|Primary inflows||Unnamed tributary of the Little Patuxent River|
|Basin countries||United States|
|Surface area||27 acres (11 ha)|
|Max. depth||7 ft (2.1 m)|
Lake Kittamaqundi is a man made 27-acre (110,000 m2) reservoir located in Columbia, Maryland in the vicinity of the Mall in Columbia. It is also adjacent to the Rouse Company's offices and visible from US-29.
The lake was created by the Rouse company in 1966 during the development of Columbia. The company and its homeowners association claimed it was named after the first Indian settlement in Howard County and "Kittamaqundi" in the tribe's language translates to "meeting place." Kittamaqundi actually was a 1600's Piscataway village 40 miles south that was named after its ruler, 'Kittamaquund'. "Kittamaqundi" translates to "Great Beaver Place" or "Strong Bear".
Kittamaqundi is one of four man-made lakes created with the construction of the Columbia development. The lake served a dual purpose as a recreational feature and a low cost primary catch basin for water runoff from Wilde Lake into the Little Patuxent River. In 1973 Hittman Associates was contracted by the EPA to recommend the reuse of storm water runoff from Columbia's reservoir system for residential drinking water to save on development costs.
One Kittamaqundi drowning in 1971 was ruled a suicide, with the recovery of the body inspiring the Stephen Amidon book "New City". Another drowning occurred in 1972 from an overturned canoe.
In 1990 funding was sought for a pathway around the lake and migrant geese were relocated and replaced with Trumpeter swans. In 1996, police patrols were increased along the lake and adjoining neighborhoods. In 1997, Canada goose droppings were costing the Columbia Association $20,000 a year in cleaning costs. A Border Collie and handler was hired for $17,000 a year to chase migrant geese from the lake.
Lake Kittamaqundi originally featured an island known as Nomanisan Island, named by Columbia resident Alan Levine in a 1980 contest held by the Columbia Association. The island's name came from the phrase "No Man Is an Island" by John Donne. The gap between the island and the east bank of the lake was filled, creating a peninsula, during the dredging of the lake in 2010.
The Mall in Columbia, General Growth Properties management offices, and buildings along Little Patuxent Parkway were developed with a minimum of stormwater management, and are directly in Kittamaqunidi's watershed. In 2008, a survey posted that 55,558 lbs. per year of total suspended solids (TSS) and 250 lbs. a year of phosphorus are collected in the lake. The recommendation was to have 6.3 million dollars in stormwater retention projects implemented to mitigate the development shortcomings for Lake Kittamaqundi alone.
In the fall of 2010, dredging began in Lake Kittamaqundi. As sediment built up over the years since the lake's creation the depth of the lake was reduced. This dredging effort focused on restoring the lake to the original depths, reinforcing the banks, and creating two new peninsulas to enhance water flow. The dredging was completed in November 2011.
In April 2014 a leaking diesel fuel holding tank at the Vantage House senior living facility filled the stormwater drains and deposited hundreds of gallons of diesel into Lake Kittamaqundi which had to be cleaned by Howard County Fire and Rescue.
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