Coberly/swenson Dam

Coberly/swenson Dam is an earth dam located in Monona County, Iowa, built in 1964. It carries a Low hazard potential classification.

About Coberly/swenson Dam

The primary purpose of Coberly/swenson 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 L Coberly & G Swenson (private). It impounds the Tr-norway Creek near Moorhead.

The dam stands 40 feet tall and stretches 330 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, the structure is well into its service life at over 50 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.

At 40 feet, this dam is taller than 87% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyMonona
Nearest CityMoorhead
River/StreamTr-norway Creek
Coordinates41.93560, -95.76360

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length330 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage86 acre-ft
Max Storage86 acre-ft
Normal Storage44 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerL Coberly & G Swenson
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA00754
Federal IDIA00754
More InfoState Dam Safety Program

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