Region of Waterloo | 45,937 followers on LinkedIn. We serve. We engage. We inspire. | The Region of Waterloo touches the lives of citizens, every day. We are responsible for more than 60 per cent of municipal government services in this community including; waste, transit (GRT and ION), growth planning, heritage, rural libraries, major roads, water supply, sewage treatment, ambulance service, Public Health, community housing and more. The Region of Waterloo is one of this area's top employers.