Is tap water safe in Montreal?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

How hard is the water in Montreal, WI?

Nearby USGS observations produce an estimate of 41.3 ppm (2.4 grains per gallon), classified as soft. This is not a tap measurement.

Do I need a water softener in ZIP code 54525?

There is no high-hardness trigger in this profile. Confirm conditions with an at-home hardness test before purchasing equipment.

City water profile

Montreal water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Montreal, Wisconsin.

Median indexed hardness

41PPM

2 indexed ZIPs

Range 41.3–41.3 PPM

State comparison: 247 PPM below
State hardness rank: #473 of 479
Matched utilities: 1
Active health records: 0

City summary

What the indexed records say

Montreal has 2 published ZIP profiles across Iron County. The indexed median is 41 PPM, compared with 288 PPM across Wisconsin.

Among the 479 Wisconsincities with an indexed median, Montreal ranks #473from highest to lowest. Across all 556 state ZIP profiles, available estimates run from 41.3to 467 PPM.

The 41.3–41.3 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft2 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 22.9 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Feb 1, 2016 to Feb 3, 2021.

ZIP directory

Water reports in Montreal

Open a ZIP for site-level provenance and measurements.

ZIP code

54525

Soft

41.3 PPM

Nearest site: 22.7 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

54550

Soft

41.3 PPM

Nearest site: 22.9 mi
Confidence: Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Montreal Waterworks

PWSID WI8260121

Groundwater

System population served: 887
Last reported: May 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.

Record	System	Period	Status
LEAD AND COPPER RULE REVISIONS	WI8260121	Jul 2, 2025	Unaddressed
Lead and Copper Rule	WI8260121	Jun 1, 2023	Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule	WI8260121	May 2, 2023	Resolved · health-based
Public Notice	WI8260121	Oct 1, 2011	Unaddressed

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Wisconsin communities

Hurley

Iron County

41 PPM median

Iron Belt

Iron County

41 PPM median

Mercer

Iron County

44 PPM median

Butternut

Ashland County

41 PPM median

Glidden

Ashland County

41 PPM median

Hawkins

Rusk County

41 PPM median

Search all 479 Wisconsin cities →

Questions people ask

About water in Montreal

Is the water hard?

The indexed city median is 41 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.