Monterey One Water is the public wastewater treatment provider in northern Monterey County. The Agency is driven by its missi ... on to turn the area’s wastewaters into safe, resilient water solutions for the community and the environment. Every day, Monterey One Water is responsible for cleaning approximately 17 million gallons of used water before safely reintroducing it into the environment. This is achieved through safe mixing with ocean water and water recycling efforts that support food crop irrigation and the drinking water supply. read more