Three Mile Creek Watershed Site 66 is an earth dam located in Adair County, Iowa, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 630 ft long. 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 Three Mile Creek Watershed Site 66
The primary purpose of Three Mile Creek Watershed Site 66 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 Adair County Swcd (local government). It impounds the Tr-three Mile Cr near Talmage.
The dam stands 23 feet tall and stretches 630 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1969, 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 | Adair |
| Nearest City | Talmage |
| River/Stream | Tr-three Mile Cr |
| Coordinates | 41.17580, -94.33950 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 630 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 31 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 | Adair County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01934 |
| Federal ID | IA01934 |
| More Info | State Dam Safety Program |