Carlson Dam
Carlson Dam is an earth dam located in Monona County, Iowa, built in 1971. 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 Harry Carlson (private). It impounds the Tr-jordan Creek near Moorhead.
The dam stands 27 feet tall and stretches 460 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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. The most recent inspection on record was 10/30/1963. That was over 62 years ago.
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Location
| State | Iowa |
| County | Monona |
| Nearest City | Moorhead |
| River/Stream | Tr-jordan Creek |
| Coordinates | 41.94850, -95.90250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 460 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Harry Carlson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/30/1963 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00698 |
| Federal ID | IA00698 |
| More Info | State Dam Safety Program |