Radium-228 in Drinking Water

EPA Limit (MCL)

5 pCi/L

EPA Goal (MCLG)

0 pCi/L

Status

Regulated

Health Effects

Radium-228 is radioactive and increases the risk of bone cancer when consumed in drinking water over time. It can also cause other cancers.

Occurs naturally in geological formations, especially in areas with thorium-bearing minerals. More common in groundwater from deep wells.

Ion exchange, reverse osmosis, and lime softening are effective treatment methods.

Connect with a certified water treatment professional.