CENTRAL GROUND WATER BOARD
State Profile
Ground Water Scenario of Chhattisgarh
Area (Sq.km) |
1,35,191 |
Physiography |
|
Drainage |
The major rivers that drain the State are Mahanadi, Indravati, Son and Narmada. |
Rainfall (mm) |
|
Total Districts |
18 Districts |
Hydrogeology
Major water bearing formations are weathered, jointed & fractured rocks of Proterozoic age where ground water occurs under water table conditions. Water bearing fractures generally occur within 100 m depth. The semi-consolidated formations (Gondwanas) are another water bearing formations with weathered sandstone and lime stone forming good aquifers. The unconsolidated sediments including alluvium and laterite are also water-yielding medium.
Dynamic Ground Water Resources (2011) |
|
Annual Replenishable Ground water Resource |
12.42 BCM |
Net Annual Ground Water Availability |
11.63 BCM |
Annual Ground Water Draft |
4.05 BCM |
Stage of Ground Water Development |
35 % |
Ground Water Development & Management |
|
Over Exploited |
1 |
Critical |
2 |
Semi- critical |
18 Blocks |
Artificial Recharge to Ground Water (AR) |
|
Ground Water Quality Problems
Contaminants |
Districts affected (in part) |
Fluoride (>1.5 mg/l) |
Bastar, Bilaspur, Dantewada, Dhamtari, Janjgir-Champa, Jashpur, Kanker, Korba, Koriya, Mahasamund, Raipur, Rajnandgaon, Surguja |
Iron (>1.0 mg/l) |
Bastar, Dantewada, Kanker, Koriya, |
Nitrate (>45 mg/l) |
Bastar, Bilaspur, Dantewada, Dhamtari, Jashpur, Kanker, Kawardha, Korba, Mahasamund, Raigarh, Raipur, Rajnandgaon |
Arsenic (>0.05 mg/l) |
Rajnandgaon |