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City water profile

Philipsburg water quality

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

Median indexed hardness

78PPM

One indexed ZIP

Range 78–78 PPM

State comparison
44 PPM below
State hardness rank
#82 of 117
Matched utilities
1
Active health records
12

City summary

What the indexed records say

Philipsburg has 1 published ZIP profile across Granite County. The indexed median is 78 PPM, compared with 122 PPM across Montana.

Among the 117 Montanacities with an indexed median, Philipsburg ranks #82from 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. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard1 ZIP
Hard0 ZIPs
Very hard0 ZIPs

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
28.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Feb 3, 2016 to Jun 9, 2026.

ZIP directory

Water reports in Philipsburg

Open a ZIP for site-level provenance and measurements.

ZIP code

59858

Moderately Hard

78 PPM

Nearest site
28.7 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Philipsburg Town Of

PWSID MT0000304

Surface water
System population served
1,360
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

12 unique active health-based records appear among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Surface Water Treatment RuleMT0000304Feb 1, 2026Addressed · health-based
Surface Water Treatment RuleMT0000304Jan 1, 2026Addressed · health-based
Surface Water Treatment RuleMT0000304Dec 1, 2025Addressed · health-based
Surface Water Treatment RuleMT0000304Nov 1, 2025Addressed · health-based
Surface Water Treatment RuleMT0000304Oct 1, 2025Addressed · health-based
Surface Water Treatment RuleMT0000304Sep 1, 2025Addressed · health-based
Surface Water Treatment RuleMT0000304Aug 1, 2025Addressed · health-based
Surface Water Treatment RuleMT0000304Jul 1, 2025Addressed · health-based
Surface Water Treatment RuleMT0000304Jun 1, 2025Addressed · health-based
Surface Water Treatment RuleMT0000304May 1, 2025Addressed · 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 Philipsburg

Is the water hard?

The indexed city median is 78 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.