Lake Ryan Dam
Lake Ryan Dam is an earth dam located in Clay County, Florida, built in 1969. It carries a High hazard potential classification and has a poor condition assessment.
About Lake Ryan Dam
The primary purpose of Lake Ryan Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Asbury Municipal Services Benefit District (lamsbd) (private). It impounds the Tr-black Creek near Lake Asbury.
The dam stands 29 feet tall and stretches 250 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 81 acre-feet. Completed in 1969, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 09/14/2020.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Florida dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Florida |
| County | Clay |
| Nearest City | Lake Asbury |
| River/Stream | Tr-black Creek |
| Coordinates | 30.05858, -81.82920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 250 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Max Storage | 81 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 6 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | LAKE ASBURY MUNICIPAL SERVICES BENEFIT DISTRICT (LAMSBD) |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 09/14/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL00151 |
| Federal ID | FL00151 |
| More Info | State Dam Safety Program |