Carlson Dam
Carlson Dam is an earth dam located in Audubon County, Iowa, built in 1950. It carries a Low hazard potential classification.
About Carlson Dam
The primary purpose of Carlson 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 Elmer Carlson (private). It impounds the Tr-four Mile Cr near Atlantic.
The dam stands 33 feet tall and stretches 565 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 188 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1950, 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. The most recent inspection on record was 06/02/1999. That was over 26 years ago.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Iowa |
| County | Audubon |
| Nearest City | Atlantic |
| River/Stream | Tr-four Mile Cr |
| Coordinates | 41.60880, -94.79940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 565 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 188 acre-ft |
| Max Storage | 188 acre-ft |
| Normal Storage | 103 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Elmer Carlson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/02/1999 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01966 |
| Federal ID | IA01966 |
| More Info | State Dam Safety Program |