Mill Picayune Watershed Site M-3-1

Mill Picayune Watershed Site M-3-1 is an earth dam located in Harrison County, Iowa, built in 1964. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height48 ft
Built196462 years ago

Dam profile

NID height · 48 ft
48 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

48 ft tall and 558 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About Mill Picayune Watershed Site M-3-1

The primary purpose of Mill Picayune Watershed Site M-3-1 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 Mill Creek near Woodbine.

The dam stands 48 feet tall and stretches 558 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 77 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 48 feet, this dam is taller than 92% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateIowa
CountyHarrison
Nearest CityWoodbine
River/StreamMill Creek
Coordinates41.81070, -95.59030

Physical Characteristics

Dam TypeEarth
NID Height48 ft
Dam Height48 ft
Dam Length558 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage77 acre-ft
Max Storage77 acre-ft
Normal Storage50 acre-ft
Surface Area4 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 IDIA00466
Federal IDIA00466
More InfoState Dam Safety Program