Opinion

The forgotten wisdom of Sivasagar’s ancient waters

Siddharth Roy

Every monsoon, Assam fights a losing battle with water. In our cities, half an hour of heavy rain turns asphalt roads into muddy rivers. Across the state, our immediate engineering response to the fury of the Brahmaputra and its tributaries has always been force. We pour more concrete, build higher earthen walls, and install massive pumps to push the water away. Yet the floods return every summer, and our urban groundwater drops deeper every winter. Perhaps the flaw lies not in our machines, but in our philosophy. We treat water as an invader to be conquered, whereas our ancestors treated it as a guest to be understood.

To see this ancient wisdom in action, one only needs to stand on the banks of the great tanks of Sivasagar, such as Joysagar or Gaurisagar. Dug three centuries ago under the Ahom kings, these massive reservoirs are masterpieces of civil engineering. What makes them truly remarkable is that their water levels sit higher than the surrounding ground, yet they never run dry and never overflow. Even today, without a single electric pump or concrete pipe, they remain full and clear throughout the year.

The secret of the Ahom royal engineers lay in patience and observation. Before digging a single spade of earth, they spent months studying the land. They looked for natural underground springs where water pushed upward from deep within the soil. Once they found these spots, they excavated the earth in steps and sealed the sides with thick clay, leaving the bottom open to the natural springs. Instead of fighting gravity and soil pressure, they used the natural push of the earth to keep the tanks full.

Philosophically, this represents a way of thinking that modern engineering has largely forgotten. The philosopher Martin Heidegger once wrote that modern technology tries to force nature to yield energy on demand, rather than working alongside natural rhythms. When we pave over natural wetlands in Guwahati or Dibrugarh to build shopping malls and apartment blocks, we are acting out of arrogance. We assume that a narrow concrete drain can replace an ancient marshland that held millions of gallons of rainwater.

The Ahom tanks were not just water storage units. They were the heart of the community, cooling the local air, recharging the surrounding soil, and holding back excess rain during the monsoon. They stood as proof that the strongest infrastructure is the kind that bends to the laws of nature rather than trying to break them.

Today, as climate change brings heavier rains and longer dry spells to the Northeast, our obsession with rigid concrete is failing us. True progress does not always mean looking forward to newer and heavier machines. Sometimes, it means looking back at the quiet waters of Sivasagar. If we want our cities to survive the coming decades, civil engineers must relearn the old virtue of humility. We must stop trying to lock water out and start giving it room to breathe.

The author is a consultant to Rashtriya Raksha University under the Ministry of Home Affairs, civil engineer and columnist; Views presented are personal.