Water Hardness in Helena, MT
Montana · 2 zip codes · 24 matched water systems
City avg (weighted): 80 PPM
Dataset updated March 9, 202624 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
How this city reading is built
This city reading is a weighted rollup across 24 matched water systems and 2 ZIP codes. 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 Helena
These systems are matched to Helena, MT. 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 |
|---|---|---|---|
Helena Water System MT0000241 | surface water | 80 PPM Slightly HardUSGS estimate: 224 PPM | |
East Helena City Of MT0000196 | groundwater | 80 PPM Slightly HardUSGS estimate: 123 PPM | |
Helena Leisure Llc MT0000590 | groundwater | 80 PPM Slightly HardUSGS estimate: 224 PPM | |
Jefferson Hills Wua MT0002978 | groundwater | 80 PPM Slightly HardUSGS estimate: 76 PPM | |
Ten Mile And Pleasant Valley Wua MT0002005 | groundwater | 80 PPM Slightly HardUSGS estimate: 195 PPM |
Zip Codes in Helena, MT
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 Helena, MT.
Frequently Asked Questions
How hard is the water in Helena, MT?
The citywide weighted average water hardness in Helena, MT is 80 PPM (4.7 GPG), classified as slightly hard. This is based on 24 matched water systems.
Do I need a water softener in Helena, MT?
At 80 PPM, the citywide average is relatively soft. A water softener is generally not necessary.
Is hard water in Helena, MT 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 Helena, MT?
Helena, Montana is served by 24 matched water systems across 2 zip codes.
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