Noralyn N-15
Noralyn N-15 is an earth dam located in Polk County, Florida, built in 1974. It carries a Low hazard potential classification.
About Noralyn N-15
The primary purpose of Noralyn N-15 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by The Mosaic Company (private). It impounds the Unnamed Pond near Bartow.
The dam stands 40 feet tall and stretches 17,100 feet across, creates a reservoir covering 857 acres, and has a maximum storage capacity of 23,430 acre-feet. Completed in 1974, 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.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Bartow |
| River/Stream | Unnamed Pond |
| Coordinates | 27.82000, -81.87000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 17,100 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 23,430 acre-ft |
| Max Storage | 23,430 acre-ft |
| Normal Storage | 23,430 acre-ft |
| Surface Area | 857 acres |
| Max Discharge | 82 cfs |
Ownership & Safety
| Purpose | Debris Control |
| Owner | THE MOSAIC COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00203 |
| Federal ID | FL00203 |
| More Info | State Dam Safety Program |