Miller-main Dam
Miller-main Dam is an earth dam located in Union County, Iowa, built in 1990. It carries a Low hazard potential classification.
About Miller-main Dam
The primary purpose of Miller-main 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 E Millr & S Main (private). It impounds the Tr- Twelvemile Creek near Afton.
The dam stands 27 feet tall and stretches 330 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 18 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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 | Union |
| Nearest City | Afton |
| River/Stream | Tr- Twelvemile Creek |
| Coordinates | 40.99850, -94.31480 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 330 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 18 acre-ft |
| Max Storage | 18 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | E Millr & S Main |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02999 |
| Federal ID | IA02999 |
| More Info | State Dam Safety Program |