Oil spills into Manoa Stream, sheen apparent along Ala Wai Canal

The Dept. of Health is investigating after 10 gallons of hydraulic oil spilled into Manoa Stream and spread into the Ala Wai canal.

According to the Dept. of Health, the City and County sent an excavator to remove debris from the stream at Palolo Junction when one of its hoses ruptured, releasing the oil into the water.

“The City and County did the best they could to try to recover as much of the oil as they could, but some of the oil did continue down the stream into the Ala Wai,” said Dept. of Health spokesperson Janice Okubo.

Health officials say the oil is diluting and dissipating, and doesn’t appear to be a health risk.

The case has been turned over to the department’s Clean Water Branch.

“At approximately 11:30 am today while mobilizing heavy equipment to clear an access path for stream cleaning and debris removal in the Manoa-Palolo Drainage Canal, a hydraulic hose failed resulting in an inadvertent release of hydraulic fluid. While the crew attempted to contain as much of the fluid by immediately deploying a boom to contain the fluid and using absorbent pads to collect the fluid, some fluid entered the flowing water in the drainage canal which empties into the Ala Wai Canal. The equipment is assigned to and operated by the Department of Facility Maintenance who is working with the State of Hawaii Department of Health and the City’s Department of Environmental Services Storm Water Quality Branch to resolve any issues resulting from the inadvertent release,” City and County of Honolulu Department of Facility Maintenance Director and Chief Engineer Ross Sasamura said.

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