Viking Lake Dam
Viking Lake Dam is an earth dam located in Montgomery County, Iowa, built in 1957. It carries a Significant hazard potential classification and has a fair condition assessment.
About Viking Lake Dam
The primary purpose of Viking Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Iowa Department Of Natural Resources (state). It impounds the Dunns Creek near Villisca.
The dam stands 69 feet tall and stretches 1,220 feet across, creates a reservoir covering 148 acres, has a maximum storage capacity of 3,450 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/10/2022.
At 69 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Iowa |
| County | Montgomery |
| Nearest City | Villisca |
| River/Stream | Dunns Creek |
| Coordinates | 40.97660, -95.02820 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 69 ft |
| Dam Height | 69 ft |
| Dam Length | 1,220 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 3,450 acre-ft |
| Max Storage | 3,450 acre-ft |
| Normal Storage | 1,900 acre-ft |
| Surface Area | 148 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Iowa Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/10/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01366 |
| Federal ID | IA01366 |
| More Info | State Dam Safety Program |