Mill Picayune Watershed Site I-1

Mill Picayune Watershed Site I-1 is an earth dam located in Harrison County, Iowa, built in 1984. It carries a Low hazard potential classification.

About Mill Picayune Watershed Site I-1

The primary purpose of Mill Picayune Watershed Site I-1 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 Harrison County Swcd (local government). It impounds the Tr- Boyer R. near Woodbine.

The dam stands 35 feet tall and stretches 506 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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
CountyHarrison
Nearest CityWoodbine
River/StreamTr- Boyer R.
Coordinates41.78720, -95.63360

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length506 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage110 acre-ft
Max Storage110 acre-ft
Normal Storage44 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA02299
Federal IDIA02299
More InfoState Dam Safety Program

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