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Stage of Ground Water Extraction Categorization (2024)








                  he "Stage of Ground Water Extraction" is a measure that represents the ratio                                N
                  of "Annual Ground Water Extraction" to "Annual Extractable Ground Water
            TResource," typically expressed as a percentage. This parameter is essential                                W          E
            in  hydrogeology  for  assessing  and  monitoring  the  extent  of  Ground  Water
            extraction from an aquifer or specific region. It helps in managing Ground Water                                  S
            depletion,  planning  future  water  supply,  identifying  places  with  problems  with
            Ground  Water  quality,  and  pinpointing  areas  where  excessive  Ground  Water                                Scale
            removal occurs. The block-wise stage of Ground Water extraction in Haryana is                                                  Kms
                                                                                                                0  12.5 25   50    75    100
            categorized according to Ground Water development as of 2023, as shown in Figure
            43. The stage of Ground Water extraction is determined by:

                                     Existing Gross GW Extraction for all Uses
            Stage of GW Extraction=                                            ×100
                                         Annual Extractable GW Resources

            There are four main categories of the stage of Ground Water extraction defined by
            the Central Ground Water Board (CGWB), as shown in Figure 45. If the stage of
            Ground Water extraction falls within values ≤70%, it is classified as Safe. Similarly,
            values ranging from >70% to ≤90%, >90% to ≤100%, and >100% are referred to as
            Semi-critical, Critical, and Over Exploited, respectively (Figure 45). In Haryana,
            there are a total of 36 assessment units (blocks) classified as safe, 8 as semi-critical,
            11 as critical, and 88 as over-exploited. The central region of Haryana falls within
            the safe zone. The over-exploited category dominates 61% of the area in Haryana,
            primarily found in parts of Sirsa, Ambala, Kurukshetra, Gurugram, Fatehabad,
            Faridabad, Kaithal, Karnal, Yamunanagar, Panipat, Sonipat, Mahendragarh, Jind,
            Charkhi Dadri, Bhiwani, and Rewari. This indicates that the rate of Ground Water
            extraction exceeds the rate of recharge, leading to a decline in the water level in
            these regions. Such a situation can have severe environmental, social, and economic
            consequences, including:

            Ÿ Ecological  impacts:  The  decline  in  the  water  level  can  affect  the  natural
               vegetation and wildlife that depend on the Ground Water for survival.
            To  address  the  problem  of  overexploitation,  various  measures  can  be  taken,
            including:
            Ÿ Regulating  Ground  Water  extraction:  Governments  can  implement
               regulations to limit the amount of water that can be extracted from an aquifer or
               a particular region.

            Ÿ Promoting  water  conservation:  Water  conservation  measures,  such  as
               efficient irrigation practices, can help to reduce the demand for Ground Water.

            Ÿ Developing  alternative  water  sources:  Governments  can  invest  in
               alternative water sources, such as surface water or treated wastewater, to reduce
               the dependence on Ground Water.

            Ÿ Recharging Ground Water: Artificial Ground Water recharge techniques,
               such as injecting treated wastewater or stormwater into the ground, can help to
               replenish the Ground Water resources.
            Ÿ Use  of  efficient  irrigation  system  like  drip  irrigation  &  sprinkler  irrigation
               system.
            Ÿ Crop diversification towards less water demanding crops/ varieties.






                                                                                                               Figure 45. Stage of Ground Water Extraction Categorization (2024)
                                                                                                                                                                                                   Data Source-GWC, Haryana
                                                                                                                                                                                                     Haryana Water Resources  Atlas     65|
   78   79   80   81   82   83   84   85   86   87   88