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Water Hardness in Old Bridge, NJ

New Jersey · 1 zip codes · 12 matched water systems

60 PPM
3.5 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 60 PPM

Dataset updated March 9, 202612 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Middlesex Water Company
NJ1225001
Water source: surface water
Serves: 233,376
USGS environmental estimate: 64 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 12 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
12 verified treated-water sources
12 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 Old Bridge

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

12 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.
Middlesex Water Company
NJ1225001
Slightly Hard
60 PPMsurface water233,376 servedVerified — Annual Water Quality Report
Source water: 64 PPM
Old Bridge Mua
NJ1209002
Slightly Hard
60 PPMsurface water68,000 servedVerified — Annual Water Quality Report
Source water: 64 PPM
New Brunswick W Dept
NJ1214001
Slightly Hard
60 PPMsurface water55,000 servedVerified — Annual Water Quality Report
Source water: 70 PPM
Perth Amboy Water Department
NJ1216001
Slightly Hard
60 PPMsurface water52,328 servedVerified — Annual Water Quality Report
Source water: 64 PPM
East Brunswick Water Utility
NJ1204001
Slightly Hard
60 PPMsurface water48,474 servedVerified — Annual Water Quality Report
Source water: 70 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Old Bridge, NJ

What This Means For You

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

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | 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 Old Bridge, NJ.

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Frequently Asked Questions

How hard is the water in Old Bridge, NJ?

The citywide weighted average water hardness in Old Bridge, NJ is 60 PPM (3.5 GPG), classified as slightly hard. This is based on 12 matched water systems.

Do I need a water softener in Old Bridge, NJ?

At 60 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Old Bridge, 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 Old Bridge, NJ?

Old Bridge, New Jersey is served by 12 matched water systems across 1 zip code.

Learn More About Your Water