West Fork #3 Subwtrshd Sta 38+15 #6

West Fork #3 Subwtrshd Sta 38+15 #6 is an earth dam located in Woodbury County, Iowa, built in 1961. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height27 ft
Built196165 years ago

Dam profile

NID height · 27 ft
27 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

27 ft tall and 346 ft long, taller than 59% 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 West Fork #3 Subwtrshd Sta 38+15 #6

The primary purpose of West Fork #3 Subwtrshd Sta 38+15 #6 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-west Fork Little Sioux Riv near Rolly Springs.

The dam stands 27 feet tall and stretches 346 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, 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.

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Location

StateIowa
CountyWoodbury
Nearest CityRolly Springs
River/StreamTr-west Fork Little Sioux Riv
Coordinates42.44660, -96.11050

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height27 ft
Dam Length346 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage67 acre-ft
Max Storage67 acre-ft
Normal Storage21 acre-ft
Surface Area4 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 assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA01261
Federal IDIA01261
More InfoState Dam Safety Program