Gustafson/harmon Dam is an earth dam located in Wayne County, Iowa, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 376 ft long, taller than 50% 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 Gustafson/harmon Dam
The primary purpose of Gustafson/harmon 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 G Gustafson & J Harmon (private). It impounds the Tr-jackson Creek near Rathbun Reservoir.
The dam stands 25 feet tall and stretches 376 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 35 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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.
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Location
| State | Iowa |
| County | Wayne |
| Nearest City | Rathbun Reservoir |
| River/Stream | Tr-jackson Creek |
| Coordinates | 40.74270, -93.26620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 376 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | G Gustafson & J Harmon |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01873 |
| Federal ID | IA01873 |
| More Info | State Dam Safety Program |