Banks Dam

Banks Dam is an earth dam located in Plymouth County, Iowa, built in 1967. It carries a Low hazard potential classification.

About Banks Dam

The primary purpose of Banks 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 Donald Banks (private). It impounds the 1023 Tr-broken Kettle Creek near Big Sioux River.

The dam stands 35 feet tall and stretches 559 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 152 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, 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 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyPlymouth
Nearest CityBig Sioux River
River/Stream1023 Tr-broken Kettle Creek
Coordinates42.63790, -96.50090

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length559 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage152 acre-ft
Max Storage152 acre-ft
Normal Storage50 acre-ft
Surface Area7 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerDonald Banks
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA00870
Federal IDIA00870
More InfoState Dam Safety Program

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