This research work investigated the knowledge of health Impacts of noise pollution on adult in Owerri Municipal Imo State, Nigeria. Three (3) objectives, Three (3) research questions and two (2) null-hypothesis guided the study, descriptive survey research design was used for the study. The population for the study was estimated to be forty seven thousand, three hundred and sixty one (47,361) adults. random sampling technique was used to select four hundred (400) adults. Questionnaire was used as instrument of the study. Data collected were analyzed using descriptive statistics of frequency counts and percentages for the research questions while inferential statistic of chi-square was used to test the hypotheses at 0.05 level of significance. The result revealed that majority of adults in Owerri Municipal Council Imo State possessed good knowledge of physical health impacts(81.0%), psychological health impacts(76.1%) and social health impacts(85.1%) of noise pollution. Based on the findings and conclusions, recommendations were made that government should put in more action to ensure implementation of existing laws against noise pollution, improvement of power supply to reduce usage of generators. all appliances causing much noise should be turned off to be switched on at certain times, Avoid unnecessary noise like playing of music, video games, etc. in the background for long periods, Repair or replace old machines when necessary and use ear protection such as earplugs or earmuffs to reduce noise impacts.

Keywords : Noise Pollution, Impacts, Owerri, Alvan, Population.