Contaminant · Radium 226 and 228 combined

What water filters remove radium

Radium 226 and 228 combined

verified 2026-09-20
sources 1

The short answer

Radium 226 and 228 combined reduction is certified under NSF/ANSI 44 and NSF/ANSI 58.

Of the 2 systems in our database that advertise radium reduction, 2 hold a matching third-party listing.

  • NSF/ANSI 44NSF/ANSI 44 permits this claim, but no system we hold carries it under that standard.
  • NSF/ANSI 582 of the 2 certified systems we hold carry this claim under NSF/ANSI 58.

Regulatory status · United States

Current federal limit
5 pCi/L
Radium 226 and 228 combined. Picocuries per litre.
Status
✓In force
Pending change
None recorded.
As of
20 Sep 2026
Primary source: U.S. EPA

Settled. We re-check the federal register entry quarterly and stamp this panel with the date of the last check.

Certified to reduce Radium 226 and 228 combined

2 systems

Every row below has a matching listing in a certifier database, checked on 20 Sep 2026. Sorted by FilterSpecs score.

Table 1 · Certified Radium 226 and 228 combined reduction
System Score Reduction Standard Price
APEC ULTIMATE RO-90 5-Stage Reverse Osmosis System 6.2 Not published NSF/ANSI 58 $232.99
GE Appliances GXRV40TBN Reverse Osmosis Drinking Water System 5.9 Not published NSF/ANSI 58 $259.99

swipe table →

Reduction figures are the certified performance in the listing, not manufacturer marketing. See methodology.

Sources

  1. [1] U.S. EPA. Radium 226 and 228 combined drinking water standard. retrieved 2026-09-20
6.2 · APEC ULTIMATE RO-90 5-Stage Reverse Osmosis System top certified pick Buy · $232.99