29Total Dams
1High Hazard
4Significant
Dam Safety in McDonough County, Illinois
McDonough County has 29 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification.
The average dam in McDonough County is 52 years old. The most common purpose is other. The tallest dam is Deer Ridge Dam at 67 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Blandinsville City Reservoir Dam | High | Not assessed | 20 | Water Supply | 1940 |
| Argyle Lake Dam | Significant | Not assessed | 58 | Recreation | 1949 |
| Spring Lake Dam | Significant | Not assessed | 46 | Recreation | 1927 |
| Vermont City Reservoir Dam | Significant | Not assessed | 36 | Recreation | 1940 |
| Mcclure East Pond Dam | Significant | Not assessed | 30 | Recreation | 1940 |
| Deer Ridge Dam | Low | Not assessed | 67 | Recreation | 2000 |
| Springfield Coal/industry/3s | Low | Not assessed | 59 | Other | 1984 |
| Springfield Coal/industry/pond 4 Dam | Low | Not assessed | 47 | Other | 1983 |
| Springfield Coal/industry/pond 2 Dam | Low | Not assessed | 46 | Other | 1983 |
| Springfield Coal/industry/pond 18 Dam | Low | Not assessed | 39 | Other | 1993 |
| Blandinsville Storage 2 Dam | Low | Not assessed | 37 | Water Supply | 1992 |
| Irish Lake Dam | Low | Not assessed | 35 | Recreation | 1937 |
| Springfield Coal/industry/pond 31 Dam | Low | Not assessed | 34 | Debris Control | |
| Springfield Coal/industry/incline Pond 12 Dams | Low | Not assessed | 34 | Debris Control | 1997 |
| Gold Hills Dam | Low | Not assessed | 33 | Irrigation | 2001 |
| Parks Pond Dam 1 | Low | Not assessed | 31 | Other | 1976 |
| Freeman United/industry/pond 1 Dam | Low | Not assessed | 31 | Other | 1983 |
| Rickmeyer Small Lake Dam | Low | Not assessed | 30 | Other | 1983 |
| Springfield Coal/industry/pond 33 Dam | Low | Not assessed | 30 | Debris Control | |
| Springfield Coal/industry/pond 20 Dam | Low | Not assessed | 29 | Debris Control | 1994 |
| Lewis Dam | Low | Not assessed | 28 | Recreation | |
| Springfield Coal/industry/pond 21 Dam | Low | Not assessed | 28 | Other | 1997 |
| Randolph Pond Dam 1 | Low | Not assessed | 27 | Other | 1975 |
| Froghair Lake Dam | Low | Not assessed | 27 | Other | 1974 |
| Casson Pond Dam | Low | Not assessed | 26 | Other | 1984 |
| Cricketwood Green Lake Dam | Low | Not assessed | 25 | Recreation | 1965 |
| Springfield Coal/industry/pond 22 Dam | Low | Not assessed | 25 | Debris Control | 1997 |
| Patrick Lake Dam | Low | Not assessed | 19 | Recreation | 1946 |
| Rickmeyer Big Lake Dam | Low | Not assessed | 16 | Other | 1981 |