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August 11, 2001 


A malfunctioning pump system at the Wahiawa Wastewater Treatment Plant caused an estimated 5,000 gallons of partially treated sewage to flow into Lake Wilson early on the morning of August 11. 

The spill occurred at 2:00 a.m. and was stopped at 9:00 a.m. Most of spilled effluent was contained on the premises of the treatment plant, but 5,000 gallons, mixed with groundwater, entered the outfall deep in Lake Wilson, a reservoir popular with fishermen. 

The Department Health was notified of the spill. Signs have been posted near the outfall warning against swimming and fishing until contamination tests are completed. 

The malfunctioning pump system was expected to be repaired within hours. 


Wednesday, February 27, 2002

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