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Water Hardness in 53191

Williams Bay, Wisconsin · Walworth County

306 PPM
17.9 GPG
Very Hard
0Soft60120180300+
USGS — Environmental Monitoring

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

306 PPM
17.9 GPG
Very Hard

Weighted average from 4 water systems.

What This Means For You

Very Hard Water - Treatment Strongly Recommended

Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Williams Bay, WI (53191).

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Water Systems Serving 53191

Nearby Zip Codes

Frequently Asked Questions

Is the water hard in Williams Bay, WI (53191)?

The average water hardness in 53191 is 306 PPM (17.9 GPG), which is classified as very hard.

Do I need a water softener in 53191?

With hardness of 306 PPM, a water softener is recommended for homes in 53191.

How many water systems serve 53191?

Zip code 53191 in Williams Bay, Wisconsin is served by 4 water systems.

Learn More About Your Water