As per Central Ground Water Board Report-2016)
¨ 73% wells in State have water level b/w
5 -10 mtr
Water
Level in the state of Jharkhand varies generally in the range of 2-10 mtr b.g.l. (Below Ground Level). Out of the total
219 wells analysed to prepare this report, less than 1% of wells have shown
depth to water level in the range of 0 to 2 m. Water level in about 30 % of the
wells was found between 2 to 5 m bgl and about 63% of the wells analysed are
showing water level in the range of 5-10 m bgl. Deeper water levels of 10-20 m
are observed in about 7% wells. The water level ranges from 0.50 m bgl to
18.94 m bgl in Paschimi Singbhum District.
¨ 54% wells have shown a fall upto 2 m in
a year
In the state of Jharkhand there is fall in water level
in January 2016 as compared to January 2015. About 73 % of the wells analysed
shows fall in the water level. Out of this 54% wells have shown a fall in 0-2 m
range. Only 26% of the wells analysed show rise in water level, out of which
20% show fall in the range of 0-2 m.
¨Premonsoon data 2015
The water level data of January 2016 when compared
with Premonsoon 2015 indicates that there is rise in water level in the entire
state and 75 % of the wells monitored shows rise, out of which 50 % of the
wells monitored show rise in the range of 0-2 m, another 15 % in the range of
2-4 m and 11% in the range of more than 4 m. Decline in water level has been
recorded in only 24% of the wells, out of which 19% shows decline in 0-2 m
range.
¨Decadal Fluctuation in water leavel (2006-15)
The water level data of January
2015 has been compared with decadal mean (January 2005- 2016 to assess the
rise/fall in water level during current year with respect to long term average
of the corresponding period. About 24% of analysed wells have shown a rise in
water level. Out of this 19% of the wells have shown rise in the range of 0 to
2 m, 5% wells have shown rise in the range of 2 to 4 m. About 76% wells have
shown a fall in water level, out of which 53% wells have shown fall in the 
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