Kubota Water and Environment USA
About
Kubota Water and Environment U.S.A. Corporation (KWU) is the American subsidiary of Japanese industrial conglomerate Kubota, specializing in membrane bioreactor (MBR) technology for wastewater treatment and water reuse. Operating in the membrane systems space since 1985, Kubota distinguishes itself through consistent corporate ownership—the MBR division has never been acquired or divested—and comprehensive aftermarket support including a free membrane inspection program. Their core technology is the Kubota Submerged Membrane Unit (SMU), a flat-plate submerged membrane that achieves reuse-quality effluent within a compact footprint. The product portfolio includes Package Plant Systems delivering 10,000 to 100,000 GPD with total nitrogen below 5 mg/L, arriving prewired, plumbed, and factory-tested; the KORe (Kubota Onsite Reclamation) buried MBR system in fiberglass-reinforced plastic tanks treating 5,000 to 25,000 GPD for small communities; MBT systems; and HRDIP (Hazard Resilient Ductile Iron Pipe) for water infrastructure. KWU serves municipal, commercial, developer, tribal partnership, and industrial wastewater markets across the United States, maintaining active engagement through WEFTEC and WaterReuse California.
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