Water Hardness in 05602
Montpelier, Vermont · Washington County
Dataset updated March 9, 2026Matched to 13 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 13 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 05602
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 |
|---|---|---|---|
Barre City Water System VT0005254 | surface water | 94 PPM Slightly Hard | |
Montpelier Water System VT0005272 | surface water | 63 PPM Slightly Hard | |
Berlin Municipal Water System VT0021202 | groundwater | 191 PPM Hard | |
Franklin Water System VT0005120 | groundwater | 191 PPM Hard | |
Crystal Springs Water System VT0005264 | groundwater | 191 PPM Hard |
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 Montpelier, VT (05602).
Frequently Asked Questions
Is the water hard in Montpelier, VT (05602)?
The average water hardness in 05602 is 96 PPM (5.6 GPG), which is classified as slightly hard.
Do I need a water softener in 05602?
At 96 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 05602 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 05602?
Zip code 05602 in Montpelier, Vermont is served by 13 water systems.
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