Littlefield Silt Control Dam is an earth dam located in Audubon County, Iowa, built in 1987. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 600 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 Littlefield Silt Control Dam
Littlefield Silt Control Dam is a dam in Audubon, Iowa. The dam is owned by Audubon County Conservation Board (local government). It impounds the Tr-littlefield Lake near Atlantic.
The dam stands 15 feet tall and stretches 600 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 98 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1987, the structure is 39 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 | Audubon |
| Nearest City | Atlantic |
| River/Stream | Tr-littlefield Lake |
| Coordinates | 41.55850, -94.77710 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 600 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 98 acre-ft |
| Max Storage | 98 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Audubon County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02423 |
| Federal ID | IA02423 |
| More Info | State Dam Safety Program |