PILARCITOS LK NR HILLSBOROUGH CA
Reservoir Levels • Weather • Hydrology
Pilarcitos Lake, located near Hillsborough, California, has a rich history dating back to the early 1900s when it was constructed as a source of drinking water for San Francisco. The lake is fed by a system of streams and has a capacity of approximately 13 billion gallons. The hydrology of the lake is unique as it relies heavily on snowpack in the surrounding mountains for its water supply. Specific surface flows are controlled by a network of dams and pipelines that carry the water to San Francisco. In addition to its importance as a water source, the lake also serves as a recreational area for activities such as fishing and hiking. Agricultural uses are limited due to the lake's designation as a protected watershed.
May 20, 2024
°F
°F
mph
Windspeed
%
Humidity
| Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change | -0.13% |
| Percent of Normal | 100% |
| Minimum |
675.75 ft
2021-10-20 |
| Maximum |
697.06 ft
2017-01-11 |
| Average | 692 ft |
| Dam_Height | 103 |
| Hydraulic_Height | 95.8 |
| Drainage_Area | 3.8 |
| Year_Completed | 1866 |
| Nid_Storage | 3100 |
| Hazard_Potential | High |
| Primary_Dam_Type | Earth |
| River_Or_Stream | Pilarcitos Crk |
| Surface_Area | 109 |
| Dam_Length | 520 |
| Nid_Height | 103 |
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