Bradley Junction S

Bradley Junction S is an earth dam located in Polk County, Florida. It carries a Significant hazard potential classification.

About Bradley Junction S

The primary purpose of Bradley Junction S 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 The Mosaic Company (private). It impounds the Unnamed Pond near Mulberry.

The dam stands 105 feet tall and stretches 12,778 feet across, creates a reservoir covering 192 acres, has a maximum storage capacity of 3,840 acre-feet, and collects water from a drainage area of 192 square miles.

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.

At 105 feet, this dam is taller than 98% of all dams in the United States.

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Significant HazardNot Rated ConditionEmergency Action Plan: No

Location

StateFlorida
CountyPolk
Nearest CityMulberry
River/StreamUnnamed Pond
Coordinates27.85000, -81.94000

Physical Characteristics

Dam TypeEarth
NID Height105 ft
Dam Height100 ft
Dam Length12,778 ft

Storage & Hydraulics

NID Storage3,840 acre-ft
Max Storage3,840 acre-ft
Normal Storage2,688 acre-ft
Surface Area192 acres
Drainage Area192 sq mi
Max Discharge110 cfs
Spillway TypeControlled

Ownership & Safety

PurposeTailings
OwnerTHE MOSAIC COMPANY
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Emergency Action PlanNo

Identifiers

NID IDFL10071
Federal IDFL10071
More InfoState Dam Safety Program

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