Little Egypt Subwatershed 5-4730

Little Egypt Subwatershed 5-4730 is an earth dam located in Woodbury County, Iowa, built in 1961. It carries a Low hazard potential classification.

About Little Egypt Subwatershed 5-4730

The primary purpose of Little Egypt Subwatershed 5-4730 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 35 feet tall and stretches 350 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 85 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.

At 35 feet, this dam is taller than 82% of dams nationwide.

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

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyWoodbury
Nearest CityRolly Springs
River/StreamTr-west Fork Little Sioux Riv
Coordinates42.33880, -96.11670

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length350 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage85 acre-ft
Max Storage85 acre-ft
Normal Storage24 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 IDIA01745
Federal IDIA01745
More InfoState Dam Safety Program

Nearby Dams