Water Hardness in Kearny, NJ

Q: Do I need a water softener in Kearny, NJ?

At a citywide weighted average of 40 PPM, Kearny has relatively soft water. A water softener is generally not necessary.

Q: How many water systems serve Kearny, NJ?

Kearny, New Jersey has 7 matched water systems across 2 zip codes.

New Jersey · 2 zip codes · 7 matched water systems

40 PPM

2.3 GPG

Soft

0Soft60120180300+

Verified — Annual Water Quality Report

City avg (weighted): 40 PPM

Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading

Veolia Water New Jersey Hackensack

NJ0238001

Water source: surface water

Serves: 792,713

USGS environmental estimate: 169 PPM

Source context

How this city reading is built

This city reading is a weighted rollup across 7 matched water systems and 2 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis

6 verified treated-water sources

7 matched systems total for this city; treated-water reports are prioritized when available.

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 in Kearny

These systems are matched to Kearny, NJ. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

7 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
Veolia Water New Jersey Hackensack NJ0238001	surface water	40 PPM Soft USGS estimate: 169 PPM	792,713	Verified — Annual Water Quality Report
Jersey City Mua NJ0906001	surface water	40 PPM Soft USGS estimate: 253 PPM	262,000	Verified — Annual Water Quality Report
City Of Bayonne NJ0901001	surface water	40 PPM Soft USGS estimate: 253 PPM	63,000	Verified — Annual Water Quality Report
Hoboken Water Utility NJ0905001	surface water	40 PPM Soft USGS estimate: 253 PPM	52,000	Verified — Annual Water Quality Report
Kearny Water Department NJ0907001	surface water	40 PPM Soft USGS estimate: 253 PPM	41,664	Verified — Annual Water Quality Report

Veolia Water New Jersey Hackensack

NJ0238001

Soft

40 PPMsurface water792,713 servedVerified — Annual Water Quality Report

Source water: 169 PPM

Jersey City Mua

NJ0906001

Soft

40 PPMsurface water262,000 servedVerified — Annual Water Quality Report

Source water: 253 PPM

City Of Bayonne

NJ0901001

Soft

40 PPMsurface water63,000 servedVerified — Annual Water Quality Report

Source water: 253 PPM

Hoboken Water Utility

NJ0905001

Soft

40 PPMsurface water52,000 servedVerified — Annual Water Quality Report

Source water: 253 PPM

Kearny Water Department

NJ0907001

Soft

40 PPMsurface water41,664 servedVerified — Annual Water Quality Report

Source water: 253 PPM

Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Kearny, NJ

0702940 0703240

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Kearny, NJ.

Submit Your Data

Frequently Asked Questions

How hard is the water in Kearny, NJ?

The citywide weighted average water hardness in Kearny, NJ is 40 PPM (2.3 GPG), classified as soft. This is based on 7 matched water systems. The gauge highlights Veolia Water New Jersey Hackensack, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Kearny, NJ?

At 40 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Kearny, NJ 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 Kearny, NJ?

Kearny, New Jersey is served by 7 matched water systems across 2 zip codes.

Learn More About Your Water

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