Winkler Dam
Winkler Dam is an earth dam located in Wapello County, Iowa, built in 1963. It carries a Low hazard potential classification.
About Winkler Dam
The primary purpose of Winkler Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Vesta Winkler (private). It impounds the Tr-des Moines River near Ottumwa.
The dam stands 30 feet tall and stretches 500 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 156 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, 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 | Wapello |
| Nearest City | Ottumwa |
| River/Stream | Tr-des Moines River |
| Coordinates | 41.00380, -92.33680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 500 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 156 acre-ft |
| Max Storage | 156 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Vesta Winkler |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02055 |
| Federal ID | IA02055 |
| More Info | State Dam Safety Program |