Mill Picayune Watershed Site S-8-1

Mill Picayune Watershed Site S-8-1 is an earth dam located in Harrison County, Iowa, built in 1985. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height30 ft
Built198541 years ago

Dam profile

NID height · 30 ft
30 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

30 ft tall and 575 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Mill Picayune Watershed Site S-8-1

The primary purpose of Mill Picayune Watershed Site S-8-1 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- Picayune Cr. near Woodbine.

The dam stands 30 feet tall and stretches 575 feet across, creates a reservoir covering 54 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1985, the structure is 41 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.

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Location

StateIowa
CountyHarrison
Nearest CityWoodbine
River/StreamTr- Picayune Cr.
Coordinates41.73700, -95.61880

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length575 ft
Year Completed1985 (41 years old)

Storage & Hydraulics

NID Storage150 acre-ft
Max Storage150 acre-ft
Normal Storage70 acre-ft
Surface Area54 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 assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA02300
Federal IDIA02300
More InfoState Dam Safety Program