Pjp Landfill is a superfund site located at 400 Sip Ave, Jersey City, NJ 07306. The Environmental Protection Agency (EPA) identifies sites such as Pjp Landfill 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. Pjp Landfill is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Pjp Landfill is considered one of the worst hazardous waste sites identified by the EPA.