19Total Dams
0High Hazard
4Significant
Dam Safety in Marshall County, Iowa
Marshall County has 19 dams tracked in the National Inventory of Dams. Another 4 carry a significant hazard classification.
The average dam in Marshall County is 50 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Deutsch Dam at 35 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Crab Tree Lake Dam | Significant | Satisfactory | 33 | Recreation | 1948 |
| Green Castle Dam | Significant | Satisfactory | 30 | Recreation | 1954 |
| Southridge Road Detention Basin | Significant | Satisfactory | 18 | Flood Risk Reduction | 1996 |
| Hendrickson Marsh Dam | Significant | Satisfactory | 18 | Recreation | 1967 |
| Deutsch Dam | Low | Not assessed | 35 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Madsen Dam | Low | Not assessed | 34 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| Sloppy Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1999 |
| Illum Dam | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Buck Dam | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Conte Dam | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Iowa Noname77 | Low | Not assessed | 24 | Other | 1976 |
| Riemenschneider Dam | Low | Not assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Godfrey Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1992 |
| Mills Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Sietmann Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Ottilie Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1959 |
| Caputo Dam | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| S 2nd Street Stormwater Detention Basin | Low | Not assessed | 11 | Flood Risk Reduction | 1997 |
| South 6th St Stormwater Detention Basin | Low | Not assessed | 9 | Flood Risk Reduction | 1997 |