Navy fuel leak prompts Honolulu plea for water conservation
HONOLULU (AP) — Honolulu’s water utility asked roughly 400,000 Oahu residents to voluntarily cut their water use by 10% because of concerns about dry weather and a petroleum leak from a massive Navy fuel storage facility that has forced it to shut down three wells.
Petroleum from the Red Hill Bulk Fuel Storage Facility hasn’t gotten into the tap water distributed by the Honolulu Board of Water Supply. But it did get into an aquifer that sits underneath the storage tanks.
As a result, the utility in December shut down three wells to prevent fuel from migrating through the aquifer into its water system. This means the utility doesn’t have its normal supply of water, said Ernie Lau, the utility’s chief engineer.
The conservation request affects residents and businesses in urban Honolulu.
Petroleum did poison the Navy’s water system, however. In November, jet fuel from the facility leaked into a Navy well and into Navy tap water. That sickened nearly 6,000 people, mostly those living in military housing in and around Pearl Harbor.
The Defense Department said March 7 it will permanently shut down the fuel tank facility and remove all of its fuel.
Honolulu’s water utility has been pumping its other wells longer and harder to make up for the lost supply, Lau said at a news conference.
Lau said the utility has to make sure it doesn’t excessively pump its wells because that would increase the saltiness of the water it pulls up from the aquifer. Higher salinity levels have already forced the the utility to reduce the amount it’s been pumping from some of its other wells.
“We want to manage it very carefully so that the aquifer itself and these wells still remain viable and available to supply our community,” Lau said.
At the same time, Oahu’s weather has been unusually dry this winter, which tends to increase demand for water.
Lau said he’s worried that demand will outstrip supply in the summer, which is expected to be even more dry. Some customers, particularly those living at higher elevations, could experience lower water pressure. Some customers might not have water for some periods of time if the utility’s storage tanks go dry, he said.
“And that’s what we’re trying to avoid,” Lau said.
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