| Well Type | State | District | Year | Month | Waterlevel | Rise | Fall | Remarks |
|---|---|---|---|---|---|---|---|---|
| Observation Wells | TamilNadu | Kanyakumari | 2018 | August | 4.47 | 4.31 | - | Water level Raised |
| Observation Wells | TamilNadu | Virudhunagar | 2018 | August | 9.06 | 2.28 | - | Water level Raised |
| Observation Wells | TamilNadu | Tirunelveli | 2018 | August | 7.42 | 3.27 | - | Water level Raised |
| Observation Wells | TamilNadu | Thoothukudi | 2018 | August | 6.54 | 2.26 | - | Water level Raised |
| Observation Wells | TamilNadu | Theni | 2018 | August | 10.54 | 1.95 | - | Water level Raised |
| Observation Wells | TamilNadu | Sivaganga | 2018 | August | 9.05 | 0.87 | - | Water level Raised |
| Observation Wells | TamilNadu | Ramanathapuram | 2018 | August | 5.36 | 0.67 | - | Water level Raised |
| Observation Wells | TamilNadu | Madurai | 2018 | August | 8.59 | 0.82 | - | Water level Raised |
| Observation Wells | TamilNadu | Dindigul | 2018 | August | 11.39 | 1.86 | - | Water level Raised |
| Observation Wells | TamilNadu | Nilgiris | 2018 | August | 2.63 | 0.01 | - | Water level Raised |
| Observation Wells | TamilNadu | Tirupur | 2018 | August | 11.95 | 3.21 | - | Water level Raised |
| Observation Wells | TamilNadu | Coimbatore | 2018 | August | 14.23 | 3.79 | - | Water level Raised |
| Observation Wells | TamilNadu | Erode | 2018 | August | 10.89 | 2.28 | - | Water level Raised |
| Observation Wells | TamilNadu | Namakkal | 2018 | August | 11.83 | 3.89 | - | Water level Raised |
| Observation Wells | TamilNadu | Salem | 2018 | August | 11.77 | 2.17 | - | Water level Raised |
| Observation Wells | TamilNadu | Ariyalur | 2018 | August | 6.47 | - | 0.42 | Water level Decreased |
| Observation Wells | TamilNadu | Pudukkottai | 2018 | August | 8.00 | 1.52 | - | Water level Raised |
| Observation Wells | TamilNadu | Perambalur | 2018 | August | 11.07 | 2.33 | - | Water level Raised |
| Observation Wells | TamilNadu | Karur | 2018 | August | 6.40 | 2.44 | - | Water level Raised |
| Observation Wells | TamilNadu | Tiruchirappalli | 2018 | August | 10.70 | 2.89 | - | Water level Raised |
| Observation Wells | TamilNadu | Nagapattinam | 2018 | August | 4.13 | 2.28 | - | Water level Raised |
| Observation Wells | TamilNadu | Tiruvarur | 2018 | August | 4.43 | 0.88 | - | Water level Raised |
| Observation Wells | TamilNadu | Thanjavur | 2018 | August | 3.66 | 0.53 | - | Water level Raised |
| Observation Wells | TamilNadu | Viluppuram | 2018 | August | 9.14 | 1.02 | - | Water level Raised |
| Observation Wells | TamilNadu | Cuddalore | 2018 | August | 7.84 | - | 0.05 | Water level Decreased |
| Observation Wells | TamilNadu | Krishnagiri | 2018 | August | 8.22 | 1.59 | - | Water level Raised |
| Observation Wells | TamilNadu | Dharmapuri | 2018 | August | 11.62 | 0.25 | - | Water level Raised |
| Observation Wells | TamilNadu | Vellore | 2018 | August | 8.53 | 1.73 | - | Water level Raised |
| Observation Wells | TamilNadu | Tiruvannamalai | 2018 | August | 8.23 | 1.66 | - | Water level Raised |
| Observation Wells | TamilNadu | Kanchipuram | 2018 | August | 5.54 | - | 0.09 | Water level Decreased |