Assessing health effect of community self-help intervention projects on the people help to guide decision making of stakeholders. This study investigated the effect of community self-intervention on the health of rural dwellers in Khana Local Government Area of Rivers State. This study employed descriptive survey design with a purposive sampling technique. The target population was One hundred and ninety-six (196) community members. The sample size was one hundred and sixty-nine (169) representing 86% of target population, selected using the purposive sampling technique. Participants were interviewed and questionnaires were distributed to elicit usable information. Survey of community self-help projects were carried out. For reliability, test-retest method was adopted at Eteo community in Eleme LGA, which was outside the LGA under study. Collated and analyzed data using Cronbach Alpha gave index of 0.80 instrument reliability. The questionnaires were administered and later retrieved from the respective villages. The data collected were presented using mean, and z-test at 0.05 level of significance. The result showed that to high extent, drilled bore hole had an impact on the overall health of the people as it reduced waterborne diseases (M = 3.19); provided reliable source of clean water (M = 3.07), improved hygiene and sanitation mean rating (M = 2.95), and improved nutrition and food safety (M = 2.78). Also, community-built health facilities have positive impacts on the overall health of the people. In conclusion, self-help project is a relevant strategy for rural development with significant influence on the overall health of the people of Khana Local Government Area, Rivers State. Despite development efforts put in place, health concerns still persist. It was recommended among others that, Government and other development partners should encourage timely and consistent community contributions for the provision of clean and portable drinking water to prevent water borne diseases among rural community population. 

Keywords: Community, Health Effect, Self-Intervention, Khana LGA.