Mystic Reservoir Dam is an earth dam located in Appanoose County, Iowa, built in 1930. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 555 ft long, taller than 72% 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 Mystic Reservoir Dam
The primary purpose of Mystic Reservoir 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 City of Mystic (local government). It impounds the Tr-little Walnut Creek near Mystic.
The dam stands 31 feet tall and stretches 555 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 101 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/06/2011. That was over 15 years ago.
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Location
| State | Iowa |
| County | Appanoose |
| Nearest City | Mystic |
| River/Stream | Tr-little Walnut Creek |
| Coordinates | 40.79120, -92.94530 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 555 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | City of Mystic |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/06/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00097 |
| Federal ID | IA00097 |
| More Info | State Dam Safety Program |