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State Profile
State Profile
Ground Water Scenario of Rajasthan
Area (Sq.km) |
3,42,239 |
Rainfall (mm) |
504 |
Total Districts / Blocks |
32 districts / 236 Blocks |
Hydrogeology
The State can be divided into three hydrogeological units namely, unconsolidated sediments, semi-consolidated sediments and consolidated rocks. The unconsolidated sediments are of two types- alluvial sediments and aeoline deposits. The Alluvial deposits are confined to Barmer, Jalore and Jodhpur district, consisting of sand, clay, gravel and cobbles. Valley fills have been reported from Jhunjhunu, Ajmer, Bhilwara and Udaipur district. The Aeoline sediments constitute one of the major aquifers east of major fault, east of Bikaner. It occupies an area of 1400 sq.km. The aquifer thickness is 40 to 80 m. The yield of wells ranges from 100 to 150 m3/hr. Semi-consolidated formations include sandstones, limestones and Aur beds, covering Jaisalmer and Barmer districts. The dugwells in Jaisalmer limestones yield 13 to 68 m3/day. The yield of wells in Lathi sandstone varies from 50-150 m3/hr. The consolidated rocks includes gneiss, granites, schist, phyllites, marble and Vindhyan sandstones, limestone, quartzite and basaltic flows, mostly restricted to eastern part of the State. The yield prospect is limited unless the well is located near major lineaments or any other weak planes. The ground water quality is in general poor (brackish to saline) at deeper levels.
Dynamic Ground Water Resources |
Annual Replenishable Ground water Resource |
11.56 BCM |
Net Annual Ground Water Availability |
10.38 BCM |
Annual Ground Water Draft |
12.99 BCM |
Stage of Ground Water Development |
125 % |
Ground Water Development & Management |
Over Exploited |
140 Blocks |
Critical |
50 Blocks |
Semi- critical |
14 Blocks |
Ground Water User Maps |
32 districts |
Artificial Recharge to Ground Water (AR) |
- Area identified for AR: 39120 sq km
- Quantity of Surface Water to be Recharged: 861 MCM
- Feasible AR structures: 3228 percolation tanks, 1291 anicuts, 2871 recharge shafts, RTRWH structures (4 lakh houses)
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AR schemes completed during IX Plan: 18 |
Ground Water Quality Problems |
Contaminants |
Districts affected (in part) |
Salinity (EC > 3000 µS/cm at 25 ° C) |
Ajmer, Alwar, Barmer, Bharatpur, Bhilwara, Bundi, Bikaner, Churu, Chittaurgarh, Dhaulpur, Dausa, Ganganagar, Hanumangarh, Jaipur, Jaisalmer, Jalor,Jhunjhunun, Karoli, Nagaur, Neemuch, Raja Samand, Sirohi, Sikar, Swai Madhopur, Tonk, Udaipur |
Fluoride (>1.5 mg/l) |
Ajmer, Alwar, Banaswara, Barmer, Bharatpur, Bhilwara, Bikaner, Bundi, Chittaurgarh, Churu, Dausa, Dhaulpur, Dungarpur, Ganganagar, Hanumangarh, Jaipur, Jaisalmer, Jalor,Jhunjhunu, Jodhpur, Karauli, Kota, Nagaur, Pali, Rajasamand, Sirohi, Sikar, SawaiMadhopur, Tonk, Udaipur |
Chloride (> 1000 mg/l) |
Barmer, Bharatpur, Bikaner, Churu, Ganganagar, Hanumangarh, Jaipur, Jaisalmer, Jalor, Jhunjhunun, Jodhpur Nagaur, Sirohi, Nagaur, Sikar, Tonk |
Iron (>1.0 mg/l) |
Ajmer, Alwar, Banswara, Baran, Bharatpur, Bhilwara, Bikaner, Chittaurgarh, Churu, Dausa, Dhaulpur, Dungarpur, Ganganagar, Hanumangarh, Jaipur, Jaisalmer, Jhalawar, Jhunjhunu, Jodhpur, Karauli, Kota, Nagaur, Pali, Rajasamand, Sikar, Sawai Madhopur, Tonk, Udaipur |
Nitrate (>45 mg/l) |
Ajmer, Alwar, Banaswara, Baran, Barmer, Bharatpur, Bhilwara, Bikaner, Chittaurgarh, Churu, Dausa, Dhaulpur, Dungarpur, Ganganagar, Hanumangarh, Jaipur, Jaisalmer, Jalor, Jhalawar, Jhunjhunu, Jodhpur, Karauli, Kota, Nagaur, Pali, Partapgarh, Rajasamand, Sirohi, Sikar, Swai Madhopur, Tonk, Udaipur |
Enactment of Ground Water Bill to regulate and control the development of ground water:
The State Govt. of Rajasthan has presented “The Rajasthan Ground Water Management Bill, 2006” in the Vidhan Sabha on 07.04.2006 and was referred to the Select Committee. The Bill is under consideration of the Select Committee.
To be enacted.
Inclusion of Roof Top Rain Water Harvesting (RTRWH) in building by laws:
Roof Top RWH has been made mandatory in State owned buildings of plot size more than 300 Sq.m with effect from 03.01.2006. For violation of building bye-laws, punitive measures, viz. disconnection of water supply, has also been made. The Govt. has made provision of compulsory installation of rainwater harvesting system in all newly and existing construction building and Govt. offices vide order dated 31.05.2000 and 12.12.2005. The State Government is also considering to modify Municipal Corporation Act making provisions of RWH.
Central Ground Water Authority
Areas Notified for Regulation of ground water development |
- Jhotwara block of Jaipur district
- Pushkar Valley, Ajmer district
- Jalore block, Jalore district
- Raniwara block, Jalore district
- Budhana block, Jhunjunu district
- Chirawa block, Jhunjunu district
- Mundwa block, Nagaur district
- Behror block, Alwar district
- Bhinmal block, Jalore district
- Surajgarh block, Jhunjunu district
- Dhod block, Sikar district
- Shri Madhopur block, Sikar district
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Mass Awareness Programme (as on 31.03.2010) |
19 |
Water Management Training Programme (as on 31.03.2010) |
18 |
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Ministry
of Water Resources