Bunch Reservoir

Bunch Reservoir is an earth dam located in Apache County, Arizona, built in 1929. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection09/18/2019
Height28 ft
Built192997 years ago

Dam profile

NID height · 28 ft
28 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

28 ft tall and 1,200 ft long, taller than 62% 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 Bunch Reservoir

The primary purpose of Bunch Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Pioneer Irrigation Company Inc. (private). It impounds the Little Colorado River near South Fork.

The dam stands 28 feet tall and stretches 1,200 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 512 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1929, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 09/18/2019.

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Location

StateArizona
CountyApache
Nearest CitySouth Fork
River/StreamLittle Colorado River
Coordinates34.04306, -109.44583

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height22 ft
Dam Length1,200 ft
Year Completed1929 (97 years old)

Storage & Hydraulics

NID Storage512 acre-ft
Max Storage512 acre-ft
Normal Storage512 acre-ft
Surface Area27 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerPioneer Irrigation Company Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection09/18/2019
Emergency Action PlanNot Required

Identifiers

NID IDAZ00125
Federal IDAZ00125
More InfoState Dam Safety Program