Lake Icaria Dam (site M-1-a Walters Cr)
Lake Icaria Dam (site M-1-a Walters Cr) is an earth dam located in Adams County, Iowa, built in 1974. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lake Icaria Dam (site M-1-a Walters Cr)
The primary purpose of Lake Icaria Dam (site M-1-a Walters Cr) is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Adams County Swcd (local government). It impounds the Kemp Creek near Nodaway.
The dam stands 56 feet tall and stretches 1,310 feet across, creates a reservoir covering 700 acres, has a maximum storage capacity of 25,310 acre-feet, and collects water from a drainage area of 28 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 06/10/2020.
At 56 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Iowa |
| County | Adams |
| Nearest City | Nodaway |
| River/Stream | Kemp Creek |
| Coordinates | 41.04810, -94.75340 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 56 ft |
| Dam Height | 56 ft |
| Dam Length | 1,310 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 25,310 acre-ft |
| Max Storage | 25,310 acre-ft |
| Normal Storage | 8,650 acre-ft |
| Surface Area | 700 acres |
| Drainage Area | 28 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Adams County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/10/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00077 |
| Federal ID | IA00077 |
| More Info | State Dam Safety Program |