Presumpscot Watershed Initiative

Geospatial Database

Instructions: click on any of the numbered sites
on the map above to view details and photos.

Little Sebago / Ditch Brook Watershed

Location:

The Little Sebago / Ditch Brook watershed is located in Windham, Gray, and Raymond.

Size:

Little Sebago / Ditch Brook watershed is approximately 20 square miles; it makes up 10% of the Presumpscot River watershed system.

Population:

The population of the Little Sebago / Ditch Brook watershed is a just over 3,000, or approximately 5% of the population in the Presumpscot River watershed system.

Impervious Surfaces:

Impervious surfaces are those surfaces in the landscape that cannot infiltrate rainfall, such as rooftops, pavement, sidewalks, driveways and compacted earth. Impervious surface areas of 10% or greater are often correlated with reduced water quality. Approximately 4% of the Little Sebago / Ditch Brook watershed, more than 550 acres, is comprised of impervious surfaces.

Return to Presumpscot River Watershed Overview Map

BMP 31 Info BMP 32 Info BMP 101 Info BMP 92 Info BMP 93 Info BMP 94 Info BMP 24 Info Return to Presumpscot River Watershed