Bureau of Reclamation, Utah.
Newton Reservoir is formed by Newton Dam, Newton Project, on Clarkston Creek. on Clarkston Creek. Recreation at Newton Reservoir is directly managed by the Bureau of Reclamation. The recreation area is situated in an open setting with shoreline trees consisting of cottonwoods and willows, The reservoir is located north of Newton, Utah at the 4,770-foot elevation. The reservoir has a surface area of approximately 290 acres when full. Managed recreation season is June through September with relatively low use. The site has primitive facilities and no on-site manager or law enforcement. Use at your own risk. Common fish species include perch, bluegill, sunfish, and rainbow trout. All-weather access. No fees for boat launching, primitive camping, and picnicking. The Trenton U.S. Geological Service map covers the area.
Effective immediately, Reclamation will require all boats launching at Lake Berryessa to participate in a seal program to prevent the spread of invasive mussels. All vessels wishing to launch at Lake Berryessa will be inspected. A red quarantine seal will be applied for 30 days during, which the vessel will not be permitted to launch. Vessels that have finished the 30-day quarantine may return to the lake and have the seal removed by authorized staff and will be allowed to launch. For more information on this updated protocol, please view the press release here: https://www.usbr.gov/newsroom/news-release/5031.
North from Logan, Utah on U.S. Highway 91/89 to Smithfield 7 miles. Then take Utah State Road 218 to Newton. The Reservoir is about 2 miles north of Newton.