U
Uranium
radionuclideSDWA code: 4006
EPA Limit (MCL)
30.000 ppb (0.03 mg/L)
Health Goal (MCLG)
Zero (0)
No level is considered safe
Unit of Measure
mg/L
How concentrations are reported
Health Effects
Kidney toxicity (chemical) and increased cancer risk (radiological). Primarily damages the kidneys with long-term exposure.
The EPA has set the health goal (MCLG) at zero, meaning no level of exposure is considered risk-free.
How It Gets Into Water
Erosion of natural deposits; residue from the processing of uranium ore; discharge from nuclear power plants
Official EPA Guidance
For authoritative information on Uraniumin drinking water, visit the EPA's official resource page.
View EPA Guidance ↗