10Total Dams
3High Hazard
2Significant
Dam Safety in Clayton County, Iowa
Clayton County has 10 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Clayton County is 61 years old. The most common purpose is recreation. The tallest dam is Pattison Dam at 68 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Pikes Peak Flood Control Dam | High | Satisfactory | 49 | Flood Risk Reduction | 1938 |
| Siegel Flood Control Dam | High | Satisfactory | 43 | Flood Risk Reduction | 1938 |
| Slaughter Flood Control Dam | High | Fair | 41 | Flood Risk Reduction | 1938 |
| Emerald Valley Dam | Significant | Satisfactory | 47 | Recreation | 2008 |
| Mississippi River Lock and Dam 10 | Significant | Not assessed | 43 | Navigation | 1937 |
| Pattison Dam | Low | Satisfactory | 68 | Other | 2008 |
| Camp Klaus Dam | Low | Not assessed | 50 | Recreation | 1978 |
| Hanson Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 2004 |
| Bruehahn Dam | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Elkader Milldam | Low | Not assessed | 16 | Recreation | 1926 |