Hg
Mercury (inorganic)
heavy metalSDWA code: 1035
EPA Limit (MCL)
2.000 ppb (0.002 mg/L)
Health Goal (MCLG)
2.000 ppb (0.002 mg/L)
Unit of Measure
mg/L
How concentrations are reported
Health Effects
Kidney damage. Neurological effects including tremors, memory loss, and mood changes with chronic exposure.
How It Gets Into Water
Erosion of natural deposits; discharge from refineries and factories; runoff from landfills; runoff from cropland
Official EPA Guidance
For authoritative information on Mercury (inorganic)in drinking water, visit the EPA's official resource page.
View EPA Guidance ↗