Hop Canyon Mill is a superfund site located at 1.7mi Sse Of Jnct With Us60, Magdalena, NM 87825. The Environmental Protection Agency (EPA) identifies sites such as Hop Canyon Mill 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. Hop Canyon Mill 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.