From the report introduction:
This report summarizes the water quality and aquatic habitat conditions of the freshwater ponds of Chatham, and recommends measures for protection and restoration of this valuable resource. Twenty inland ponds are included in this report; the ponds range in size from 0.5 to 16.7 ha (1.2 - 41 acres) and are used for aesthetic enjoyment, recreational fishing, swimming, and boating.