Diamond Lake (Illinois)

Diamond Lake is a glacial-origin lake located in the village of Mundelein in northeastern Lake County, Illinois. The lake has an average depth of around 7.61 feet (2.32 m), a maximum depth of 23 feet (7.0 m) a shoreline of 5.9 miles (9.5 km), and a surface area of 153 acres (62 ha). The lake's watershed contains about 686.16 acres (277.68 ha) of residential and agricultural land surrounding the lake. Diamond Lake's water is replenished by precipitation and runoff within its watershed. Water exits the lake via a drainage pipe that eventually connects to the Des Plaines River.