The hydrological foundations that underpin the success of Singapore today and Cambodia of the 15th Century are made visible through a series of beautifully illustrated drawings, photographs and graphical diagrams. Through comparing the countries' hydrologic architecture, water distribution infrastructure, and water based economies a new understanding of Singapore and Cambodia comes into focus. This book is a breakdown and study of hydrology in every aspect - geographical, historical, economical, political, urban and architectural. Probing Hydrological Urbanism offers a timely look into Singapore's future by looking into Cambodia's past offering lessons and warnings of two very different yet parallel civilizations in South East Asia.