Water Hardness in Appleton, WI
Wisconsin · 4 zip codes · 7 matched water systems
City avg (weighted): 240 PPM
Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
How this city reading is built
This city reading is a weighted rollup across 7 matched water systems and 4 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
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 in Appleton
These systems are matched to Appleton, WI. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
Appleton Waterworks WI4450333 | surface water | 240 PPM HardUSGS estimate: 38 PPM | |
Grand Chute Tn San Dist 1 WI4450429 | surface water | 240 PPM HardUSGS estimate: 38 PPM | |
Kaukauna Utilities WI4450336 | groundwater | 240 PPM HardUSGS estimate: 748 PPM | |
Darboy Sanitary Dist 1 WI4450117 | groundwater | 240 PPM HardUSGS estimate: 748 PPM | |
Little Chute Waterworks WI4450338 | groundwater | 240 PPM HardUSGS estimate: 748 PPM |
Zip Codes in Appleton, WI
What This Means For You
Recommendations are based on the displayed 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 Appleton, WI.
Frequently Asked Questions
How hard is the water in Appleton, WI?
The citywide weighted average water hardness in Appleton, WI is 240 PPM (14 GPG), classified as hard. This is based on 7 matched water systems.
Do I need a water softener in Appleton, WI?
With a citywide average hardness of 240 PPM, a water softener is recommended for homes in Appleton. Confirm your tap reading before sizing equipment.
Is hard water in Appleton, WI 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 Appleton, WI?
Appleton, Wisconsin is served by 7 matched water systems across 4 zip codes.
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