WH

Water Hardness in 51537

Harlan, Iowa · Shelby County

390 PPM
22.8 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

390 PPM
22.8 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

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 Harlan, IA (51537).

Submit Your Data

Water Systems Serving 51537

Nearby Zip Codes

Frequently Asked Questions

Is the water hard in Harlan, IA (51537)?

The average water hardness in 51537 is 390 PPM (22.8 GPG), which is classified as very hard.

Do I need a water softener in 51537?

With hardness of 390 PPM, a water softener is recommended for homes in 51537.

How many water systems serve 51537?

Zip code 51537 in Harlan, Iowa is served by 1 water system.

Learn More About Your Water