Cat Coulee Dam

Cat Coulee Dam is an earth dam located in Grant County, North Dakota, built in 1938. It carries a Low hazard potential classification.

About Cat Coulee Dam

The primary purpose of Cat Coulee Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Grant County Wrb (local government). It impounds the Cat Coulee near N.

The dam stands 21 feet tall and stretches 300 feet across, has a maximum storage capacity of 115 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1938, 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 04/12/2016.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNorth Dakota
CountyGrant
Nearest CityN
River/StreamCat Coulee
Coordinates46.54334, -101.46866

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length300 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage115 acre-ft
Max Storage115 acre-ft
Normal Storage30 acre-ft
Drainage Area4 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerGrant County WRB
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection04/12/2016
Emergency Action PlanNot Required

Identifiers

NID IDND00288
Federal IDND00288
More InfoState Dam Safety Program

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