Does ZeroWater remove mercury?

Yes

1 ZeroWater model we track is independently certified to remove mercury — a under-sink filter.

Based on the itemized NSF, WQA & IAPMO certified-model listings we track for ZeroWater (1 of 7 models) — coverage for this brand is partial, so we only state what is confirmed certified, not what isn’t.

Which ZeroWater models are certified

Certification is per model — make sure the product you buy is one of these specific certified models, not just the same brand.

Certified model	Type
ZeroWater ZAS	under-sink	Buy on Amazon →

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About mercury

MCL 2 ug/L. Kidney and neurological damage. Industrial/natural sources.

What ZeroWater filters are certified to remove

Across the ZeroWater models we track, here’s what their certifications actually cover.

✓ lead ✓ PFAS ✓ arsenic ✓ mercury

See every filter certified for mercury — all brands, ranked.

Certified for mercury →

Other brands & mercury

PUR Yes Waterdrop Yes APEC Yes Multipure Yes eSpring Yes Pentair Yes Samsung Yes LG Yes Whirlpool Yes Frigidaire Yes Bosch Yes

How we know: we normalize the public certified-product listings from NSF, WQA, and IAPMO. A “yes” means a specific ZeroWater model is listed as certified for mercury. See our methodology.