Does A.O. Smith remove chromium-6?
Based on the itemized NSF, WQA & IAPMO certified-model listings we track for A.O. Smith (2 of 7 models) — coverage for this brand is partial, so we only state what is confirmed certified, not what isn’t.
Which A.O. Smith 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 | |
|---|---|---|
| A.O. Smith AORO-50 | reverse-osmosis | Buy on Amazon → |
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About chromium-6
'Erin Brockovich' chemical. Carcinogenic when ingested. No federal MCL specific to Cr6 (regulated under total chromium); CA has a 10 ppb limit.
What A.O. Smith filters are certified to remove
Across the A.O. Smith models we track, here’s what their certifications actually cover.
How we know: we normalize the public certified-product listings from NSF, WQA, and IAPMO. A “yes” means a specific A.O. Smith model is listed as certified for chromium-6. See our methodology.