Iowa Noname18 is an earth dam located in Harrison County, Iowa, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 450 ft long, taller than 83% 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 Iowa Noname18
The primary purpose of Iowa Noname18 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 Walters Coberly Voss Cbs (private). It impounds the Tr-soldier River near Missouri Valley.
The dam stands 37 feet tall and stretches 450 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 148 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, 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. The most recent inspection on record was 10/31/1963. That was over 62 years ago.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Iowa |
| County | Harrison |
| Nearest City | Missouri Valley |
| River/Stream | Tr-soldier River |
| Coordinates | 41.78310, -95.93020 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 450 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 148 acre-ft |
| Max Storage | 148 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Walters Coberly Voss Cbs |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/31/1963 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00471 |
| Federal ID | IA00471 |
| More Info | State Dam Safety Program |