19Total Dams
2High Hazard
3Significant
Dam Safety in Linn County, Iowa
Linn County has 19 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification.
The average dam in Linn County is 42 years old. The most common purpose is recreation. The tallest dam is Pleasant Creek Lake Dam at 73 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Pleasant Creek Lake Dam | High | Satisfactory | 73 | Flood Risk Reduction | 1977 |
| Aegon Dam | High | Satisfactory | 26 | Recreation | 1997 |
| Lakeside Development Dam | Significant | Satisfactory | 45 | Flood Risk Reduction | 2005 |
| Gehring Dam | Significant | Satisfactory | 28 | Recreation | 2007 |
| Cedar Rapids Milldam (5 in 1) | Significant | Satisfactory | 16 | Hydroelectric | 1978 |
| Morf Dam | Low | Not assessed | 33 | Recreation | 2013 |
| Parsons Dam | Low | Not assessed | 29 | Recreation | 2004 |
| Goldin Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1985 |
| South Lake Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1993 |
| Garner Dam | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 2000 |
| Fenchel Dam | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Wright Dam | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Lehman Dam | Low | Not assessed | 18 | Recreation | 1975 |
| Cedar Lake Dam | Low | Not assessed | 15 | Flood Risk Reduction | |
| Central City Milldam | Low | Not assessed | 14 | Recreation | 1965 |
| Bufallo Creek Lake Dam | Low | Not assessed | 12 | Recreation | 1965 |
| Palisades-kepler Dam | Low | Not assessed | 8 | Recreation | 1936 |
| Cedar Rapids Milldam Iel&p | Low | Not assessed | 8 | Water Supply | 1967 |
| Troy Mills Dam | Low | Not assessed | 7 | Recreation | 1989 |