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City water profile

Highwood water quality

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

Median indexed hardness

34PPM

One indexed ZIP

Range 34.1–34.1 PPM

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

City summary

What the indexed records say

Highwood has 1 published ZIP profile across Chouteau County. The indexed median is 34 PPM, compared with 122 PPM across Montana.

Among the 117 Montanacities with an indexed median, Highwood ranks #104from 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

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
48.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Feb 26, 2016 to Feb 26, 2025.

ZIP directory

Water reports in Highwood

Open a ZIP for site-level provenance and measurements.

ZIP code

59450

Soft

34.1 PPM

Nearest site
48.6 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Highwood County Water And Sewer District

PWSID MT0000248

Groundwater
System population served
280
Last reported
Jun 29, 2026

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

South Chouteau County Water Dist

PWSID MT0001925

Groundwater
System population served
80
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
Lead and Copper RuleMT0001925Oct 1, 2025Unaddressed
Revised Total Coliform RuleMT0001925May 1, 2025Resolved
Nitrate-NitriteMT0001925Jan 1, 2025Resolved
Consumer Confidence RuleMT0001925Oct 1, 2024Resolved
Consumer Confidence RuleMT0001925Jul 1, 2024Resolved
Consumer Confidence RuleMT0000248Oct 1, 2023Resolved
Lead and Copper RuleMT0000248Oct 1, 2023Resolved
Consumer Confidence RuleMT0001925Oct 1, 2023Resolved
Consumer Confidence RuleMT0000248Jul 1, 2023Resolved
Consumer Confidence RuleMT0001925Jul 1, 2023Resolved

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 Highwood

Is the water hard?

The indexed city median is 34 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.