Olson Dam
Olson Dam is an earth dam located in Story County, Iowa, built in 1969. It carries a Low hazard potential classification and has a poor condition assessment.
About Olson Dam
The primary purpose of Olson 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 Jean Olson (private). It impounds the Tr-skunk River near Cambridge.
The dam stands 24 feet tall and stretches 412 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 131 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1969, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/02/2013. That was over 12 years ago.
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Location
| State | Iowa |
| County | Story |
| Nearest City | Cambridge |
| River/Stream | Tr-skunk River |
| Coordinates | 41.94170, -93.52940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 412 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 131 acre-ft |
| Max Storage | 131 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Jean Olson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/02/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01013 |
| Federal ID | IA01013 |
| More Info | State Dam Safety Program |