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Water Hardness in Vaughn, MT

Montana · 1 zip codes · 2 matched water systems

120 PPM
7 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 121 PPM

Dataset updated March 9, 20262 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Great Falls City Of
MT0000525
Water source: surface water
Serves: 60,000
USGS environmental estimate: 232 PPM
Source context

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.

Source basis
1 verified treated-water source
2 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 Vaughn

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

2 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.
Great Falls City Of
MT0000525
Moderately Hard
120 PPMsurface water60,000 servedVerified — Annual Water Quality Report
Source water: 232 PPM
Vaughn Cascade County Water And Sewer
MT0000352
Moderately Hard
168 PPMgroundwater585 servedEstimated — Nearby Data

Zip Codes in Vaughn, 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 Vaughn, MT.

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Frequently Asked Questions

How hard is the water in Vaughn, MT?

The citywide weighted average water hardness in Vaughn, MT is 121 PPM (7 GPG), classified as moderately hard. This is based on 2 matched water systems. The gauge highlights Great Falls City Of, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Vaughn, MT?

With a citywide average hardness of 121 PPM, a water softener is worth considering for homes in Vaughn. Confirm your tap reading before sizing equipment.

Is hard water in Vaughn, 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 Vaughn, MT?

Vaughn, Montana is served by 2 matched water systems across 1 zip code.

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