Mercer Lake
Reservoir in New Jersey · 291 acres · near West Windsor

Mercer Lake is a 291-acre reservoir near West Windsor in New Jersey, with 1 public boat ramp listed here. The deepest point is about 17 feet.
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2021 and 2022.
state reports compiled by U.S. EPA · checked October 20, 2026
Motors: Electric motors only (for the whole water, per the boating rules map of New Jersey Department of Environmental Protection GIS: developed using NJDEP Geographic Information System digital data, but this secondary product has not been verified by NJDEP and is not state-authorized or endorsed; check the posted rules before you go)
Boating rules
- Outboard motors: electric only · all of Mercer Lake rule
From the boating rules map of New Jersey Department of Environmental Protection GIS: developed using NJDEP Geographic Information System digital data, but this secondary product has not been verified by NJDEP and is not state-authorized or endorsed, read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Depth contours in feet from NJDEP (fieldwork 2018); deepest point about 17 ft. Lake levels and bottoms change; not for navigation.
Boat launches on Mercer Lake
- Mercer County Marina Boat Ramp · Boat ramp · near West Windsor
Wikidata: Q14705740