Dams in Johnson, Illinois
18
Total Dams
0
High Hazard
7
Significant
55.2 yrs
Avg Age
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Little Cache Structure 8 Dam Johnson | Significant Hazard | 21 ft | 1970 | Earth | Illinois |
| Lake Como Dam Johnson | Significant Hazard | 41 ft | 1966 | Earth | Illinois |
| Cedar Lake Dam Johnson | Significant Hazard | 24 ft | 1973 | Earth | Illinois |
| Little Cache Creek No. 1 Johnson | Significant Hazard | 48 ft | 1974 | Earth | Illinois |
| Simpson Lake Dam Johnson | Significant Hazard | 23 ft | 1963 | Earth | Illinois |
| Autumn Rose Lake Dam Johnson | Significant Hazard | 32 ft | 1998 | Earth | Illinois |
| Structure No. 12 Johnson | Significant Hazard | 54 ft | 1974 | Earth | Illinois |
| Ferne Clyffe Lake Dam Johnson | Low Hazard | 33 ft | 1960 | Earth | Illinois |
| Bay Creek Structure 4 Dam Johnson | Low Hazard | 36 ft | 1977 | Earth | Illinois |
| Vienna Correctional Center Lake Dam Johnson | Low Hazard | 29 ft | 1964 | Earth | Illinois |
| Vienna Correctional Center W. Lake Johnson | Low Hazard | 28 ft | 1980 | Earth | Illinois |
| Little Cache Structure 10 Dam Johnson | Low Hazard | 36 ft | 1969 | Earth | Illinois |
| Little Cache Structure 5 Dam Johnson | Low Hazard | 31 ft | 1973 | Earth | Illinois |
| Lake Thunderhawk Dam Johnson | Low Hazard | 31 ft | 1975 | Earth | Illinois |
| Tall Tree Lake Dam Johnson | Low Hazard | 29 ft | 1964 | Earth | Illinois |
| Lake Echon Dam Johnson | Low Hazard | 16 ft | 1968 | Earth | Illinois |
| Fetter Lake Dam Johnson | Low Hazard | 24 ft | 1958 | Earth | Illinois |
| Vienna Reservoir Dam Johnson | Low Hazard | 13 ft | 1968 | Earth | Illinois |