This study discusses the understanding of water safety for pond supervisors throughout Solo Raya. This is done to find out the extent of safety in the pool against the pool supervisor. This study aims to describe and analyze the level of understanding of swimming pool safety by pool supervisors throughout Solo Raya. Researchers used quantitative research. The data analysis method in this study is quantitative descriptive analysis with percentages. The data collection method used is interviews with informants. The sampling technique in this study was purposive random sampling, namely random sampling. The results of this study are that the level of understanding of swimming pool supervisors about water safety in the Solo Raya area is in the "low" category of 8.3% consisting of 2 people, the "medium" category of 12.5% consisting of 3 people, and the category " high” by 79.2% with 19 people. Based on the average value obtained, which is 83.7083, the level of understanding of swimming pool supervisors about water safety in the Solo Raya area is in the "high" category.