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City water profile

White Sulphur Springs water quality

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

Median indexed hardness

43PPM

One indexed ZIP

Range 43.2–43.2 PPM

State comparison
79 PPM below
State hardness rank
#89 of 117
Matched utilities
2
Active health records
0

City summary

What the indexed records say

White Sulphur Springs has 1 published ZIP profile across Meagher County. The indexed median is 43 PPM, compared with 122 PPM across Montana.

Among the 117 Montanacities with an indexed median, White Sulphur Springs ranks #89from 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

Soft1 ZIP
Moderately hard0 ZIPs
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
6.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Feb 3, 2016 to Sep 10, 2025.

ZIP directory

Water reports in White Sulphur Springs

Open a ZIP for site-level provenance and measurements.

ZIP code

59645

Soft

43.2 PPM

Nearest site
6.6 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

White Sulphur Springs City Of

PWSID MT0000360

Surface water
System population served
1,000
Last reported
Jun 29, 2026

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

Springdale Hutterite Colony

PWSID MT0000134

Groundwater
System population served
87
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 RuleMT0000134Jun 1, 2025Resolved
Lead and Copper RuleMT0000134Oct 1, 2024Unaddressed
Lead and Copper RuleMT0000360Oct 1, 2023Unaddressed
Consumer Confidence RuleMT0000360Jul 1, 2023Resolved
BariumMT0000360Jan 1, 2023Archived
CadmiumMT0000360Jan 1, 2023Archived
ChromiumMT0000360Jan 1, 2023Archived
MercuryMT0000360Jan 1, 2023Archived
NickelMT0000360Jan 1, 2023Archived
Beryllium, TotalMT0000360Jan 1, 2023Archived

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 White Sulphur Springs

Is the water hard?

The indexed city median is 43 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.