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Water Hardness in 59414

Black Eagle, Montana · Cascade County

137 PPM
8 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 4 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 4 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
1 verified treated-water source
4 matched systems total for this ZIP; 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 Serving 59414

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

4 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
Black Eagle Cascade County Water Sewer
MT0000157
Very Hard
617 PPMsurface water1,233 servedEstimated — Nearby Data
Homestead Acres County Water And Sewer
MT0000526
Very Hard
617 PPMgroundwater500 servedHigh Confidence — USGS Monitoring
Bushard Water Company
MT0005164
Very Hard
617 PPMsurface water425 servedEstimated — Nearby Data

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment 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 Black Eagle, MT (59414).

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Frequently Asked Questions

Is the water hard in Black Eagle, MT (59414)?

The average water hardness in 59414 is 137 PPM (8 GPG), which is classified as moderately hard.

Do I need a water softener in 59414?

With hardness of 137 PPM, a water softener is worth considering for homes in 59414.

Is hard water in 59414 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 59414?

Zip code 59414 in Black Eagle, Montana is served by 4 water systems.

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