Yellowbanks Dam
Yellowbanks Dam is an earth dam located in Polk County, Iowa, built in 1986. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Yellowbanks Dam
The primary purpose of Yellowbanks Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Polk County Conservation Board (local government). It impounds the Tr- Des Moines River near Des Moines River.
The dam stands 41 feet tall and stretches 500 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 99 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/10/2015. That was over 10 years ago.
At 41 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Iowa |
| County | Polk |
| Nearest City | Des Moines River |
| River/Stream | Tr- Des Moines River |
| Coordinates | 41.53910, -93.46130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 500 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Max Storage | 99 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Polk County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/10/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02327 |
| Federal ID | IA02327 |
| More Info | State Dam Safety Program |