West Fork #3 Subwtrshd Sta 37+14 #9 is an earth dam located in Woodbury County, Iowa, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 55 ft55 ft tall and 498 ft long, taller than 94% 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 West Fork #3 Subwtrshd Sta 37+14 #9
The primary purpose of West Fork #3 Subwtrshd Sta 37+14 #9 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 55 feet tall and stretches 498 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 78 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. The most recent inspection on record was 10/16/1963. That was over 63 years ago.
At 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Rolly Springs |
| River/Stream | Tr-west Fork Little Sioux Riv |
| Coordinates | 42.46910, -96.11110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 498 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 78 acre-ft |
| Max Storage | 78 acre-ft |
| Normal Storage | 30 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 assessed |
| Last Inspection | 10/16/1963 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01257 |
| Federal ID | IA01257 |
| More Info | State Dam Safety Program |