Water Hardness in O Fallon, MO
Missouri · 1 zip codes · 10 water systems
City avg (weighted): 120 PPM
Based on treated water data from the utility's Consumer Confidence Report (CCR) — the annual water quality report your provider is required to publish.
What This Means For You
Moderately Hard Water
Your water is moderately hard. You're likely seeing scale buildup on fixtures, spotty dishes, and may notice dry skin or hair. A water softener or conditioner can help.
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 O Fallon, MO.
Water Systems in O Fallon
Zip Codes in O Fallon, MO
Learn More About Your Water
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