The optimal depth in a birdbath is two and a half inches.
Water is our most precious resources. Without water, life on earth could not exist. Boston Water and Sewer Commission (BWSC) is committed to conserving this precious resource through its many water improvement projects. In addition, BWSC offers its customers advice and suggestions as to how they can also preserve our planetís water.
The Conservation Tips page describes a number of methods for saving water in your home as well as outside in your garden. There are also suggestions on how we can change our personal habits to conserve water.
In addition, BWSC offers water Conservation Kits. This is a joint program with the Massachusetts Water Resources Authority and BWSC that provides free water conservation kits to residents of Boston.