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City water profile

La Crosse water quality

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

Median indexed hardness

269PPM

2 indexed ZIPs

Range 255.5–283 PPM

State comparison
19 PPM below
State hardness rank
#337 of 479
Matched utilities
10
Active health records
1

City summary

What the indexed records say

La Crosse has 2 published ZIP profiles across La Crosse County. The indexed median is 269 PPM, compared with 288 PPM across Wisconsin.

Among the 479 Wisconsincities with an indexed median, La Crosse ranks #337from highest to lowest. Across all 556 state ZIP profiles, available estimates run from 41.3to 467 PPM.

The 255.5–283 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 hard2 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
41.6 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Aug 3, 2016 to May 15, 2019.

ZIP directory

Water reports in La Crosse

Open a ZIP for site-level provenance and measurements.

ZIP code

54601

Very Hard

283 PPM

Nearest site
40.2 mi
Confidence
Low

View full ZIP evidence →

ZIP code

54603

Very Hard

255.5 PPM

Nearest site
41.6 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

La Crosse Waterworks

PWSID WI6320309

Groundwater
System population served
53,000
Last reported
May 29, 2026

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

Shelby Tn Of Wedgewood Vly

PWSID WI6320311

Groundwater
System population served
1,020
Last reported
May 29, 2026

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

St Joseph San Dist 1

PWSID WI6320318

Groundwater
System population served
503
Last reported
May 29, 2026

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

La Crosse Estates Llc

PWSID WI6320319

Groundwater
System population served
351
Last reported
May 29, 2026

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

Brookview Mhp

PWSID WI6320316

Groundwater
System population served
300
Last reported
May 29, 2026

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

Shelby Tn Of Sd 2 Arbor Hl

PWSID WI6320323

Groundwater
System population served
231
Last reported
May 29, 2026

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

Shelby Tn Of Sd 2 Skyline

PWSID WI6320310

Groundwater
System population served
156
Last reported
May 29, 2026

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

Bluffview Commons

PWSID WI6320315

Groundwater
System population served
140
Last reported
May 29, 2026

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

Golden Valley Mobile Home Park

PWSID WI6320484

Groundwater
System population served
80
Last reported
May 29, 2026

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

Island Estates

PWSID WI6320638

Groundwater
System population served
50
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

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Consumer Confidence RuleWI6320638Oct 30, 2025Resolved
LEAD AND COPPER RULE REVISIONSWI6320307Jul 2, 2025Resolved
Consumer Confidence RuleWI6320638Jul 1, 2025Resolved
Consumer Confidence RuleWI6320638Jul 1, 2025Resolved
Public NoticeWI6320638Oct 17, 2024Unaddressed
LEAD AND COPPER RULE REVISIONSWI6320638Oct 17, 2024Unaddressed · health-based
Consumer Confidence RuleWI6320638Jul 1, 2024Resolved
Consumer Confidence RuleWI6320638Jul 1, 2024Resolved
Revised Total Coliform RuleWI6320307Mar 1, 2024Resolved
Revised Total Coliform RuleWI6320307Jan 1, 2024Resolved

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 La Crosse

Is the water hard?

The indexed city median is 269 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.