Case Study

Kennewick Submerged Membrane System Doubles Plant Capacity

Kennewick Submerged Membrane System Doubles Plant Capacity

Challenge In 1979, a water filtration plant was built for the City of Kennewick to treat the Columbia River source. The 7.5 MGD (34 MLD) plant was designed to augment the primary drinking water sources—two Ranney Collector Wells. By 2002, it was necessary for the southeastern Washington Plant to expand to 15 MGD (68 MLD). The city wanted to be able to operate the plant year-round and rely less on the wells. The treated water also had to me

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