Will a standard pitcher remove chromium-6?

Usually not, so do not rely on the pitcher you already own. Most carbon pitchers and faucet filters are not certified for chromium-6. Look instead for a reverse-osmosis system certified to NSF/ANSI 58, or a specific NSF/ANSI 53 hexavalent-chromium claim on the listing.

Contaminant · Water

Chromium-6 (Hexavalent Chromium)

EPA MCL 100 ppb total chromium; California 10 ppb chromium-6. 3 of the water filters we score hold an accredited NSF, WQA, or IAPMO certification to reduce Chromium-6 (Hexavalent Chromium), and 2 more market it with no accredited certification we could verify. A claim is not a certification.

What it is

You may know this one already without the chemistry name: hexavalent chromium (chromium-6) was the contaminant at the center of the Hinkley, California case made famous by Erin Brockovich. It enters drinking water from industrial discharge and some natural deposits, and like arsenic and nitrate it is tasteless and colorless, so you cannot detect it without testing.

Why it matters

Two numbers to anchor this. The EPA regulates total chromium at a maximum contaminant level of 0.1 mg/L (100 ppb), which covers chromium-6 and chromium-3 together, and California sets a separate, tighter chromium-6 limit of 10 ppb. Those are the regulatory reference points we use. What we score is whether a filter is certified to reduce chromium-6, not any health outcome.

What removes it

The most common certified route is reverse osmosis (NSF/ANSI 58); some systems carry a specific NSF/ANSI 53 hexavalent-chromium claim. The thing to avoid assuming: ordinary carbon filtration does not reliably remove chromium-6, so what counts is certification for it specifically, not the filter type.

Reference: EPA National Primary Drinking Water Regulations (total chromium MCL 0.1 mg/L); California chromium-6 MCL 10 ppb.

Scored filters certified for Chromium-6 (Hexavalent Chromium)

7.5
AquaTru Classic Countertop RO
A no-plumbing countertop 4-stage RO purifier certified to NSF standards for lead, PFAS, fluoride and arsenic with an efficient drain ratio.
6.6
Waterdrop G3P800 Tankless RO
A tankless 800 GPD reverse-osmosis system IAPMO-certified to NSF/ANSI 42, 53, 58 and 372 for a broad contaminant list including lead, PFAS, arsenic, nitrate and fluoride.
4.9
ZeroWater 5-Stage Pitcher (7-Cup)
A five-stage ion-exchange pitcher certified for lead, chromium-6 and PFOA/PFOS - but a short 15-gallon filter makes it costly to run.

Marketed for Chromium-6 (Hexavalent Chromium), but not certified

These scored filters market Chromium-6 (Hexavalent Chromium) reduction but we found no accredited NSF, WQA, or IAPMO certification for it - "tested to" is not "certified to." Absence of certification is not proof a product fails to reduce it, only that we found no independent verification.

3.2
Epic Pure Pitcher
A 150-gallon solid-block carbon pitcher lab-tested to NSF/ANSI standards for fluoride, lead and PFAS - tested to standards, but not third-party certified.
2.5
Clearly Filtered Pitcher
Certified only to NSF/ANSI 42 and 372, its 365+ contaminant claims come from non-accredited lab testing, not health-effects certification.

FAQ

Will a standard pitcher remove chromium-6?: Usually not, so do not rely on the pitcher you already own. Most carbon pitchers and faucet filters are not certified for chromium-6. Look instead for a reverse-osmosis system certified to NSF/ANSI 58, or a specific NSF/ANSI 53 hexavalent-chromium claim on the listing.