Every year, thousands of Durham residents flock to the West Point on the Eno Park for the annual Eno River festival, to look at crafts, eat food, listen to music, and even take a dip in the river itself. But with a dense residential development planned for nearby, some neighbors are sounding the alarm that the project could ruin the park, and damage the health of the Eno River. Sun Forest Systems, a Chapel Hill-based custom design and building company, wants to build “Westpoint at Eno,” with 278 townhomes and 101 single-family homes. The 94-acre site runs along the south of the West Point on the Eno park, with an entrance on North Roxboro Road. The development would build over Black Meadow Ridge, an area that is a buffer between the West Point park and neighborhoods. Black Meadow Ridge has been under discussion for possible conservation over the years. “We had heard about this just through word of mouth,” said Chris Hodgson, who lives in one of the neighborhoods right behind Black Meadow Ridge. Hodgson …