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Since our inception in 1981, Northwest Water Systems has established itself as the largest Satellite Management Agency (SMA) in Washington State geographically. As of the beginning of 2017, over 650 Group A and B Public Water Systems utilize our wide variety of services in managing and operating their invaluable resource. We provide all required compliance reporting, cross-connection control services, water quality sample collections, valve and hydrant operation, system flushing, and other routine operations and maintenance services. Many systems use our Engineering services for guidance and design for their water system needs as well.