Dams in Clark County, Ohio
8Total Dams
2High Hazard
3Significant
Dam Safety in Clark County, Ohio
Clark County has 8 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification. Currently, 5 dams have a condition assessment of poor or unsatisfactory.
The average dam in Clark County is 56 years old. The most common purpose is recreation. The tallest dam is Clarence J. Brown Dam at 98 ft.
Explore more: Oldest dams in Ohio · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Clarence J. Brown Dam | High | Not Available | 98 | Flood Risk Reduction | 1973 |
| Clark Lake Dam | High | Poor | 23 | Recreation | 1957 |
| South Vienna Wwt Lagoons | Significant | Fair | 26 | Tailings | 1992 |
| Lake Sylvan Dam | Significant | Poor | 21 | Recreation | 1947 |
| Parker Lakes Upper Dam | Significant | Poor | 15 | Recreation | 1994 |
| Hosterman Lake Dam | Low | Fair | 28 | Recreation | 1938 |
| Parker Lakes Lower Dam | Low | Poor | 19 | Recreation | 2004 |
| The Van Dyke Club Lake Dam | Low | Poor | 16 | Recreation | 1948 |