Van Hall Dam is an earth dam located in Union County, Iowa, built in 1995. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 1,760 ft long. 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 Hall Dam
Van Hall Dam is a dam in Union, Iowa. The dam is owned by Arvin Vanhall (private). It impounds the Tr- Twelve Mile Creek near Grand River.
The dam stands 8 feet tall and stretches 1,760 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 79 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 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 | Union |
| Nearest City | Grand River |
| River/Stream | Tr- Twelve Mile Creek |
| Coordinates | 40.90340, -94.03880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 1,760 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 79 acre-ft |
| Max Storage | 79 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Arvin Vanhall |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02945 |
| Federal ID | IA02945 |
| More Info | State Dam Safety Program |