Rosedale Lake
Reservoir in New Jersey · 29 acres · near Hopewell Township

Rosedale Lake is a 29-acre reservoir near Hopewell Township in New Jersey, with 1 carry-in launch listed here.
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2019 to 2022, 2025 and 2026.
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 Rosedale 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.
Kayak and canoe launches on Rosedale Lake
- Rosedale Lake Carry-in Access · Carry-in (canoe and kayak) · near Hopewell Township