Ocean level ascent because of dissolving ice sheets and warm extension of the sea presents serious dangers for beach front communities. Raised ocean levels dissolve coastlines and immerse low-lying coasts; these changes, thus, permit elevated tides and tempest floods to arrive at unprotected regions further inland. The bothered waterfront climate will prompt serious effects on wellbeing such as displacement, food security and water security (Kevin Liang, Tom Kostatsky 2020). Ocean level ascent will have both intense and long haul impacts on those presently living close to shore. Intensely, flooding can prompt private water invasion and ensuing mold development, cold water submersion, suffocating, and different wounds (FitzGerald et al., 2010). Dislodging additionally has long term wellbeing influences. A recent report from the United Kingdom tracked down a critical expansion in the paces of uneasiness, despondency, and post traumatic stress jumble for people who were uprooted as an outcome of flooding contrasted with the individuals who experienced flooding yet were not dislodged (Munro A et al., 2017). However, as ocean level proceed, the probability of saltwater penetrating groundwater will increase and diminish the accessibility of freshwater for coastal communities. Along British Columbia (BC’s) Gulf Islands, rising ocean levels are now bit by bit causing saltwater interruption of existing freshwater wells and springs (Klassen J et al., 2020). Moreover, for instance Bangladesh is a model country, circuitous evaluations of saltiness are accessible for different regions. Documentation in such manner was for the most part as reports (dark writing): for instance, the saltiness levels at Pearl River Delta, China (Xinhua News, 2006) San Joaquin Delta, California (Public Policy Institute of California; 2008) and man-made freshwater lakes in The Netherlands (M. Bonte, J.J. Zwolsma, 2010) and Australia (Merz SK. 2006). Some proof was likewise accessible from Brazil (A.M. Medeiros, et al., 2010). These reports mostly allude to deltaic areas. It should likewise be noticed that not all information revealed here allude to drinking water, which is an immediate course of openness. Obviously, a precise survey is presently unrealistic. Likewise, evaluations of water saltiness would be made conceivable by remote detecting (satellite information), be that as it may, once more, the utilization of such information for stream deltas and different wellsprings of savoring water low-pay nations is insufficient or inaccessible. However, The way that saltiness is expanded – especially in the dry season – in some stream deltas clearly doesn’t suggest that all seaside populaces are uncovered through their drinking water. Almost certainly, in many spots treatment of water through desalination plants is utilized to decrease salt focuses. Be that as it may, the impacts of higher saltiness on wellbeing will be found in low-pay nations, those where water is deficiently treated or not treated by any means (Paolo Vineis, et al., 2011).