South Hungerford 2 Watershed Site 11 is an earth dam located in Plymouth County, Iowa, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 503 ft long, taller than 86% 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 South Hungerford 2 Watershed Site 11
The primary purpose of South Hungerford 2 Watershed Site 11 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 Plymouth County Swcd (local government). It impounds the Tr-floyd River near Sioux City.
The dam stands 40 feet tall and stretches 503 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 43 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Iowa |
| County | Plymouth |
| Nearest City | Sioux City |
| River/Stream | Tr-floyd River |
| Coordinates | 42.57870, -96.24990 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 503 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 43 acre-ft |
| Max Storage | 43 acre-ft |
| Normal Storage | 18 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 | Plymouth County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00885 |
| Federal ID | IA00885 |
| More Info | State Dam Safety Program |