Ball Pond is a "no motors" lake. It is a Town of New Fairfield ordinance supported by the DEEP. No motors means exactly that, just as Cat stated in his post above; no electric motors, no gas motors, either on a boat or otherwise such as a gas or electric ice auger.
One of the reasons is to provide a nice pond for kayaks, canoes and small sailboats, while Squantz Pond provides for small engine boats up to 25hp, and Candlewood provides for all other sized boats up to about 25'. This gives each group a special place to go without interruption from larger and more powerful craft. It is a safety and quality of experience issue.