Discover the benefits of E & D Water Works A+Reliability Rating! E & D Water Works has been providing Janesville, WI excellence in service since 1951. Recently, the Better Business Bureau awarded E & D Water Works the highest possible grade in reliability and dependability. Find Out More… As Rock County’s leading Water Works service and sales provider, E & D can service any and all makes of water softeners, water heaters and disposals. As part of our excellent service, we offer 24 hour Emergency service, as well as salt delivery and well inspection. We also offer iron and odor removal. So don’t forget…If water runs to it or through it, we do it !