Hookers Prairie Mine H2c

Hookers Prairie Mine H2c is an earth dam located in Polk County, Florida, built in 1995. It carries a Significant hazard potential classification.

About Hookers Prairie Mine H2c

The primary purpose of Hookers Prairie Mine H2c 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 Alafia River near Fort Meade.

The dam stands 38 feet tall and stretches 24,400 feet across, creates a reservoir covering 680 acres, has a maximum storage capacity of 22,000 acre-feet, and collects water from a drainage area of 1 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 38 feet, this dam is taller than 85% of dams nationwide.

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Significant HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateFlorida
CountyPolk
Nearest CityFort Meade
River/StreamAlafia River
Coordinates27.76350, -81.97100

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height35 ft
Dam Length24,400 ft
Year Completed1995 (31 years old)

Storage & Hydraulics

NID Storage22,000 acre-ft
Max Storage22,000 acre-ft
Normal Storage20,400 acre-ft
Surface Area680 acres
Drainage Area1 sq mi
Max Discharge50 cfs
Spillway TypeControlled

Ownership & Safety

PurposeTailings
OwnerTHE MOSAIC COMPANY
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection01/20/2006
Emergency Action PlanYes

Identifiers

NID IDFL11040
Federal IDFL11040
More InfoState Dam Safety Program

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