Sheep Canyon is a timber crib dam located in San Bernardino County, California, built in 1941. It carries a Significant hazard potential classification.

Hazard potentialSignificantFailure could cause major damage
ConditionNot assessed
Emergency action planNot reported
Last inspection09/28/2015
Height35 ft
Built194185 years ago

Dam profile

NID height · 35 ft
35 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

35 ft tall and 415 ft long, taller than 80% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Sheep Canyon

The primary purpose of Sheep Canyon is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Usda Fs (federal).

The dam stands 35 feet tall and stretches 415 feet across. Completed in 1941, the structure is well-established, with more than 75 years of service.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 09/28/2015. That was over 11 years ago.

At 35 feet, this dam is taller than 80% of dams nationwide.

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Location

StateCalifornia
CountySan Bernardino
Coordinates34.26526, -117.49996

Physical Characteristics

Dam TypeTimber Crib
NID Height35 ft
Dam Height35 ft
Dam Length415 ft
Year Completed1941 (85 years old)

Ownership & Safety

PurposeDebris Control
OwnerUsda Fs
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot assessed
Last Inspection09/28/2015
Emergency Action PlanNot Required

Identifiers

NID IDCA10394
Federal IDCA10394
More InfoState Dam Safety Program