From Cairo Police:
July 11th, 2018
The area known as the WOODSTOCK DAM off of State Route 32 North has no access points surrounding the area.
Per Sgt. Busch
"First of all we do realize that at one time years ago this was a very popular place to swim, we also know that times have changed.
After receiving calls and information from many property owners and NYS DOT, we have discovered that at this time permission is not granted to anyone to access any property's leading to that old popular swimming area. This is for many reasons not just trespassing issues.
From here on out we will have to keep people and vehicles off of the property's surrounding the water, there is no access through Halfmoon Drive, Frank Hitchcock Road, homeowners driveways, State Route 32 and surrounding areas. A concrete barrier has been put in place by NYS DOT at the State Route 32 Northbound side where people were driving between the open area of guide rails. We thank everyone in advance for their cooperation with this matter"
More here: https://www.facebook.com/CairoNYPolice123