Dams in Duval County, Florida
4Total Dams
1High Hazard
1Significant
Dam Safety in Duval County, Florida
Duval County has 4 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 1 carry a significant hazard classification.
The average dam in Duval County is 68 years old. The most common purpose is flood risk reduction. The tallest dam is Lake Fretwell Dam at 30 ft.
Explore more: Oldest dams in Florida · 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 |
|---|---|---|---|---|---|
| Westrock Cp, Llc Effluent Pond | High | Satisfactory | 17 | Other | 1973 |
| Holly Oaks Lake Dam | Significant | Fair | 6 | Flood Risk Reduction | |
| Lake Fretwell Dam | Low | Fair | 30 | Flood Risk Reduction | |
| Casa Linda Lake Dam | Low | Fair | 17 | Flood Risk Reduction | 1943 |