WH

Water Hardness in East Helena, MT

Montana · 1 zip codes · 19 matched water systems

80 PPM
4.7 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 86 PPM

Dataset updated March 9, 202619 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Helena Water System
MT0000241
Water source: surface water
Serves: 32,091
USGS environmental estimate: 224 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 19 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 verified treated-water source
19 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 East Helena

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

19 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.
Helena Water System
MT0000241
Slightly Hard
80 PPMsurface water32,091 servedVerified — Annual Water Quality Report
Source water: 224 PPM
Eastgate Village Sewer And Water
MT0001784
Moderately Hard
123 PPMgroundwater2,000 servedHigh Confidence — USGS Monitoring
La Casa Grande Water And Sewer District
MT0001924
Moderately Hard
123 PPMgroundwater404 servedHigh Confidence — USGS Monitoring
Skyview Water And Sewer Utility
MT0004039
Moderately Hard
123 PPMgroundwater400 servedHigh Confidence — USGS Monitoring
Golden Estates Homeowners Association
MT0004187
Moderately Hard
123 PPMgroundwater400 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in East 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 East Helena, MT.

Submit Your Data

Frequently Asked Questions

How hard is the water in East Helena, MT?

The citywide weighted average water hardness in East Helena, MT is 86 PPM (5 GPG), classified as slightly hard. This is based on 19 matched water systems. The gauge highlights Helena Water System, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in East Helena, MT?

At 86 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in East 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 East Helena, MT?

East Helena, Montana is served by 19 matched water systems across 1 zip code.

Learn More About Your Water