Best Water Filters for Well Water

Wells aren't treated by a city — these handle it.

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Top pick 9.2

Our top RO pick: fast, tankless, UV sterilizing, smart display.

NSF 42NSF 53NSF 58

~$400 + $110/yrCheck price

#2 8.7

Best for iron, sulfur, and manganese in well water.

Tested to NSF standards

~$1600 + $50/yrCheck price

Budget pick 8.6

Classic, durable tank RO with cheap replacement filters.

WQA Gold Seal

~$200 + $60/yrCheck price

#4 8.3

Adds minerals back for better taste after RO.

WQA Gold Seal

~$230 + $70/yrCheck price