Harmony Creek Watershed Site 6
Harmony Creek Watershed Site 6 is an earth dam located in Harrison County, Iowa, built in 1958. It carries a Low hazard potential classification.
About Harmony Creek Watershed Site 6
The primary purpose of Harmony Creek Watershed Site 6 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 45 feet tall and stretches 660 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 210 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. The most recent inspection on record was 11/18/1965. That was over 60 years ago.
At 45 feet, this dam is taller than 91% 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 | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 660 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 210 acre-ft |
| Max Storage | 210 acre-ft |
| Normal Storage | 38 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 | Harrison County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/18/1965 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00481 |
| Federal ID | IA00481 |
| More Info | State Dam Safety Program |