American Cyanamid Plant is a superfund site located at 1/4 Mi W Of Hwy 50, Weeping Water, NE 68463. The Environmental Protection Agency (EPA) identifies sites such as American Cyanamid Plant because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. American Cyanamid Plant is currently registered as an Archived superfund site by the EPA and does not require any clean up action or further investigation at this time.