F3a Four Corners Mine

Significant HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateFlorida
CountyManatee
Nearest CityDUETTE
River/StreamMYAKKA RIVER
Coordinates27.63030, -82.07820

Physical Characteristics

Dam TypeEarth
NID Height68 ft
Dam Height65 ft
Dam Length19,866 ft
Year Completed2001 (25 years old)

Storage & Hydraulics

NID Storage37,500 acre-ft
Max Storage37,500 acre-ft
Normal Storage34,260 acre-ft
Surface Area571 acres
Drainage Area0 sq mi
Max Discharge80 cfs
Spillway TypeControlled

Ownership & Safety

PurposeTailings
OwnerTHE MOSAIC COMPANY
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection01/23/2006
Emergency Action PlanYes

Identifiers

NID IDFL11050
Federal IDFL11050
More InfoState Dam Safety Program

Nearby Dams

Mosaic Csa F2c 1.3 mi Significant Mosaic Csa Fc2c 1.3 mi Significant F3b Four Corners Mine 1.3 mi Significant Mosaic Csa F2d 1.5 mi Significant Mosaic Csa F2b 2.1 mi Significant Mosaic Csa F2a 2.2 mi Significant F1 Four Corners Mine 2.2 mi Significant Fgh3 Fort Green Mine 2.7 mi Significant Pol12 3.9 mi Undetermined Mosaic Csa F4a 4.3 mi Significant