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Water Hardness in 07504

Paterson, New Jersey · Passaic County

40 PPM
2.3 GPG
Soft
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 9 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 9 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
9 verified treated-water sources
9 matched systems total for this ZIP; 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 Serving 07504

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.

9 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.
Passaic Valley Water Commission
NJ1605002
Soft
40 PPMsurface water310,483 servedVerified — Annual Water Quality Report
Source water: 118 PPM
Nj American Water - Short Hills
NJ0712001
Soft
40 PPMsurface water217,230 servedVerified — Annual Water Quality Report
Source water: 188 PPM
Township Of Wayne
NJ1614001
Soft
40 PPMsurface water55,000 servedVerified — Annual Water Quality Report
Source water: 118 PPM
Hawthorne Water Department
NJ1604001
Soft
40 PPMgroundwater19,458 servedVerified — Annual Water Quality Report
Source water: 336 PPM
Manchester Utilities Authority
NJ1603001
Soft
40 PPMsurface water12,000 servedVerified — Annual Water Quality Report
Source water: 118 PPM
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

075134007514400740782075034007524400750140075054007410820752240070114007663820702682

What This Means For You

Recommendations are based on the displayed ZIP 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 Paterson, NJ (07504).

Submit Your Data

Frequently Asked Questions

Is the water hard in Paterson, NJ (07504)?

The average water hardness in 07504 is 40 PPM (2.3 GPG), which is classified as soft.

Do I need a water softener in 07504?

At 40 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 07504 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 07504?

Zip code 07504 in Paterson, New Jersey is served by 9 water systems.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

10 min read

How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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