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Best Water Filter for Copper

Bottom line

In our scoring the best water filter for copper is one certified to NSF/ANSI 53 (or 58) for copper reduction. Among our scored units the Waterdrop G3P800 reverse-osmosis system leads our certified set.

If copper is your concern, the useful thing to know is where it comes from: like lead, it leaches into tap water from your own household plumbing and brass fittings, not the source - so levels can differ house to house. The EPA sets a copper action level of 1.3 mg/L under the Lead and Copper Rule. We rank only filters certified for copper reduction under NSF/ANSI 53, or NSF/ANSI 58 for reverse osmosis, on an official database.

How we score: A filter needs a verifiable NSF/ANSI 53 (or 58) copper-reduction certification on an official database to qualify - then we rank what's left by overall score.

  1. 16.6
    Waterdrop G3P800 Tankless RO

    The Waterdrop G3P800 Tankless RO is a ro water filter. It is third-party certified (IAPMO) to reduce chlorine taste and odor, total dissolved solids (TDS), lead, fluoride, cadmium, chromium-6, selenium, arsenic, nitrate, mercury, copper, barium, PFOA, PFOS. Running cost works out to about $0.123 per gallon.

    • Certified to reducechlorine taste and odor, total dissolved solids (TDS), lead, fluoride, cadmium, chromium-6, selenium, arsenic, nitrate, mercury, copper, barium, PFOA, PFOS
    • Cartridge life2,200 gallons
    • Cost per gallon$0.123
  2. 25.9
    PUR Plus Pitcher (7-Cup)

    The PUR Plus Pitcher (7-Cup) is a pitcher water filter. It is third-party certified (NSF/WQA) to reduce chlorine taste and odor, lead, mercury, copper, zinc, cadmium, microplastics. Running cost works out to about $0.374 per gallon.

    • Certified to reducechlorine taste and odor, lead, mercury, copper, zinc, cadmium, microplastics
    • Cartridge life40 gallons
    • Cost per gallon$0.374
  3. 35.6
    Brita Standard Pitcher

    The Brita Standard Pitcher is a pitcher water filter. It is third-party certified (WQA) to reduce chlorine taste and odor, zinc, copper, cadmium, mercury. Running cost works out to about $0.200 per gallon.

    • Certified to reducechlorine taste and odor, zinc, copper, cadmium, mercury
    • Cartridge life40 gallons
    • Cost per gallon$0.200

FAQ

Where does copper in tap water come from?
Mostly from corrosion of the copper plumbing and brass fixtures inside your own building, not the source water - which is why your levels can differ from a neighbor's and why a home test is worth doing. The EPA action level is 1.3 mg/L under the Lead and Copper Rule.
Does a standard carbon pitcher remove copper?
Only if it's specifically certified to NSF/ANSI 53 for copper. Some certified pitchers cover copper while many basic carbon filters don't, so check the model - we won't credit one without the certification.

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