Water Hardness in Short Hills, NJ
New Jersey · 1 zip codes · 16 matched water systems
City avg (weighted): 40 PPM
Dataset updated March 9, 202616 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Short Hills, NJ Water Hard or Soft?
The displayed hardness for Short Hills, NJ is 40 PPM (2.3 GPG) from Newark Water Department, classified as soft. The citywide weighted average is 40 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 16 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 Short Hills
These systems are matched to Short Hills, 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 |
|---|---|---|---|
| Newark Water Department NJ0714001 | surface water | 40 PPM SoftUSGS estimate: 188 PPM | |
| Nj American Water - Short Hills NJ0712001 | surface water | 40 PPM SoftUSGS estimate: 188 PPM | |
| East Orange Water Commission NJ0705001 | groundwater | 40 PPM SoftUSGS estimate: 295 PPM | |
| Bloomfield Water Department NJ0702001 | surface water | 40 PPM SoftUSGS estimate: 188 PPM | |
| Montclair Water Bureau NJ0713001 | surface water | 40 PPM SoftUSGS estimate: 118 PPM |
Zip Codes in Short Hills, 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 Short Hills, NJ.
Frequently Asked Questions
How hard is the water in Short Hills, NJ?
The citywide weighted average water hardness in Short Hills, NJ is 40 PPM (2.4 GPG), classified as soft. This is based on 16 matched water systems. The gauge highlights Newark Water Department, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Short Hills, NJ?
At 40 PPM, the citywide average is relatively soft. A water softener is generally not necessary.
Is hard water in Short Hills, 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 Short Hills, NJ?
Short Hills, New Jersey is served by 16 matched water systems across 1 zip code.
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.
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Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.
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