Even though key Hindu temples are advised at sangams (confluence of rivers), river financial institutions, lakes and seashore, Brhat Samhita and Puranas advise temples could also be built exactly where a organic source of water isn't present. Here as well, they suggest that a pond be constructed preferably in entrance https://medium.com/@HinduTempleAdelaide/hindu-temple-in-adelaide-a-sacred-place-for-worship-and-devotion-414718e17e6b