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Water Hardness in Billings Heights, MT

Montana · 1 zip codes · 5 matched water systems

150 PPM
8.8 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 152 PPM

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Billings City Of
MT0000153
Water source: surface water
Serves: 114,000
USGS environmental estimate: 232 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
2 verified treated-water sources
5 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 Billings Heights

These systems are matched to Billings Heights, MT. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

5 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Billings City Of
MT0000153
Moderately Hard
150 PPMsurface water114,000 servedVerified — Annual Water Quality Report
Source water: 232 PPM
Co Water Dist Of Billings Heights
MT0000155
Moderately Hard
150 PPMsurface water12,000 servedVerified — Annual Water Quality Report
Source water: 232 PPM
Hidden Lake Yellowstone County W And S D
MT0003374
Very Hard
644 PPMgroundwater350 servedEstimated — Nearby Data
Precision Water
MT0004497
Hard
232 PPMsurface water250 servedEstimated — Nearby Data
Erics Emergency Water Service
MT0006002
Hard
232 PPMsurface water100 servedEstimated — Nearby Data

Zip Codes in Billings Heights, MT

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Billings Heights, MT.

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Frequently Asked Questions

How hard is the water in Billings Heights, MT?

The citywide weighted average water hardness in Billings Heights, MT is 152 PPM (8.9 GPG), classified as moderately hard. This is based on 5 matched water systems. The gauge highlights Billings City Of, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Billings Heights, MT?

With a citywide average hardness of 152 PPM, a water softener is worth considering for homes in Billings Heights. Confirm your tap reading before sizing equipment.

Is hard water in Billings Heights, 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 Billings Heights, MT?

Billings Heights, Montana is served by 5 matched water systems across 1 zip code.

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