Upper Lake Dianne Dam is an earth dam located in Leon County, Florida, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 780 ft long, taller than 59% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Upper Lake Dianne Dam
The primary purpose of Upper Lake Dianne Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Killearn Lakes Plantation Home Owners Association (private). It impounds the Tr-lake Iamonia near Tallahassee.
The dam stands 27 feet tall and stretches 780 feet across, creates a reservoir covering 47 acres, and has a maximum storage capacity of 624 acre-feet. Completed in 1958, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 05/15/1994. That was over 32 years ago.
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Location
| State | Florida |
| County | Leon |
| Nearest City | Tallahassee |
| River/Stream | Tr-lake Iamonia |
| Coordinates | 30.60294, -84.23643 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 780 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 624 acre-ft |
| Max Storage | 624 acre-ft |
| Normal Storage | 162 acre-ft |
| Surface Area | 47 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Killearn Lakes Plantation Home Owners Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/15/1994 |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00115 |
| Federal ID | FL00115 |
| More Info | State Dam Safety Program |