White Oak Lake Dam
White Oak Lake Dam is an earth dam located in Mahaska County, Iowa, built in 1983. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About White Oak Lake Dam
The primary purpose of White Oak Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mahaska County Conservation Board (local government). It impounds the Tr- Snyder Cr. near South Skunk River.
The dam stands 39 feet tall and stretches 555 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 393 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1983, the structure is 43 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/07/2021.
At 39 feet, this dam is taller than 86% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Mahaska |
| Nearest City | South Skunk River |
| River/Stream | Tr- Snyder Cr. |
| Coordinates | 41.27410, -92.47650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 555 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 393 acre-ft |
| Max Storage | 393 acre-ft |
| Normal Storage | 168 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mahaska County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/07/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02274 |
| Federal ID | IA02274 |
| More Info | State Dam Safety Program |