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City water profile

Bigfork water quality

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

Median indexed hardness

35PPM

One indexed ZIP

Range 34.7–34.7 PPM

State comparison
87 PPM below
State hardness rank
#98 of 117
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Bigfork has 1 published ZIP profile across Lake County. The indexed median is 35 PPM, compared with 122 PPM across Montana.

Among the 117 Montanacities with an indexed median, Bigfork ranks #98from 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
17.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jul 9, 2024 to Nov 21, 2024.

ZIP directory

Water reports in Bigfork

Open a ZIP for site-level provenance and measurements.

ZIP code

59911

Soft

34.7 PPM

Nearest site
17.6 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Bigfork County Water And Sewer

PWSID MT0000262

Groundwater
System population served
6,100
Last reported
Jun 29, 2026

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

Woods Bay Water And Sewer District

PWSID MT0004698

Groundwater
System population served
685
Last reported
Jun 29, 2026

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

Kootenai Woods Subdivision

PWSID MT0004400

Groundwater
System population served
53
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.

No violation records are included in the current lookback window.

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 Bigfork

Is the water hard?

The indexed city median is 35 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.