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Water Hardness in 51010

Castana, Iowa · Monona County

470 PPM
27.5 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

470 PPM
27.5 GPG
Very Hard

Weighted average from 1 water system.

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 Castana, IA (51010).

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Water Systems Serving 51010

Nearby Zip Codes

Frequently Asked Questions

Is the water hard in Castana, IA (51010)?

The average water hardness in 51010 is 470 PPM (27.5 GPG), which is classified as very hard.

Do I need a water softener in 51010?

With hardness of 470 PPM, a water softener is recommended for homes in 51010.

How many water systems serve 51010?

Zip code 51010 in Castana, Iowa is served by 1 water system.

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