
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.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
Kingston (City) Water District NY5503374 | surface water | 202 PPM Hard | |
Watchtower Farms I NY5510805 | surface water | 191 PPM Hard | |
Wallkill Water District NY5503393 | groundwater | 191 PPM Hard | |
Wallkill/Shawangunk Correction NY5510590 | surface water | 191 PPM Hard | |
Squire Green Water Corporation NY1321440 | groundwater | 191 PPM Hard |
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.
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
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 Wallkill, NY (12589).
Frequently Asked Questions
Is the water hard in Wallkill, NY (12589)?
The average water hardness in 12589 is 200 PPM (11.7 GPG), which is classified as hard.
Do I need a water softener in 12589?
With hardness of 200 PPM, a water softener is recommended for homes in 12589.
Is hard water in 12589 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 12589?
Zip code 12589 in Wallkill, New York is served by 10 water systems.
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