Van Donselar Dam is an earth dam located in Mahaska County, Iowa, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 372 ft long, taller than 68% 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 Van Donselar Dam
The primary purpose of Van Donselar 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 Arnold Vandonselar (private). It impounds the Tr- South Skunk River near Lake Keomah State Park.
The dam stands 30 feet tall and stretches 372 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1998, the structure is 28 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 | Mahaska |
| Nearest City | Lake Keomah State Park |
| River/Stream | Tr- South Skunk River |
| Coordinates | 41.28360, -92.54920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 372 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Arnold Vandonselar |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03370 |
| Federal ID | IA03370 |
| More Info | State Dam Safety Program |