Walling Subwatershed Sta 38+00 #1b
Walling Subwatershed Sta 38+00 #1b is an earth dam located in Woodbury County, Iowa, built in 1953. It carries a Low hazard potential classification.
About Walling Subwatershed Sta 38+00 #1b
The primary purpose of Walling Subwatershed Sta 38+00 #1b 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 32 feet tall and stretches 300 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 31 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.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Oto |
| River/Stream | Tr-little Sioux River |
| Coordinates | 42.33820, -95.88050 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 300 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 31 acre-ft |
| Max Storage | 31 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 1 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 | IA01803 |
| Federal ID | IA01803 |
| More Info | State Dam Safety Program |