The firm will provide program management services to King County, Wash., for capital improvements to the South Treatment Plant in Renton.

If approved by Congress, added funds for upgrade would prevent and reduce sewage flows and contamination in southern California.

The agency that operates the plant is preparing to undertake $8 million in repairs, in addition to previously planned projects estimated to cost hundreds of millions more.

Great Neck, N.Y., treatment facility replaced its anaerobic digester equipment to create, from used cooking oil, enough methane to provide 50% of its power