Water Hardness in 78009
Castroville, Texas · Medina 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 10 water systems.
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 Castroville, TX (78009).
Water Systems Serving 78009
Nearby Zip Codes
Frequently Asked Questions
Is the water hard in Castroville, TX (78009)?
The average water hardness in 78009 is 248 PPM (14.5 GPG), which is classified as hard.
Do I need a water softener in 78009?
With hardness of 248 PPM, a water softener is recommended for homes in 78009.
How many water systems serve 78009?
Zip code 78009 in Castroville, Texas is served by 10 water systems.
Learn More About Your Water
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