Water Hardness in Haddonfield, NJ
New Jersey · 1 zip codes · 10 matched water systems
City avg (weighted): 60 PPM
Dataset updated March 9, 202610 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Haddonfield, NJ Water Hard or Soft?
The displayed hardness for Haddonfield, NJ is 60 PPM (3.5 GPG) from Nj American Water - Western, classified as slightly hard. The citywide weighted average is 60 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 10 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
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 Haddonfield
These systems are matched to Haddonfield, NJ. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Nj American Water - Western NJ0327001 | surface water | 60 PPM Slightly HardUSGS estimate: 82 PPM | |
| Merchantville Pennsauken NJ0424001 | surface water | 60 PPM Slightly HardUSGS estimate: 82 PPM | |
| City Of Camden NJ0408001 | surface water | 60 PPM Slightly HardUSGS estimate: 82 PPM | |
| Aqua Nj - Blackwood NJ0415002 | surface water | 60 PPM Slightly HardUSGS estimate: 43 PPM | |
| Winslow Twp Dmu NJ0436007 | surface water | 60 PPM Slightly HardUSGS estimate: 19 PPM |
Zip Codes in Haddonfield, NJ
What This Means For You
Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
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 Haddonfield, NJ.
Frequently Asked Questions
How hard is the water in Haddonfield, NJ?
The citywide weighted average water hardness in Haddonfield, NJ is 60 PPM (3.5 GPG), classified as slightly hard. This is based on 10 matched water systems.
Do I need a water softener in Haddonfield, NJ?
At 60 PPM, the citywide average is relatively soft. A water softener is generally not necessary.
Is hard water in Haddonfield, 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 Haddonfield, NJ?
Haddonfield, New Jersey is served by 10 matched water systems across 1 zip code.
Learn More About Your Water
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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