Walling Subwatershed Sta 19+70 #4
Walling Subwatershed Sta 19+70 #4 is an earth dam located in Woodbury County, Iowa, built in 1953. It carries a Low hazard potential classification.
About Walling Subwatershed Sta 19+70 #4
The primary purpose of Walling Subwatershed Sta 19+70 #4 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-little Sioux River near Oto.
The dam stands 31 feet tall and stretches 250 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 32 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1953, 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
| State | Iowa |
| County | Woodbury |
| Nearest City | Oto |
| River/Stream | Tr-little Sioux River |
| Coordinates | 42.34650, -95.86320 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 250 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 32 acre-ft |
| Max Storage | 32 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Woodbury County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01812 |
| Federal ID | IA01812 |
| More Info | State Dam Safety Program |