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Report adds details in Mattawa wastewater treatment facility fire

by Rachel Pinkerton/ For the Columbia Basin Herald
| December 2, 2020 1:00 AM

MATTAWA — The exact cause of the fire at the Mattawa Wastewater Treatment Facility, which occurred in January, is unknown. Over the months since the fire, it has been speculated that the fire started in the building’s electrical panel.

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