Wigen Water Technologies

Wigen Water Technologies, established in 1965 and headquartered at 4201 Norex Drive in Chaska, Minnesota, is a custom water treatment systems manufacturer that has operated as a subsidiary of Japan's Metawater Group since 2020 while maintaining its American manufacturing operations. The company's product portfolio spans twelve treatment technology categories: ultrafiltration, reverse osmosis and nanofiltration, water softening, demineralization, condensate polishing, dealkalization and desilicization, pressure media filters, gravity media filters, granular activated carbon contactors, ion exchange, process automation, and mobile water purification systems. Notable project capabilities include 500 gpm arsenic removal systems with backwash recovery, Greensand Plus pressure filters for iron and manganese removal, two-pass RO systems for power plant condensate, 5 MGD RO skids for municipal drinking water, and calcite remineralization systems for advanced water purification facilities. The Chaska facility performs metalworking, welding, panel building, pipefitting, cleanroom assembly, and testing. All manufacturing remains domestic. The company is ISO 9001 Quality Certified and serves municipal water and wastewater, industrial, mobile, food and beverage, desalination, power, ultrapure, and reclamation and recycling markets. Services include specification assistance, pilot studies, membrane analysis and cleaning, and remote monitoring.