The International Labour Organization estimates that, globally, about 2.2 million people die annually from occupational accidents and diseases another 270 million suffer from serious non-fatal injuries while 160 million fall ill for shorter or longer periods from work-related causes. The estimated costs of occupational accidents and occupational diseases amount to approximately 4 percent of the world’s gross domestic product. This implies a considerable loss resulting to negative impact on economic growth and which puts a burden to the society. Thus preventing occupational accidents and diseases should make economic sense for society as well as being good business practice for companies. Nakuru Water and Sanitation Services Company is one of the institutions within Nakuru County involved in dangerous activities. However, the health and safety practices in place and how they affect employee productivity is not clear. The general objective of the study therefore was to assess the effects of safety and health management on employee productivity at Nakuru Water and Sanitation Services Company. Specific objectives of the study were: to establish the effects of management commitment to safety and health affects employee productivity, to assess how job risk and hazard assessment affects employee productivity, to establish how provision of personal protective equipment affects the productivity of employees and to assess the effects of safety trainings on productivity of employees at Nakuru Water and Sanitation Services Company. The study adopted a descriptive survey research design. Target population comprised all the technical staff of Nakuru Water and Sanitation Services Company in water treatment and distribution, there is 335 staff in field offices dealing with water distribution that formed the target population. These include plumbers, technicians, engineers and chemists.