Water Hardness in 54963
Omro, Wisconsin · Winnebago 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 54963
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 |
|---|---|---|---|
Oshkosh Waterworks WI4710457 | surface water | 200 PPM HardUSGS estimate: 419 PPM | |
Neenah Waterworks WI4710348 | surface water | 200 PPM HardUSGS estimate: 38 PPM | |
Fox Crossing Utilities West WI4710358 | groundwater | 200 PPM HardUSGS estimate: 38 PPM | |
Menasha Elec & Water Util WI4710334 | surface water | 200 PPM HardUSGS estimate: 852 PPM | |
Fox Crossing Utilities East WI4710453 | surface water | 200 PPM HardUSGS estimate: 38 PPM |
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.
Hard Water - Treatment Recommended
Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water
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 Omro, WI (54963).
Frequently Asked Questions
Is the water hard in Omro, WI (54963)?
The average water hardness in 54963 is 206 PPM (12 GPG), which is classified as hard.
Do I need a water softener in 54963?
With hardness of 206 PPM, a water softener is recommended for homes in 54963.
Is hard water in 54963 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 54963?
Zip code 54963 in Omro, Wisconsin is served by 6 water systems.
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