Dams in Stanislaus County, California

11Total Dams
4High Hazard
2Significant

Dam Safety in Stanislaus County, California

Stanislaus County has 11 dams tracked in the National Inventory of Dams. Of these, 4 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.

The average dam in Stanislaus County is 87 years old. The most common purpose is water supply. The tallest dam is La Grange at 131 ft.

DamHazardConditionHeight (ft)PurposeYear
WoodwardHighFair58Other1918
Turlock LakeHighFair36Other1915
Modesto ReservoirHighSatisfactory36Water Supply1911
Conagra Aerated And Settling PondsHighFair15Water Supply
La GrangeSignificantSatisfactory1311893
Modesto Effluent StorageSignificantSatisfactory20Water Supply1987
Rodden LakeLowSatisfactory40Other1916
OrvisLowSatisfactory34Water Supply1959
Dawson LakeLowSatisfactory22Water Supply1896
J&t Cattle Company No. 1LowFair22Water Supply2013
J&t Cattle Company No. 2LowFair14Water Supply1980