What caused the catastrophic failure of Seattle’s main wastewater treatment plant and how can the public be sure it won’t happen again? King County Council members took emergency action Monday to ensure there’s a fully independent investigation. More Than Stormy Weather Last month, in the early morning hours of February 9 during an unusually wet rainstorm, the West Point Treatment Plant broke down. It sits on the northern edge of Elliott Bay next to Discovery Park and had been inundated. Inside