18Total Dams
3High Hazard
2Significant
Dam Safety in Sangamon County, Illinois
Sangamon County has 18 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Sangamon County is 51 years old. The most common purpose is recreation. The tallest dam is Spaulding Dam at 48 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Spaulding Dam | High | Not assessed | 48 | Recreation | 1933 |
| Woodlake Estates Dam | High | Not assessed | 26 | Flood Risk Reduction | |
| Brandon Kimbro Dam | High | Not assessed | 0 | Recreation | 2016 |
| Braun Pond Dam | Significant | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1952 |
| Buffalo Drive Dam | Significant | Not assessed | 24 | Fish and Wildlife Pond | 1950 |
| Cilca Lake Dam | Low | Not assessed | 43 | Recreation | 1968 |
| Schmidgall Dam 1 | Low | Not assessed | 30 | Fish and Wildlife Pond | 1977 |
| Hickory Hills Lake Dam | Low | Not assessed | 29 | Recreation | 1995 |
| Benson Pond Dam 1 | Low | Not assessed | 29 | Other | 1978 |
| Springfield Lakeside Ash Disposal Pond Dam | Low | Not assessed | 28 | Other | 1987 |
| Hunter Pond Dam 1 | Low | Not assessed | 27 | Fish and Wildlife Pond | 1977 |
| Weingardt Pond Dam | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Denby Dam 1 | Low | Not assessed | 25 | Fish and Wildlife Pond | 1976 |
| Williamsville Lake Dam 1 | Low | Not assessed | 23 | Other | 1971 |
| Theilen Pond Dam 1 | Low | Not assessed | 21 | Other | 1977 |
| Temporary Sangamon River Dam | Low | Not assessed | 20 | Water Supply | |
| Crystal Lake Dam | Low | Not assessed | 18 | Recreation | 1995 |
| Rising Moon Road Detention Area Dam | Low | Not assessed | 10 | Flood Risk Reduction |