Harmony Creek Watershed Site 7
Harmony Creek Watershed Site 7 is an earth dam located in Harrison County, Iowa, built in 1958. It carries a Low hazard potential classification.
About Harmony Creek Watershed Site 7
The primary purpose of Harmony Creek Watershed Site 7 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 Harrison County Swcd (local government). It impounds the Harmony Creek near Missouri Valley.
The dam stands 40 feet tall and stretches 430 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 199 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Iowa |
| County | Harrison |
| Nearest City | Missouri Valley |
| River/Stream | Harmony Creek |
| Coordinates | 41.62570, -95.74380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 430 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 199 acre-ft |
| Max Storage | 199 acre-ft |
| Normal Storage | 76 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Harrison County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00482 |
| Federal ID | IA00482 |
| More Info | State Dam Safety Program |