This document reports on a piping plover survey that was conducted to determine statewide and site specific piping plover populations, nesting success and productivity. The New Jersey Division of Fish and Wildlife (NJDFW) - Endangered and Nongame Species Program (ENSP) was directly responsible for monitoring around 60% of the state's piping plover nesting sites, which includes half of the state's nesting population. All sites were monitored at least three times weekly, from April to August. A total of 135 pairs of piping plovers nested in NJ in 2004, the first drop in the breeding population in 6 years. NJDFW also compiled and analyzed nesting data for sites not managed by NJDFW, including sites at Gateway National Recreation Area-Sandy Hoo...