December 2013: Key West, Fla., extended CH2M HILL’s O&M contract for the city’s wastewater system by five years with two additional five-year renewal options.
CH2M HILL has provided operations and maintenance services for Key West’s wastewater system since 1988. Duties include operation of the 10-million gallon per day extended aeration activated sludge wastewater treatment plant, 57 miles of collection lines, 23 lift stations, laboratory services, stormwater drainage system and biosolids.











