Winther Dam
Winther Dam is an earth dam located in Audubon County, Iowa, built in 1968. It carries a Low hazard potential classification.
About Winther Dam
The primary purpose of Winther Dam 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 Alfred Winther (private). It impounds the Tr-lone Willow Creek near Avoca.
The dam stands 25 feet tall and stretches 538 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 58 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Audubon |
| Nearest City | Avoca |
| River/Stream | Tr-lone Willow Creek |
| Coordinates | 41.72920, -94.99770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 538 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 58 acre-ft |
| Max Storage | 58 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Alfred Winther |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00127 |
| Federal ID | IA00127 |
| More Info | State Dam Safety Program |