Water Hardness in 55921
Caledonia, Minnesota · Houston County
Based on EPA and USGS water quality monitoring data from environmental sources (wells, streams, aquifers) near your water system. Actual tap water may differ after treatment — for precise results, test your water at home.
Our Estimate
Weighted average from 1 water system.
What This Means For You
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 Caledonia, MN (55921).
Water Systems Serving 55921
Nearby Zip Codes
Frequently Asked Questions
Is the water hard in Caledonia, MN (55921)?
The average water hardness in 55921 is 204 PPM (11.9 GPG), which is classified as hard.
Do I need a water softener in 55921?
With hardness of 204 PPM, a water softener is recommended for homes in 55921.
How many water systems serve 55921?
Zip code 55921 in Caledonia, Minnesota is served by 1 water system.
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