Mariposa Creek Dam

June 6 2023

177 acre-ft

Water storage levels at Mariposa Creek Dam are currently 177 acre-ft, about 113% of normal. The average for this time of year is approximately 156.41acre-ft.

Maximum recorded Storage since record keeping began in 2003 was 2017-02-10 when levels reached 15,873 acre-ft. Lowest recorded Storage was 2004-08-07 when levels receded to 1 acre-ft.

Mariposa Creek Dam is located in Mariposa County, California, and was constructed in 1947. The dam is a zoned earthfill structure and has a height of 78 feet and a length of 650 feet. The reservoir formed by the dam has a capacity of 23,300 acre-feet and provides irrigation water to approximately 5,000 acres of farmland in the adjacent areas. The hydrology of Mariposa Creek Dam is mainly influenced by surface flow and snowpack providers such as the Sierra Nevada Mountains. The dam also serves as a recreational area, attracting visitors for activities such as fishing, boating, and camping. The Mariposa Creek Dam is regularly inspected for safety and maintenance purposes, ensuring the continued protection of the surrounding agricultural and recreational resources.