Complex sentence: The park is one of three state parks located in the Town of Hempstead (Long Island) and, like Hempstead Lake State Park, originated as a feeder reservoir for the Ridgewood Reservoir.
Split into simpler sentences: The park is one of three state parks located in the Town of Hempstead on Long Island. Like Hempstead Lake State Park, Valley Stream State Park originated as a feeder reservoir for the Ridgewood Reservoir.