West Sunnyside Watershed Site C-8 is an earth dam located in Plymouth County, Iowa, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 435 ft long. 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 West Sunnyside Watershed Site C-8
The primary purpose of West Sunnyside Watershed Site C-8 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-broken Kettle Creek near Sioux City.
The dam stands 24 feet tall and stretches 435 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 95 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1970, 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 | Plymouth |
| Nearest City | Sioux City |
| River/Stream | Tr-broken Kettle Creek |
| Coordinates | 42.72150, -96.50410 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 435 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 95 acre-ft |
| Max Storage | 95 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 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 | IA00858 |
| Federal ID | IA00858 |
| More Info | State Dam Safety Program |