Water Hardness in 54669
West Salem, Wisconsin · La Crosse County
Dataset updated March 9, 2026Matched to 6 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 6 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.
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 54669
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.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| La Crosse Waterworks WI6320309 | groundwater | 240 PPM HardUSGS estimate: 272 PPM | |
| Onalaska Waterworks WI6320327 | groundwater | 240 PPM HardUSGS estimate: 272 PPM | |
| Holmen Waterworks WI6320306 | groundwater | 240 PPM HardUSGS estimate: 272 PPM | |
| West Salem Waterworks WI6320334 | groundwater | 272 PPM Very Hard | |
| Bostwick Valley Mhp WI6320336 | groundwater | 272 PPM Very Hard |
Nearby Zip Codes
What This Means For You
Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing 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 West Salem, WI (54669).
Frequently Asked Questions
Is the water hard in West Salem, WI (54669)?
The average water hardness in 54669 is 242 PPM (14.2 GPG), which is classified as hard.
Do I need a water softener in 54669?
With hardness of 242 PPM, a water softener is recommended for homes in 54669.
Is hard water in 54669 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 54669?
Zip code 54669 in West Salem, Wisconsin is served by 6 water systems.
Learn More About Your Water
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