When main Hindu temples are recommended at sangams (confluence of rivers), river banking institutions, lakes and seashore, Brhat Samhita and Puranas advise temples might also be developed where a purely natural supply of h2o is just not existing. Here far too, they propose that a pond be developed if possible https://pressnewsupdates.blogspot.com/2025/01/exploring-sacred-spaces-hanuman-mandirs.html