Baldwin Lake (Los Angeles County, California)
Baldwin Lake is a sag pond in the Los Angeles County Arboretum and Botanic Garden, which is in the San Gabriel Valley of Southern California, south of the San Gabriel Mountains. The pond, arboretum, and botanic garden are all within the city of Arcadia.
| Baldwin Lake | |
|---|---|
Looking north across Baldwin Lake from near the Queen Anne Cottage at the Los Angeles County Arboretum and Botanic Garden. California native fan palm trees (Washingtonia filifera) and Mexican fan palm trees (Washingtonia robusta) line the north shore. | |
Baldwin Lake Baldwin Lake | |
| Location | Arcadia, California |
| Coordinates | 34°08′31″N 118°03′15″W |
| Type | Sag pond |
| Primary inflows |
|
| Primary outflows | Aquifer recharge |
| Basin countries | United States |
| Average depth | 2 feet (0.61 m) |
| Max. depth | 30 inches (760 mm) formerly 18 feet (5.5 m) |
The pond is fed by stormwater and natural springs; water flows out of the pond to the aquifer at Raymond Fault, and on to the Rio Hondo. Baldwin Lake is part of the Los Angeles River watershed.
The area of the pond is about 4 acres (1.6 ha). Silt and pollutants embedded in the pond by surface runoff have reduced its depth from about 12 feet (3.7 m) to 30 inches (760 mm).
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