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Best Filters for Well Water

Well water needs specialized filtration. Here's what works.

Updated April 2026

Well Water Challenges

Unlike city water, well water isn't treated or monitored. Common issues include:

Step 1: Test your well water before buying anything. Lab tests ($100-300) identify exactly what you need to treat. Don't guess—well water problems vary dramatically.

Our Top Picks

Best Overall

SpringWell Well Water Filter System

$1,400+ | 4-stage | Lifetime warranty

Purpose-built for well water. Air injection oxidation removes iron (up to 7 ppm), sulfur (up to 8 ppm), and manganese (up to 1 ppm). Greensand filter plus carbon filtration. Handles most well water issues.

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High Iron

SoftPro IronMaster

$1,800+ | Handles 30+ ppm iron

For extreme iron problems. AIO (air injection oxidation) system handles iron levels that would overwhelm standard filters. Also removes sulfur and manganese.

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Bacteria Treatment

UV Disinfection System

$300-600 | Kills 99.99% bacteria/viruses

If your well tests positive for bacteria, UV treatment is the safest solution. Add after sediment/iron filtration. Viqua and Pelican are top brands.

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FAQs

How often should I test my well water?

At minimum, test annually for bacteria and nitrates. Test every 3-5 years for a full panel. Also test after any work on the well, flooding, or changes in taste/smell.

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