ENS 50288

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v t e ENS Event
23:53 Jul 20, 2014
Title	Small Keowee Hydroelectric Station Oil Discharged to the Keowee River
Event Description	On 7/20/2014, at 1700 hours0.0197 days <br />0.472 hours <br />0.00281 weeks <br />6.4685e-4 months <br /> EDT, a spill of approximately five (5) gallons of Teresstic 68 lube oil was identified in the Keowee Hydroelectric Station (KHS) tailrace. Teresstic 68 oil is used at the station as an equipment lubricant. The KHS tailrace feeds into the Keowee River that leads into Lake Hartwell. The estimated area of the oil sheen is approximately 30x50 feet and a cleanup response is currently in progress. The cause of the spill was attributed to a faulty oil float switch in the KHS unwatering pump that allowed the oil to spill into the KHS tailrace (Keowee River). South Carolina Department of Health and Environmental Control (SCDHEC) and the National Response Center were notified of the spill on 7/20/2014 at approximately 2002 and 1953 hours0.0226 days <br />0.543 hours <br />0.00323 weeks <br />7.431165e-4 months <br /> [EDT] respectively. This event was determined to be reportable pursuant to 10CFR50.72(b)(2)(xi) due to the notifications to the SCDHEC and the National Response Center. The licensee notified the NRC Resident Inspector. Initial Safety Significance: The oil did not contain any plant produced radiological material and while contained, poses no safety risk with respect to the health and safety of the public. Corrective Action(s): The oil spill sheen is isolated to an approximate 30x50 foot area of the Keowee River. Because the KHS is currently not operating, the water spill area is stagnant, i.e., there is little or no movement of the water containing the oil sheen. The source of the leak has been contained and an investigation is underway to determine the actual cause of the spill. There was no impact on plant operations. The event was entered into the station's corrective action program.

ENS 50288 +/-
Where
Oconee South Carolina (NRC Region 2)
Reporting

10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release
Time - Person (Reporting Time:+-2.68 h-0.112 days <br />-0.016 weeks <br />-0.00367 months <br />)
Opened:	B. Le Croy 21:12 Jul 20, 2014
NRC Officer:	Steve Sandin
Last Updated:	Jul 20, 2014
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v • d • e

v t e Emergency Notification System
Oconee with 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release
WEEKMONTHYEAR2023-11-03T19:30:00 [Table view]
[ENS list for Oconee]

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