Average groundwater level in the district during Sep 2017.
Average groundwater levels in Sep 2018, a drop of 1.63 metres in the district following rainfall deficit to the extent 46.7 mm till September this year as well as over exploitation of groundwater.
Number of mandals (aka tehsils or talukas) in Nellore district that have a significant depletion of groundwater levels. A total of 46 mandals fall under the Nellore district.
Groundwater levels in 7 mandals where the situation is the worst. In atleast 4 other mandals the recorded level is 15 to 20 metres.
Number of villages in the 11 mandals that are severely impacted. The groundwater department has identified 48 critical villages, 204 overexploited villages and 109 semi-critical villages in the district in a recent study.