Noralyn N-6 is an earth dam located in Polk County, Florida, built in 1960. It carries a Significant hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 4,300 ft long, taller than 50% 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 Noralyn N-6
Noralyn N-6 is a dam in Polk, Florida. The dam is owned by The Mosaic Company (private). It impounds the Unnamed Lake near Fort Meade.
The dam stands 25 feet tall and stretches 4,300 feet across, creates a reservoir covering 128 acres, and has a maximum storage capacity of 3,200 acre-feet. Completed in 1960, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Fort Meade |
| River/Stream | Unnamed Lake |
| Coordinates | 27.82000, -81.84000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 4,300 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 3,200 acre-ft |
| Max Storage | 3,200 acre-ft |
| Normal Storage | 3,200 acre-ft |
| Surface Area | 128 acres |
Ownership & Safety
| Purpose | Other |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00643 |
| Federal ID | FL00643 |
| More Info | State Dam Safety Program |