I am a resident in Manthoppe Colony, Ashok Nagar Chennai, Tamil Nadu. We are an apartment building with 16 flats sharing water from a single underground sump. This sump gets water from the Chennai Metro Water. Due to water shoratage crisis in Chennai, we decided to clean the open well we had for abut 30 years and use the water along with Metro water. The open well is 30 feet in depth and 8 feet in diameter. It presently contains 12 feet of water from which atleast 3 feet of water is pumped out using a 1HP water pump into the underground sump twice per week.
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