8Total Dams
0High Hazard
1Significant
Dam Safety in Lyon County, Iowa
Lyon County has 8 dams tracked in the National Inventory of Dams. Another 1 carry a significant hazard classification.
The average dam in Lyon County is 56 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Lake Pahoja Dam at 50 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lake Pahoja Dam | Significant | Satisfactory | 50 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Folkerts Dam | Low | Not assessed | 35 | Fire Protection, Stock, Or Small Fish Pond | 1989 |
| Fluitt Dam | Low | Not assessed | 32 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Lyon County Roadgrade Dam 10-98-48 | Low | Not assessed | 31 | Other | 1988 |
| Lee Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Jansma Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Klondike Mill Dam | Low | Not assessed | 12 | Recreation | |
| Rock Rapids Milldam | Low | Not assessed | 7 | Water Supply | 1931 |