Thrall Unit Flood Project

Thrall Unit Flood Project is a dam located in Greenwood County, Kansas, built in 1950. It carries a Low hazard potential classification.

About Thrall Unit Flood Project

Thrall Unit Flood Project is a dam in Greenwood, Kansas. The dam is owned by Sinclair Oil & Gas Co (private). It impounds the Swing Creek near Eureka.

The dam stands 30 feet tall and stretches 990 feet across, and has a maximum storage capacity of 230 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.

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. The most recent inspection on record was 07/01/1950. That was over 75 years ago.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateKansas
CountyGreenwood
Nearest CityEureka
River/StreamSwing Creek
Coordinates38.00295, -96.32905

Physical Characteristics

NID Height30 ft
Dam Height30 ft
Dam Length990 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage230 acre-ft
Max Storage230 acre-ft
Normal Storage182 acre-ft
Max Discharge1,800 cfs

Ownership & Safety

PurposeOther
OwnerSINCLAIR OIL & GAS CO
Owner TypePrivate
Hazard ClassificationLow
Last Inspection07/01/1950
Emergency Action PlanNot Required

Identifiers

NID IDKS03519
Federal IDKS03519
More InfoState Dam Safety Program

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