Vizag's dirty secret
Vizag’s dirty secret Nallah nostalgia Storm water drains form naturally over time when rain water runs-off the land towards slopes. We also call them “nallahs” or “geddas”. Vizag has hillocks on three sides and a sea on one side. It is natural that all the rain water to gush quite quickly down the slopes and into the sea. Along the way the storm water gathered in some of the low lying areas forming natural reservoirs before making its way to the sea. Vizag always had an excellent natural storm water drainage system. A survey of India map of Vizag in 1929 shows that we had 31 km of storm water drains within the smaller Vizag at that time and 300 acres of water bodies that these storm water drains drained into. Fascinating ecosystem This system of natural storm water drains was an ecological wonderland. Tall grass grew all along the nallahs and played host to myriad creatures. At the bottom of the food chain were the worms, grasshoppers, mantis, tadpoles, frogs, snai...