Layton Reservoir 1

Layton Reservoir 1 is an earth dam located in Crook County, Oregon, built in 1977. It carries a Low hazard potential classification.

About Layton Reservoir 1

The primary purpose of Layton Reservoir 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by James Layton (private). It impounds the Grinstone Creek near No Downstream Settlement.

The dam stands 25 feet tall and stretches 1,900 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 177 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1977, the structure is 49 years old.

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 09/14/2015. That was over 10 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyCrook
Nearest CityNo Downstream Settlement
River/StreamGrinstone Creek
Coordinates44.14885, -119.84850

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length1,900 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage177 acre-ft
Max Storage177 acre-ft
Normal Storage93 acre-ft
Surface Area19 acres
Drainage Area10 sq mi
Max Discharge898 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerJAMES LAYTON
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/14/2015
Emergency Action PlanNot Required

Identifiers

NID IDOR00717
Federal IDOR00717
More InfoState Dam Safety Program

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