Lake Fin-feather Dam is an earth dam located in Cerro Gordo County, Iowa, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,200 ft long, taller than 50% 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 Lake Fin-feather Dam
The primary purpose of Lake Fin-feather Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cerro Gordo County Conservation Board (local government). It impounds the Tr-winnebago River near Nora Springs.
The dam stands 25 feet tall and stretches 1,200 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 123 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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 | Cerro Gordo |
| Nearest City | Nora Springs |
| River/Stream | Tr-winnebago River |
| Coordinates | 43.10440, -93.18980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Normal Storage | 76 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cerro Gordo County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00175 |
| Federal ID | IA00175 |
| More Info | State Dam Safety Program |