Despite Rainfall, Chennai Reservoirs Still Remain Dry – India Despite good rains over the last 10 days, Chennaiâs reservoirs remain dry. As a result, the water levels in Poondi, Cholavaram, Redhills and Chembarakkam remain unchanged. On Thursday morning at 8.30, the Chennai airport observatory had received 29.4 mm rain over the past 24 hours, according to the IMDâs Chennai office. Nungambakkam station got 26.4 mm over the same period. In the week ending July 24, too, Chennai had received âlarge excessâ rainfall. Good amounts of rainfall on Monday and [âŠ] Despite Rainfall, Chennai Reservoirs Still Remain Dry – IndiaHIWI042019-07-27T17:49:10+02:00