District South 24 Parganas Hydrogeological Map
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88°0'0"E 88°15'0"E 88°30'0"E 88°45'0"E 89°0'0"E 22°45'0"N 22°45'0"N DISTRICT SOUTH 24 PARGANAS HYDROGEOLOGICAL MAP North 24 Parganas Bhangar-II 22°30'0"N ± 22°30'0"N Bhangar-I Haora District Budge Budge-I Sonarpur Budge Budge-II Bishnupur-I B Canning-II A Bishnupur-II G Baruipur L Falta A D Canning-I E Magrahat-II Diamond Harbour-II 22°15'0"N S 22°15'0"N Jaynagar-I H Magrahat-I Diamond Harbour-I East Medinipur Jaynagar-II District Mandirbazar Kulpi Mathurapur-I 22°0'0"N Kultali 22°0'0"N Mathurapur-II Kakdwip . Patharpratima R l r a e g n a v m i i a R R i r l e g v u i SAGAR ISLAND r R H e 21°45'0"N 21°45'0"N r v a i e g R n v i a h r R b e a Namkhana i v r a i l a t R H n a i a a M r b u a k s a o h G Legend T Rock Type B A Y O F B E N G A L Very fine sands and silts 21°30'0"N 21°30'0"N Sands,silts and dark grey clays Greyish black clay District Boundary 0 5 10 20 30 40 Kilometers Silty clay interbanded with sand and silt Block Boundary Projection & Geodetic System:GCS,WGS 1984 Symbol Rock Type Age Lithology Aquifer Description Hydrogeology The groudwater yield is 40lit/ Alternate layers of Middle Holocene Flood plane of river basin Aquifer with primary intergranular sec 21°15'0"N sand,silt and dark grey with levee,flood basin zone etc. porosity 21°15'0"N clays with Arambag formation Depth of water table ranges from Silty caly interbanded with Upper Holocene to Tide dominated deltaic plane Fresh water overlaying by saline 1m to 3m bgl and the fresh water sand and silt horizons Middle Holocene with greyish black clay groundwater blanketing horizons is overlaying by saline ground water Sands.silts and dark grey Middle Holocene Lower mature deltaic plane Area where shallow tubewell The groudwater is yielded by clays with alternate layers of irrigation is practised shallow tubewell sand,silt and clay 21°0'0"N 21°0'0"N Lower active tide dominated Deeper aquifers are generally The fresh ground water is yielded Very fine sand and silts Upper Holocene deltaic plane with interbanded under flowing condition and by deep tubewell of greater than layers of sand and silts shallow aquifer are brackish 15.4m Reference:CGWB & GSI 88°0'0"E 88°15'0"E 88°30'0"E 88°45'0"E 89°0'0"E.