City of Lakeland Wetland Treatment System West is an earth dam located in Polk County, Florida, built in 1995. It carries a Significant hazard potential classification.
Dam profile
NID height · 48 ft48 ft tall and 6,850 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About City of Lakeland Wetland Treatment System West
The primary purpose of City of Lakeland Wetland Treatment System West is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by City of Lakeland (local government). It impounds the Alafia River near Lakeland.
The dam stands 48 feet tall and stretches 6,850 feet across, creates a reservoir covering 75 acres, has a maximum storage capacity of 3,400 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/20/2006. That was over 20 years ago.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Lakeland |
| River/Stream | Alafia River |
| Coordinates | 27.90020, -81.95650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 45 ft |
| Dam Length | 6,850 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 3,400 acre-ft |
| Max Storage | 3,400 acre-ft |
| Normal Storage | 3,000 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 40 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Tailings |
| Owner | City of Lakeland |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 01/20/2006 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL11038 |
| Federal ID | FL11038 |
| More Info | State Dam Safety Program |