Ba
Barium
heavy metalSDWA code: 1010
EPA Limit (MCL)
2 mg/L
Health Goal (MCLG)
2 mg/L
Unit of Measure
mg/L
How concentrations are reported
Health Effects
Increase in blood pressure at levels above the MCL. Long-term exposure can affect the cardiovascular system and kidneys.
How It Gets Into Water
Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits
Official EPA Guidance
For authoritative information on Bariumin drinking water, visit the EPA's official resource page.
View EPA Guidance ↗