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Water Hardness in 54653

Rockland, Wisconsin · La Crosse County

240 PPM
14.1 GPG
Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 4 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 4 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
3 verified treated-water sources
4 matched systems total for this ZIP; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 54653

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

4 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
La Crosse Waterworks
WI6320309
Hard
240 PPMgroundwater53,000 servedVerified — Annual Water Quality Report
Source water: 272 PPM
Onalaska Waterworks
WI6320327
Hard
240 PPMgroundwater18,000 servedVerified — Annual Water Quality Report
Source water: 272 PPM
Holmen Waterworks
WI6320306
Hard
240 PPMgroundwater10,147 servedVerified — Annual Water Quality Report
Source water: 272 PPM
Rockland Waterworks
WI6320333
Very Hard
272 PPMgroundwater642 servedEstimated — Nearby Data

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Rockland, WI (54653).

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Frequently Asked Questions

Is the water hard in Rockland, WI (54653)?

The average water hardness in 54653 is 240 PPM (14.1 GPG), which is classified as hard.

Do I need a water softener in 54653?

With hardness of 240 PPM, a water softener is recommended for homes in 54653.

Is hard water in 54653 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 54653?

Zip code 54653 in Rockland, Wisconsin is served by 4 water systems.

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