Kiewit consistently ranks as one of the country's top contractors in the delivery of water and wastewater projects, according to Engineering News-Record (ENR). The 2015 ENR Sourcebook rankings list Kiewit as the No. 1 contractor for dams & reservoirs and water supply categories, as well as No. 2 for water treatment desalination lines, No. 3 for water transmission lines and No. 4 for sanitary and storm sewers. Kiewit’s water/wastewater portfolio includes major roller-compacted concrete, earth-fill and rock-fill dams; reservoirs; water tunnels; and canals across North America, as well as transmission pipelines, aqueducts and water/wastewater treatment facilities. Over the past 10 years, Kiewit provided procurement, construction and/or start-up services for 400 water/wastewater projects totaling more than $6.5 billion in contract revenue.