Larson Dam
Larson Dam is an earth dam located in Boone County, Iowa, built in 2001. It carries a Low hazard potential classification.
About Larson Dam
The primary purpose of Larson 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 Larson Family Farms Ltd (private). It impounds the Tr- Big Creek near Big Creek Reservoir.
The dam stands 33 feet tall and stretches 680 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 239 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2001, the structure is relatively new.
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.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Iowa |
| County | Boone |
| Nearest City | Big Creek Reservoir |
| River/Stream | Tr- Big Creek |
| Coordinates | 41.88670, -93.74330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 680 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 239 acre-ft |
| Max Storage | 239 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Larson Family Farms Ltd |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03580 |
| Federal ID | IA03580 |
| More Info | State Dam Safety Program |