Dickman Subwatershed Site M-4

Dickman Subwatershed Site M-4 is an earth dam located in Woodbury County, Iowa, built in 1973. It carries a Low hazard potential classification.

About Dickman Subwatershed Site M-4

The primary purpose of Dickman Subwatershed Site M-4 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 Woodbury County Swcd (local government). It impounds the Tr-little Sioux River near Smithland.

The dam stands 34 feet tall and stretches 644 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 59 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1973, 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 34 feet, this dam is taller than 80% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyWoodbury
Nearest CitySmithland
River/StreamTr-little Sioux River
Coordinates42.24540, -95.89130

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length644 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage59 acre-ft
Max Storage59 acre-ft
Normal Storage33 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerWoodbury County SWCD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA01166
Federal IDIA01166
More InfoState Dam Safety Program

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