Water Hardness in Union Grove, WI
Wisconsin · 1 zip codes · 4 matched water systems
City avg (weighted): 145 PPM
Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Union Grove, WI Water Hard or Soft?
The displayed hardness for Union Grove, WI is 140 PPM (8.2 GPG) from Racine Waterworks, classified as moderately hard. The citywide weighted average is 145 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 4 matched water systems and 1 ZIP code. 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 Union Grove
These systems are matched to Union Grove, 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 |
|---|---|---|---|
| Racine Waterworks WI2520062 | surface water | 140 PPM Moderately HardUSGS estimate: 244 PPM | |
| Caledonia Water Utility - Village Of WI2520184 | surface water | 140 PPM Moderately HardUSGS estimate: 244 PPM | |
| Union Grove Waterworks WI2520200 | groundwater | 244 PPM Hard | |
| Southern Wisconsin Center WI2520199 | groundwater | 244 PPM Hard |
Zip Codes in Union Grove, WI
What This Means For You
Use this city 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 Union Grove, WI.
Frequently Asked Questions
How hard is the water in Union Grove, WI?
The citywide weighted average water hardness in Union Grove, WI is 145 PPM (8.5 GPG), classified as moderately hard. This is based on 4 matched water systems. The gauge highlights Racine Waterworks, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Union Grove, WI?
With a citywide average hardness of 145 PPM, a water softener is worth considering for homes in Union Grove. Confirm your tap reading before sizing equipment.
Is hard water in Union Grove, 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 Union Grove, WI?
Union Grove, Wisconsin is served by 4 matched water systems across 1 zip code.
Learn More About Your Water
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