Elkader Milldam is a gravity dam located in Clayton County, Iowa, built in 1926. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 206 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Elkader Milldam
The primary purpose of Elkader Milldam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Elkader (local government). It impounds the Turkey River near Elkader.
The dam stands 16 feet tall and stretches 206 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 2,947 acre-feet, and collects water from a drainage area of 891 square miles. Completed in 1926, 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 10/11/1989. That was over 37 years ago.
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Location
| State | Iowa |
| County | Clayton |
| Nearest City | Elkader |
| River/Stream | Turkey River |
| Coordinates | 42.85560, -91.40450 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 206 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 2,947 acre-ft |
| Max Storage | 2,947 acre-ft |
| Normal Storage | 2,089 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 891 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Elkader |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/11/1989 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01287 |
| Federal ID | IA01287 |
| More Info | State Dam Safety Program |