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WaterSafety

Uranium in Drinking Water

Radionuclide · MCL: 30 ppb · 0 systems exceeding limit

Overview

Uranium is regulated under the Safe Drinking Water Act with an MCL of 30 ppb. The EPA Safe Drinking Water program sets and enforces the maximum contaminant levels shown here.

Health Effects

Exposure to Uranium above the MCL of 30 ppb may cause adverse health effects. Consult EPA fact sheets for detailed information.

Sources of Contamination

Uranium can enter drinking water from natural deposits, industrial discharges, or other sources.

Treatment & Removal

Treatment methods for Uranium include activated carbon filtration, reverse osmosis, and specialized media.

How to Remove Uranium From Water

These filtration methods are effective for reducing Uranium in drinking water:

Filter MethodEffectivenessCost RangeCertification
Reverse Osmosis (RO)95-99% removal$200-500 (under-sink)NSF/ANSI 58
Ion Exchange (Anion)90-95% removal$500-2000 (whole-house)NSF/ANSI 53
Reverse Osmosis (RO) — details

Most effective consumer method for uranium.

Ion Exchange (Anion) — details

Strong base anion exchange resin designed for uranium removal.

Water Systems with Uranium Detected