Dams in O'Brien, Iowa
13
Total Dams
0
High Hazard
0
Significant
55.1 yrs
Avg Age
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Innes Jalas Subwatershed Site 3-1 O'Brien | Low Hazard | 30 ft | 1966 | Earth | Iowa |
| Waterman-Spring Subwtrshd Site 1 O'Brien | Low Hazard | 29 ft | 1961 | Earth | Iowa |
| East Waterman Creek Subwatershed 2425 O'Brien | Low Hazard | 37 ft | 1960 | Earth | Iowa |
| Brown Dam O'Brien | Low Hazard | 24 ft | 2004 | Earth | Iowa |
| Jalas Dam O'Brien | Low Hazard | 34 ft | 1965 | Earth | Iowa |
| Riedmann Dam O'Brien | Low Hazard | 26 ft | 1967 | Earth | Iowa |
| Wheeler Dam O'Brien | Low Hazard | 37 ft | 1995 | Earth | Iowa |
| Bryant Dam O'Brien | Low Hazard | 25 ft | 1960 | Earth | Iowa |
| Maurer Dam O'Brien | Low Hazard | 43 ft | 2000 | Earth | Iowa |
| Iowa Noname34 O'Brien | Low Hazard | 46 ft | 1973 | Earth | Iowa |
| Mill Creek Lake Dam O'Brien | Low Hazard | 29 ft | 1934 | Earth | Iowa |
| Brown Dam O'Brien | Low Hazard | 24 ft | 1970 | Earth | Iowa |
| Dog Creek Dam O'Brien | Low Hazard | 43 ft | 1967 | Earth | Iowa |