EPA says atrazine threatens wildlife

1. Atrazine likely poses a threat to both land and water animals. 
2. Atrazine is banned in Europe but found in the drinking water of over 27 million people in the U.S. (About 8%.)
3. Atrazine is a potent endocrine disruptor. One study shows it changes the sex of frogs. 
4. EPA found that mammals are exposed to 198 times more atrazine than the “level of concern for chronic risk” and fish are exposed to 62 times that level.

Source
EWG.
Nature study of frogs changing sex.