Overview
Endrin is a banned organochlorine insecticide that is persistent and bioaccumulative. Endrin damages the nervous, immune and reproductive systems in people. It also harms fish, birds and other wildlife.
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.3 ppb
The EWG Health Guideline of 0.3 ppb for endrin was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change to the heart and blood vessels.
EPA Maximum Contaminant
Level (MCL): 2 ppb
The legal limit for endrin, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.
ppb = parts per billion
National Standard Exists
Health Concerns:
Cancer
Change to the central nervous system
Harm to the immune system
Harm to the reproductive system
