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FOR IMMEDIATE RELEASE              
January 27, 2004

 

 ELECTRICAL DISRUPTION CAUSES DISCHARGE OF TREATED BUT UNDISINFECTED WASTEWATER INTO LAKE WILSON

            An electrical power interruption at the Wahiawa Wastewater Treatment Plant today (January 27) resulted in a discharge into Lake Wilson of 16,860 gallons of effluent that had undergone tertiary treatment, but not the final ultraviolet (UV) disinfection.  (Tertiary treatment is a high level of wastewater treatment.)

            The power disruption knocked the UV equipment off-line from 9:02 a.m. to 9:11 a.m. The system was re-set and resumed normal functions once normal power was restored. 

            Warning signs have been posted, samples are being taken, and the State Department of Health has been notified.  Since the discharged effluent was processed up to the level of disinfection, State Health officials consider the discharge a “disinfection bypass” and not a sewage spill. 

 

 

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Tuesday, January 27, 2004

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