The towns of Monroe, Newtown, Oxford, and Southbury border Lake Zoar.

The members represent the four towns bordering the lake and meet on a monthly basis.

[clarification needed] Lake Zoar is not stocked yearly with fish by the Connecticut Department of Environmental Protection, but the Pootatuck and Pomperaug rivers feed into it are heavily stocked with trout, many of which eventually make their way into the lake.

[15] In a 2008 study by the United States Department of Health and Human Services Smallmouth Bass varied between 0.35 and 0.58 ppm, suitable for one meal per month.

[16] Four invasive plant species exist in the lake as of a 2007 study, including Eurasian watermilfoil, Brittle waternymph, Curly leaf pondweed, and European waterclover.

[17] As with all the Housatonic River impoundments south of Bulls Bridge, Zebra Mussels have invaded and colonized Lake Zoar.