As Poseidon Water pursues the final government approvals needed to build one of the country’s biggest seawater desalination plants.

The company still cannot definitively say who will buy the 50 million gallons a day of drinking water it wants to produce on the Orange County coast.

That’s one of several questions that continue to dog the $1-billion Huntington Beach project as Poseidon tries to seal an iron-clad deal more than two decades after it first proposed the ocean desalter.

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