Storage Levels Hydrology Weather

California San Diego Watershed

Lower Otay

June 6 2023

46,355 acre-ft

None% today
None% of Normal Very Low

Water storage levels at Lower Otay are currently 46,355 acre-ft, about None% of normal. The average for this time of year is approximately Noneacre-ft.

Maximum recorded Storage since record keeping began in 2021 was 2023-04-03 when levels reached 46,959 acre-ft. Lowest recorded Storage was 2023-01-17 when levels receded to 3,401 acre-ft.

Lower Otay is a reservoir located in San Diego County, California. The reservoir was created in 1918 when the Lower Otay Dam was constructed to provide water to the growing city of San Diego. The reservoir is fed by the Otay River, and it also receives water from the Colorado River via the All-American Canal. The reservoir is used for agricultural irrigation, municipal water supply, and recreational activities such as fishing, boating, and hiking. The water levels in the reservoir are influenced by both surface flow and snowpack, with the latter being particularly important in dry years. The reservoir is managed by the Otay Water District, and it plays a critical role in providing water to the surrounding communities.

Geolocation -116.927, 32.609
Elevation 485 ft
Storage 24hr Change None%
Percent of Normal None%
Minimum 3,401 acre-ft
Maximum 46,959 acre-ft
Average acre-ft


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