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City water profile

Minot water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Minot, North Dakota.

Median indexed hardness

295PPM

3 indexed ZIPs

Range 209–295 PPM

State comparison
77 PPM below
State hardness rank
#182 of 210
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Minot has 3 published ZIP profiles across Ward County. The indexed median is 295 PPM, compared with 372 PPM across North Dakota.

Among the 210 North Dakotacities with an indexed median, Minot ranks #182from highest to lowest. Across all 226 state ZIP profiles, available estimates run from 170.5to 716 PPM.

The 209–295 PPM range shows how much the available ZIP estimates vary within the city label. 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 hard0 ZIPs
Hard0 ZIPs
Very hard3 ZIPs

3 of 3 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
20.9 miles
Profiles with evidence
3/3

Confidence labels

High: 0Moderate: 2Low: 1

Observation window: Aug 31, 2016 to Jul 23, 2025.

ZIP directory

Water reports in Minot

Open a ZIP for site-level provenance and measurements.

ZIP code

58701

Very Hard

209 PPM

Nearest site
28.1 mi
Confidence
Low

View full ZIP evidence →

ZIP code

58703

Very Hard

295 PPM

Nearest site
15.9 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

58707

Very Hard

295 PPM

Nearest site
20.9 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Minot City Of

PWSID ND5100660

Groundwater
System population served
48,743
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
E. COLIND5100660Nov 24, 2022Resolved

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 Minot

Is the water hard?

The indexed city median is 295 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.