There was a considerable amount of rain in Chennai during September 2019 and due to the rain water harvesting done by Metro water department and people of Chennai ground water level has considerable improved. This is a good sign for upcoming months as it would solve the water problems in Chennai where they buy water tankers in many areas. You can see in the data below that distance from ground to water level has considerably decreased compared to August 2019, this shows water table has improved. Here are the ground water levels in various places of Chennai in October 2019:
Ground Water Level in Thiruvottiyur August 2019 – 4.78m
Ground Water Level in Thiruvottiyur September 2019 – 4.53m
Difference +0.25
Ground Water Level in Manali August 2019 – 5.39m
Ground Water Level in Manali September 2019 – 4.99m
Difference +0.4
Ground Water Level in Madhavaram August 2019 – 7.61m
Ground Water Level in Madhavaram September 2019 – 6.30m
Difference +1.31
Ground Water Level in Tondairpet August 2019 – 7.67m
Ground Water Level in Tondairpet September 2019 – 7.01m
Difference +0.66
Ground Water Level in Royapuram August 2019 – 7.69m
Ground Water Level in Royapuram September 2019 – 7.22m
Difference +0.47
Ground Water Level in Thiru vi.ka.Nagar August 2019 – 8.26m
Ground Water Level in Thiru vi.ka.Nagar September 2019 – 5.74m
Difference +2.52
Ground Water Level in Ambathur August 2019 – 9.03m
Ground Water Level in Ambathur September 2019 – 7.49m
Difference +1.54
Ground Water Level in Anna Nagar August 2019 – 6.62m
Ground Water Level in Anna Nagar September 2019 – 5.81m
Difference +0.81
Ground Water Level in Teynampet August 2019 – 6.48m
Ground Water Level in Teynampet September 2019 – 5.98m
Difference +0.5
Ground Water Level in Kodambakkam August 2019 – 8.01m
Ground Water Level in Kodambakkam September 2019 – 7.39m
Difference +0.62
Ground Water Level in Valasaravakkam August 2019 – 6.66m
Ground Water Level in Valasaravakkam September 2019 – 6.46m
Difference +0.2
Ground Water Level in Alandur August 2019 – 8.35m
Ground Water Level in Alandur September 2019 – 7.60m
Difference +0.75
Ground Water Level in Adyar August 2019 – 7.03m
Ground Water Level in Adyar September 2019 – 6.32m
Difference +0.71
Ground Water Level in Perungudi August 2019 – 5.16m
Ground Water Level in Perungudi September 2019 – 4.54m
Difference +0.62
Ground Water Level in Sholinganallur August 2019 – 5.45m
Ground Water Level in Sholinganallur September 2019 – 4.52m
Difference +0.93