Sundown Lake North Sediment Basin is an earth dam located in Appanoose County, Iowa, built in 2018. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 1,100 ft long, taller than 74% 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 Sundown Lake North Sediment Basin
Sundown Lake North Sediment Basin is a dam in Appanoose, Iowa. The dam is owned by Lake Sundown Rural Improvement Zone (private).
The dam stands 32 feet tall and stretches 1,100 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 296 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2018, the structure is relatively new.
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 | Appanoose |
| Nearest City | Unionville |
| Coordinates | 40.83800, -92.74700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 1,100 ft |
| Year Completed | 2018 (8 years old) |
Storage & Hydraulics
| NID Storage | 296 acre-ft |
| Max Storage | 296 acre-ft |
| Normal Storage | 237 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Lake Sundown Rural Improvement Zone |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04283 |
| Federal ID | IA04283 |
| More Info | State Dam Safety Program |