Water Hardness in Pompeys Pillar, MT
Montana · 1 zip codes · 2 matched water systems
City avg (weighted): 150 PPM
Dataset updated March 9, 20262 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Pompeys Pillar, MT Water Hard or Soft?
The displayed hardness for Pompeys Pillar, MT is 150 PPM (8.8 GPG) from Billings City Of, classified as moderately hard. The citywide weighted average is 150 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 2 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 Pompeys Pillar
These systems are matched to Pompeys Pillar, 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 |
|---|---|---|---|
| Billings City Of MT0000153 | surface water | 150 PPM Moderately HardUSGS estimate: 232 PPM | |
| Co Water Dist Of Billings Heights MT0000155 | surface water | 150 PPM Moderately HardUSGS estimate: 232 PPM |
Zip Codes in Pompeys Pillar, MT
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 Pompeys Pillar, MT.
Frequently Asked Questions
How hard is the water in Pompeys Pillar, MT?
The citywide weighted average water hardness in Pompeys Pillar, MT is 150 PPM (8.8 GPG), classified as moderately hard. This is based on 2 matched water systems.
Do I need a water softener in Pompeys Pillar, MT?
With a citywide average hardness of 150 PPM, a water softener is worth considering for homes in Pompeys Pillar. Confirm your tap reading before sizing equipment.
Is hard water in Pompeys Pillar, 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 Pompeys Pillar, MT?
Pompeys Pillar, Montana is served by 2 matched water systems across 1 zip code.
Learn More About Your Water
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