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City water profile

Opheim water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Opheim, Montana.

Median indexed hardness

285PPM

One indexed ZIP

Range 285–285 PPM

State comparison
163 PPM above
State hardness rank
#27 of 117
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Opheim has 1 published ZIP profile across Valley County. The indexed median is 285 PPM, compared with 122 PPM across Montana.

Among the 117 Montanacities with an indexed median, Opheim ranks #27from highest to lowest. Across all 145 state ZIP profiles, available estimates run from 0.2to 799.5 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
18.2 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jun 19, 2020 to Sep 25, 2024.

ZIP directory

Water reports in Opheim

Open a ZIP for site-level provenance and measurements.

ZIP code

59250

Very Hard

285 PPM

Nearest site
18.2 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Opheim Town Of

PWSID MT0000301

Surface water
System population served
111
Last reported
Jun 29, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Revised Total Coliform RuleMT0000301Sep 1, 2021Resolved · health-based

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Opheim

Is the water hard?

The indexed city median is 285 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.