The bioethical issue is that we should try to avoid harm, and attempt to understand the consequences of direct and indirect effects of our action in a complex ecosystem. In conclusion we have a deep and eternal relationship with water. The first relationship we have is dependence. The dependence is both indirect, and direct. Beside the obvious ethical issue of just distribution of resources, which affects human relationships in the biosphere, there are further relationships between people and water.
Water has spiritual images of cleansing, purity, being used in most religions.
People may also have sociobiological fondness for water, as with other parts of the environment. It is an advantage biologically to like water, and an advantage to value nature. Water appears to be refreshing for soul as well as body. One of the common themes seen in the comments and pictures of nature and life was water, especially rivers and ocean sunsets, with ponds containing birds, fish and other animals. This data confirms that water is a common image of nature.