Greenwood Dam is an earth dam located in Harrison County, Iowa, built in 1996. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 217 ft long, taller than 78% 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 Greenwood Dam
The primary purpose of Greenwood 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 Ron Greenwood (private). It impounds the Tr- Harris Grove Creek near Missouri Valley.
The dam stands 34 feet tall and stretches 217 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 28 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1996, the structure is 30 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.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Iowa |
| County | Harrison |
| Nearest City | Missouri Valley |
| River/Stream | Tr- Harris Grove Creek |
| Coordinates | 41.58170, -95.74350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 217 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 28 acre-ft |
| Max Storage | 28 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ron Greenwood |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03185 |
| Federal ID | IA03185 |
| More Info | State Dam Safety Program |