Water Hardness in 07067
Colonia, New Jersey · Middlesex County
Dataset updated March 9, 2026Matched to 12 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 12 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 07067
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 |
|---|---|---|---|
Middlesex Water Company NJ1225001 | surface water | 60 PPM Slightly HardUSGS estimate: 64 PPM | |
Old Bridge Mua NJ1209002 | surface water | 60 PPM Slightly HardUSGS estimate: 64 PPM | |
New Brunswick W Dept NJ1214001 | surface water | 60 PPM Slightly HardUSGS estimate: 70 PPM | |
Perth Amboy Water Department NJ1216001 | surface water | 60 PPM Slightly HardUSGS estimate: 64 PPM | |
East Brunswick Water Utility NJ1204001 | surface water | 60 PPM Slightly HardUSGS estimate: 70 PPM |
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.
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 Colonia, NJ (07067).
Frequently Asked Questions
Is the water hard in Colonia, NJ (07067)?
The average water hardness in 07067 is 60 PPM (3.5 GPG), which is classified as slightly hard.
Do I need a water softener in 07067?
At 60 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 07067 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 07067?
Zip code 07067 in Colonia, New Jersey is served by 12 water systems.
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