GROUND WATER PROSPECTS MAP - maps.wbphed.gov.inmaps.wbphed.gov.in/hgm/hgm_pdf/gwm79a16.pdf ·...
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MAP SHEET NO. 79A/16 D ! D ! D ! D ! D ! D ! D ! D ! D ! 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The figures on the top right hand side of well indicate the depth to water level and depth of well in meters DUG - CUM- BORE WELL HAND PUMP WELL ! ( D ! RIVER / STREAM (with sand) WATER BODY / SPRING « ! E CANAL NALA BUND DESILTING OF TANK § ! SUBSURFACE DYKE SOIL CONSERVATION MEASURES ! ! ! STORAGE TANK ´ YIELD RANGE IN LPM BORE / TUBE WELL DUG WELL / RING WELL > 800 LPM 400 - 800 LPM 200 - 400 LPM 100 - 200 LPM 50 - 100 LPM 30 - 50 LPM 20 - 30 LPM ª Ç ª ! ª ! ª ! ª Ç ! ( ! ( ! ( ! ( ! ( ! ( ! ( 10 - 20 LPM < 10 LPM ! ( ! ( RECHARGE WELL ! ( E RECHARGE SHAFT I 15/70 100 - 200 m / day 3 YIELD RANGE IN m / day 15/70 15/70 8/15 8/15 8/15 8/15 8/15 8/15 8/15 8/15 8/15 PERCOLATION TANK CHECK DAM RECHARGE PIT ^ @ ¼ 800 RAIN GUAGE STATION ( With average annual rainfall in mm ) !!! !! ARTESIAN WELL W ! F OBSERVATION WELL OF G.W DEPT. / C.G.W.B. ü ! ( BASE MAP INFORMATION SYMBOL DESCRIPTION SH - 9 STATE HIGHWAY METALLED ROAD OTHER ROAD RAILWAY " " CITY / VILLAGE ) " Ï ) " HABITATIONS : NON - COVERED (NC) PARTIALLY COVERED (PC) GROUND WATER PROSPECTS INFORMATION YIELD RANGE OF WELLS COLOUR CODE DEPTH RANGE OF WELLS SHALLOW MODERATE DEEP < 30 METERS 30 - 80 METERS > 80 METERS > 800 LPM Prospects limited to valley portions only (Hills, Plateaus etc.) Run-off zone/ Barrier for G.W. movement VIOLET RED 400 - 800 LPM INDIGO 200 - 400 LPM BLUE 100 - 200 LPM GREEN 50 - 100 LPM YELLOW 30 - 50 LPM ORANGE 20 - 30 LPM 10 - 20 LPM BROWN PINK < 5 m / day 3 200 - 400 m / day 3 3 > 400 m / day 3 50 - 100 m / day 25 - 50 m / day 3 15 - 25 m / day 3 10 - 15 m / day 3 5 - 10 m / day 3 ª ! 15/70 ª Ç 15/70 ª ! 15/70 ª ! 15/70 Lithologic contacts are inferred at places & Geomorphic boundaries are gradational DIPS BEDDING SCHISTOSITY/ FOLIATION GENTLE ( < 15 ) MODERATE ( 15 - 45 ) STEEP ( 45 - 80 ) SUB - VERTICAL TO VERTICAL ( > 80 ) o ANTICLINE / ANTIFORM SYNCLINE / SYNFORM Ö c Ü TREND LINE ESCARPMENT LITHOLOGY / GEOMORPHIC UNIT BOUNDARY FAULT MINOR MAJOR F F F F FRACTURE / LINEAMENT FRACTURE / LINEAMENT ( Inferred ) DYKE ( Confirmed / Inferred) ( Confirmed / Inferred) ( Confirmed / Inferred) QUARTZ REEF PEGMATITIE VEIN D D / D D Q Q Q P P P Q / P / STRUCTURAL INFORMATION o o THRUST T T T T SHEAR ZONE ( Confirmed / Inferred) S S /S S NH - 2 NATIONAL HIGHWAY LOCATION INFORMATION BLOCK INDEX MAPSHEET INDEX STATE INDEX INDIA WEST BENGAL DISTRICT INDEX (Inselberg / Ridge / Dyke etc.) L E G E N D GEOLOGICAL SEQUENCE / ROCK TYPE MAP UNIT DEPTH RANGE OF WELLS ( SUGGESTED ) MIN - MAX ( IN METERS ) QUALITY OF WATER POTABLE (P) NON - POTABLE (NP) ( INDICATE REASONS IF NON POTABLE ) GROUND WATER IRRIGATED AREA ( APPROX . RANGE IN PERCENTAGE ) G R O U N D W A T E R P R O S P E C T S These are fault / fracture zones, which generally act as conduits for movement of ground water in hard rocks. Along these zones, the yields are significantly higher and wells are likely to be sustainable for longer duration. However, the inferred fractures need to be confirmed by detailed ground surveys. N.B.-The depth range and yield range of wells may vary within the unit because of certain inhomogeneities. Fractures/Lineaments which are clearly observed / inferred from the satellite image are indicated on the map. There could be some obscured fractures which also influence the ground water prospects. Locations of the recharge structures shown in the map are tentative. This map is useful for narrowing down the target zones,and exact location on the ground for wells and recharge structures should be identified based on follow-up ground hydrogeological/geophysical surveys. F F D D D D Q Q Q Q These are dykes, quartz reefs and pegmatite veins, which generally act as barriers for ground water movement. P P P P ( REPRESENTED IN THE MAP WITH NUMERIC CODE ) YIELD RANGE OF WELLS ( EXPECTED ) ( in LPM or m / day) 3 RECHARGE CONDITIONS BASED ON AVAILABILITY OF WATER ( RAINFALL & OTHER SOURCES ) RECHARGE STRUCTURES SUITABLE & PRIORITY = PERCOLATION TANK = CHECK DAM = NALA BUND = RECHARGE WELL = DESILTING OF TANK = RECHARGE PIT = SUBSURFACE DYKE = RECHARGE SHAFT = STORAGE TANK = SOIL CONSERVATION MEASURES PT CD NB RW DT RP SD RS ST SCM AQUIFER MATERIAL LS PR FIR FR WR / WM IR = LOOSE SEDIMENTS = PERMEABLE ROCK = FISSURED ROCK = FRACTURED ROCK = WEATHERED ROCK / WEATHERED MATERIAL = IMPERIVIOUS ROCK TYPE OF WELLS SUITABLE HOMOGENEITY IN THE UNIT & SUCCESS RATE OF WELLS VERY HIGH HIGH MODERATE LOW ( PROBABILITY ) DW RW BW TW DBW / DTW = DUG WELL = RING WELL = BORE WELL = TUBE WELL = DUG CUM-BORE WELL / DUG CUM-TUBE WELL 0 1 2 3 4 5 Kilometers © 79F01 79E04 79A11 79E03 79A15 79B13 79A16 79B09 79A12 " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " L14-RANAGHAT II L14 J12 J3-BAGDA J10-BONGAON J12-GAIGHATA J3 J10 L14 J12 J3 J10 10-15 m 200-300 LPM Ox-bow Lake (OL) Very Good LS TW Very High No well observed P Not Required Groundwater available at greater depth below the surface water 10-15 m 200-300 LPM Alluvium (Sand Dominant) (111) Cut-off Meander (CM) Very Good LS RW TW Very High P Not Required Groundwater prospects very high with high recharge potential. Recharge structures not required. 10-15 m 200-250 LPM Meander Scar (MS) Good LS RW TW High P Not Required Groundwater prospects very high with high recharge potential. Recharge structures not required. Alluvium (Clay Dominant) (12) 60-70 m 40-50 LPM Backswamp (BS) Poor LS TW Low P Not Required Areas of low groundwater potential. Better potential at greater depths. DEPTH TO WATER LEVEL PRE / POST- MONSOON (AVERAGE IN METERS) NO. OF WELLS OBSERVED GEOMORPHIC UNIT / LANDFORM ( REPRESENTED IN THE MAP WITH ALPHABETIC CODE ) P a n s k u r a / A r a m b a g h / C h i n s u r a / K a t w a / K a n d i ( E a r l y t o L a t e H o l o c e n e ) M a l d a / J a l p a i g u r i / G a n g a - K o s h i F o r m a t i o n K o d a t i a R i v e r I ch a m a t i Riv e r N a o b h as a n R i v e r B e t n a R i v e r Nil Nil 0.36 Nil OTHER INFORMATION Rainfall :1624 mm (Source IMD) SPONSORED BY RAJIV GANDHI NATIONAL DRINKING WATER MISSION (PHASE IV) DEPARTMENT OF DRINKING WATER SUPPLY (DDWS) MINISTRY OF DRINKING WATER & SANITATION GOVERNMENT OF INDIA NEW DELHI PARTICIPATING ORGANIZATIONS PREPARED BY TECHNICAL GUIDANCE & QUALITY CHECK METHODOLOGY & PROJECT EXECUTION GEOINFORMATICS & REMOTE SENSING CELL W.B. STATE COUNCIL OF SCIENCE AND TECHNOLOGY DEPARTMENT OF SCIENCE AND TECHNOLOGY GOVERNMENT OF WEST BENGAL 4TH FLOOR, BIKASH BHAVAN SALT LAKE, KOLKATA 700 091 SURVEY OF INDIA GEOLOGICAL SURVEY OF INDIA PHED, GOVT. OF WEST BENGAL STATE WATER INVESTIGATION DIRECTORATE, GOWB P.S.MAPS (LAND RECORD), GOVT OF WEST BENGAL INDIAN SPACE RESEARCH ORGANISATION (ISRO) DEPT. OF SPACE, GOVT. OF INDIA BALANAGAR, HYDERABAD - 500 625 NATIONAL REMOTE SENSING CENTRE NATIONAL REMOTE SENSING CENTRE INDIAN SPACE RESEARCH ORGANISATION (ISRO) DEPT. OF SPACE, GOVT. OF INDIA BALANAGAR, HYDERABAD - 500 625 OL111 CM111 MS111 BS12 No well observed No well observed No well observed SH 1 NH 35 Designed & Developed by Hydrogeology Division, NRSC, ISRO NRSC (ISRO), DEPT. OF SPACE, GOVT. OF INDIA C C DATA USED : IRS - P6 LISS III FCC dated September 2005-February 2006,GROUND TRUTH & WELL OBSERVATION during March-June, 2012 & Oct 2012-Jan 2013,Published Geological maps & Literatures. A M C D B L E K J H I F G A-BIRBHUM B-BARDDHAMAN C-PURULIYA D-BANKURA E-PASCHIM MEDINIPUR F-PURBA MEDNIPUR G-SOUTH 24 PARGANAS H-HOWRAH I- KOLKATA J-N24 PARGANAS K-HUGLI L-NADIA M-MURSIDABAD N-MALDA N R E M A R K S ( PROBLEMS / LIMITATIONS ) ( HYDROGEOMORPHIC UNIT ) REPRESENTED IN THE MAP WITH ALPHANUMERIC CODE ( COLOUR INDICATES YIELD RANGE AND HATCHING INDICATE DEPTH RANGE) H u g l i / B h a g i r a t h i F o r m a t i o n / P r e s e n t d a y D e p o s i t s ( P r e s e n t D a y ) 500-600 LPM Alluvium (Sand and Silt) (113) Alluvial Plain Younger (APY) Good LS TW High Not Required Areas with high Arsenic and Iron concentration.Potable water available at depth range above 100 m. 100-120 m 97 APY113 NP (As & Fe) [At shallow depth] 9 9 / 6 10-15 m 250-300 LPM Alluvium (Sand,Silt & Clay) (13) Abandoned Channel (AC) Very Good LS RW TW Very High P Not Required Areas of very high groundwater potential at shallow depth.Most suitable for extraction of groundwater. 0.43 AC13 No well observed BOUNDARY : " " " " STATE DISTRICT BLOCK " " " " " INTERNATIONAL B A N G L A D E S H B A N G L A D E S H
Transcript of GROUND WATER PROSPECTS MAP - maps.wbphed.gov.inmaps.wbphed.gov.in/hgm/hgm_pdf/gwm79a16.pdf ·...
MAP SHEET NO. 79A/16
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2/200
10/150
4/2057/120
8/95
10/1157/94
10/110
6/65
Barabari
Monoharpur
Bainchidanga
Ambarpur
Kalupur
Bheripara
PuratonBangaon
KhurdKulbaria
Puthghat
Bangaon
Ramnagar
Kulbaria
Baikola
PipliparaGobrapur
Kainara
Pusthghata
Bangaon
Masyampur
Beliadanga
Thaora
Gamropota
Musibapur
SutiaChanda
PatSimutia
Taksali
Gobindopur
Paikpara
Manabhagina
Bagdaha
Jhaukhali
Kasipur
Karanga
Gopalnagar
BeltaMerani
Kurulia
Baksha
Kula
Chandpur
Asharu Hamkura
Bagi
Udaypur
Bansghata
Chakla
Ganrapota
Arsingir
Amaod
Aruapota
Charuigachi
Huda
Jagadishpur
Nakphul
Durgapur
Gazipur
Mahmudpur
Srimantapur
Jaypur
Chhugharia
Angra
Belta
Satbaria
Durgapur
Manigram
SabhaypurMonoharpur
Swastipara
Kulia
Pathuria
Sirdrani
Gopalnagar
Dogaonia
Harinathpur
Barakpur
Diara
Kumarkhola
Mullabhar
Madhabpur
Ghatbangar
Champabaria
Puthhati
Malipora
Bongson
BS12
OL111
APY113
MS111
AC13
CM111
GROUND WATER PROSPECTS MAP( PREPARED FROM SATELLITE IMAGE INTERPRETATION WITH LIMITED FIELD CHECKS )
SCALE - 1 : 50,000NADIA & NORTH 24 PARGANAS DISTRICT, WEST BENGAL
15/70
15/70
HYDROLOGICAL INFORMATION DESCRIPTION SYMBOL
CANAL / TANK IRRIGATED AREAGROUND WATER IRRIGATED AREA
E E E E
E E E E
E E E E
RECHARGE STRUCTURES SUGGESTED
WELLS OBSERVED DURING FIELD VISIT
3
Colour inside well symbol indicates yield range. The figures on the top right hand side of well indicate the depth to water level and depth of well in meters
DUG - CUM- BORE WELL HAND PUMP WELL!( D!
RIVER / STREAM (with sand)
WATER BODY / SPRING
«!
E
CANAL
NALA BUND DESILTING OF TANK §!SUBSURFACE DYKESOIL CONSERVATION MEASURES
! ! !
STORAGE TANK ´
YIELD RANGEIN LPM
BORE /TUBE WELL
DUG WELL /RING WELL
> 800 LPM400 - 800 LPM
200 - 400 LPM100 - 200 LPM50 - 100 LPM30 - 50 LPM
20 - 30 LPM
ªÇª!ª!ª!
ªÇ
!(
!(
!(
!(
!(
!(
!(
10 - 20 LPM< 10 LPM
!(
!(
RECHARGE WELL !(E
RECHARGE SHAFT I
15/70 100 - 200 m / day
3YIELD RANGEIN m / day
15/70
15/70
8/15
8/15
8/158/15
8/15
8/15
8/15
8/15
8/15
PERCOLATION TANK CHECK DAM
RECHARGE PIT ^
@¼
800RAIN GUAGE STATION( With average annual rainfall in mm )
!! !! !
ARTESIAN WELLW!F OBSERVATION WELL OF
G.W DEPT. / C.G.W.B.ü!(
BASE MAP INFORMATION
SYMBOL DESCRIPTION
SH - 9 STATE HIGHWAY
METALLED ROAD
OTHER ROAD
RAILWAY
" "CITY / VILLAGE
)"Ï )"
HABITATIONS : NON - COVERED (NC) PARTIALLY COVERED (PC)
GROUND WATER PROSPECTS INFORMATION
YIELDRANGE
OF WELLSCOLOUR
CODEDEPTH RANGE OF WELLS
SHALLOW MODERATE DEEP< 30 METERS 30 - 80 METERS > 80 METERS
> 800 LPM
Prospectslimited to valleyportions only(Hills, Plateausetc.)
Run-off zone/Barrier forG.W. movement
VIOLET
RED
400 - 800 LPM INDIGO
200 - 400 LPM BLUE
100 - 200 LPM GREEN
50 - 100 LPM YELLOW
30 - 50 LPM ORANGE
20 - 30 LPM
10 - 20 LPM
BROWN
PINK
< 5 m / day3
200 - 400 m / day3
3> 400 m / day
350 - 100 m / day25 - 50 m / day3
15 - 25 m / day3
10 - 15 m / day3
5 - 10 m / day3
ª! 15/70ªÇ 15/70
ª! 15/70
ª! 15/70
Lithologic contacts are inferred at places & Geomorphic boundaries are gradational
DIPS BEDDING SCHISTOSITY/FOLIATION
GENTLE ( < 15 )MODERATE ( 15 - 45 )
STEEP ( 45 - 80 )SUB - VERTICAL TO VERTICAL ( > 80 )
o
ANTICLINE / ANTIFORM
SYNCLINE / SYNFORM
Ö
c
Ü
TREND LINE
ESCARPMENT
LITHOLOGY / GEOMORPHIC UNITBOUNDARY
FAULTMINOR MAJOR
F F F F
FRACTURE / LINEAMENT
FRACTURE / LINEAMENT ( Inferred )
DYKE ( Confirmed / Inferred)
( Confirmed / Inferred)
( Confirmed / Inferred)
QUARTZ REEF
PEGMATITIE VEIN
D D / D D
Q Q Q
P P P
Q /
P /
STRUCTURAL INFORMATION
o
o
THRUST T T T T
SHEAR ZONE ( Confirmed / Inferred) S S /S S
NH - 2 NATIONAL HIGHWAY
LOCATION INFORMATION
BLOCK INDEX MAPSHEET INDEX
STATE INDEX
I N D I A
WEST BENGAL
DISTRICT INDEX
(Inselberg / Ridge / Dyke etc.)
L E G E N DGEOLOGICAL SEQUENCE /
ROCK TYPEMAP UNIT
DEPTH RANGEOF WELLS
( SUGGESTED )
MIN - MAX( IN METERS )
QUALITY OFWATER
POTABLE (P)NON - POTABLE (NP)
( INDICATE REASONS IF NON POTABLE )
GROUNDWATER
IRRIGATEDAREA
( APPROX . RANGE IN PERCENTAGE )
G R O U N D W A T E R P R O S P E C T S
These are fault / fracture zones, which generally act as conduits for movement of ground water in hard rocks. Along these zones, the yields are significantly higher and wells are likely to be sustainable for longer duration. However, the inferred fractures need to be confirmed by detailed ground surveys.
N.B.-The depth range and yield range of wells may vary within the unit because of certain inhomogeneities. Fractures/Lineaments which are clearly observed / inferred from the satellite image are indicated on the map. There could be some obscured fractures which also influence the ground water prospects.Locations of the recharge structures shown in the map are tentative. This map is useful for narrowing down the target zones,and exact location on the ground for wells and recharge structures should be identified based on follow-up ground hydrogeological/geophysical surveys.
F F
D DD D
Q QQQ These are dykes, quartz reefs and pegmatite veins, which generally act as barriers for ground water movement.P
PPP
( REPRESENTED IN THE MAP WITH
NUMERIC CODE )
YIELD RANGEOF WELLS
( EXPECTED )
( in LPM or m / day)3
RECHARGE CONDITIONS
BASED ON AVAILABILITY
OF WATER
( RAINFALL & OTHERSOURCES )
RECHARGESTRUCTURES
SUITABLE &PRIORITY
= PERCOLATION TANK= CHECK DAM= NALA BUND= RECHARGE WELL= DESILTING OF TANK= RECHARGE PIT= SUBSURFACE DYKE= RECHARGE SHAFT= STORAGE TANK= SOIL CONSERVATION MEASURES
PTCDNBRWDTRPSDRSSTSCM
AQUIFER MATERIAL
LS PR FIR FR WR / WMIR
= LOOSE SEDIMENTS= PERMEABLE ROCK= FISSURED ROCK= FRACTURED ROCK= WEATHERED ROCK / WEATHERED MATERIAL= IMPERIVIOUS ROCK
TYPE OF WELLSSUITABLE
HOMOGENEITY IN THE UNIT& SUCCESS
RATE OF WELLS
VERY HIGHHIGH
MODERATELOW
( PROBABILITY )DW RW BW TW DBW /DTW
= DUG WELL= RING WELL= BORE WELL= TUBE WELL= DUG CUM-BORE WELL / DUG CUM-TUBE WELL0 1 2 3 4 5
Kilometers ©
79F01
79E04
79A11 79E0379A15
79B13
79A16
79B09
79A12
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L14-RANAGHAT II
L14
J12
J3-BAGDAJ10-BONGAONJ12-GAIGHATA
J3
J10
L14
J12
J3
J10
10-15 m 200-300 LPMOx-bow Lake(OL) Very Good LS TW Very High No well observed P
Not Required Groundwater available at greater depth below the surface water
10-15 m 200-300 LPMAlluvium
(Sand Dominant)(111)
Cut-off Meander(CM) Very Good LS RW
TW Very High P Not Required Groundwater prospects very highwith high recharge potential.Recharge structures not required.
10-15 m 200-250 LPMMeander Scar(MS) Good LS
RWTW High P Not Required
Groundwater prospects very highwith high recharge potential.Recharge structures not required.
Alluvium(Clay Dominant)
(12) 60-70 m 40-50 LPMBackswamp (BS) Poor LS TW Low P Not Required Areas of low groundwater potential.
Better potential at greater depths.
DEPTH TOWATER LEVEL
PRE / POST- MONSOON (AVERAGE IN METERS)
NO. OF WELLSOBSERVED
GEOMORPHIC UNIT / LANDFORM
( REPRESENTED IN THE MAP WITH
ALPHABETIC CODE )
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N aobh
asan
Rive
r
B e t n a
R i v e r
Nil
Nil
0.36
Nil
OTHER INFORMATION
Rainfall :1624 mm (Source IMD)
SPONSORED BYRAJIV GANDHI NATIONAL DRINKING WATER MISSION
(PHASE IV)DEPARTMENT OF DRINKING WATER SUPPLY (DDWS)
MINISTRY OF DRINKING WATER & SANITATIONGOVERNMENT OF INDIA
NEW DELHI
PARTICIPATING ORGANIZATIONSPREPARED BY TECHNICAL GUIDANCE & QUALITY CHECK METHODOLOGY & PROJECT EXECUTIONGEOINFORMATICS & REMOTE SENSING CELL
W.B. STATE COUNCIL OF SCIENCE AND TECHNOLOGYDEPARTMENT OF SCIENCE AND TECHNOLOGY
GOVERNMENT OF WEST BENGAL4TH FLOOR, BIKASH BHAVANSALT LAKE, KOLKATA 700 091
SURVEY OF INDIAGEOLOGICAL SURVEY OF INDIAPHED, GOVT. OF WEST BENGAL
STATE WATER INVESTIGATION DIRECTORATE, GOWBP.S.MAPS (LAND RECORD), GOVT OF WEST BENGAL
INDIAN SPACE RESEARCH ORGANISATION (ISRO)DEPT. OF SPACE, GOVT. OF INDIA
BALANAGAR, HYDERABAD - 500 625
NATIONAL REMOTE SENSING CENTRENATIONAL REMOTE SENSING CENTREINDIAN SPACE RESEARCH ORGANISATION (ISRO)
DEPT. OF SPACE, GOVT. OF INDIABALANAGAR, HYDERABAD - 500 625
OL111
CM111
MS111
BS12
No well observed
No well observed
No well observed
SH 1
NH 35
Designed & Developed by Hydrogeology Division, NRSC, ISRONRSC (ISRO), DEPT. OF SPACE, GOVT. OF INDIACC DATA USED : IRS - P6 LISS III FCC dated September 2005-February 2006,GROUND TRUTH & WELL OBSERVATION during March-June, 2012 & Oct 2012-Jan 2013,Published Geological maps & Literatures.
AM
C D B L
EK J
H I
F G
A-BIRBHUMB-BARDDHAMANC-PURULIYAD-BANKURAE-PASCHIM MEDINIPURF-PURBA MEDNIPURG-SOUTH 24 PARGANASH-HOWRAHI- KOLKATAJ-N24 PARGANAS
K-HUGLIL-NADIAM-MURSIDABADN-MALDA
N
R E M A R K S( PROBLEMS / LIMITATIONS )
( HYDROGEOMORPHIC UNIT )
REPRESENTED IN THE MAP WITH
ALPHANUMERIC CODE
( COLOUR INDICATESYIELD RANGE AND
HATCHING INDICATE DEPTH RANGE)
Hu
gli/
Bha
gira
thi
For
mat
ion
/Pre
sen
tda
yD
epos
its
(Pre
sen
tD
ay)
500-600 LPMAlluvium
(Sand and Silt)(113)
Alluvial PlainYounger
(APY)Good LS TW High Not Required
Areas with high Arsenic and Ironconcentration.Potable water available at depth range above100 m.100-120 m 97APY113
NP(As & Fe)
[At shallowdepth]
99 / 6
10-15 m 250-300 LPMAlluvium
(Sand,Silt & Clay)(13)
Abandoned Channel (AC) Very Good LS RW
TW Very High P Not RequiredAreas of very high groundwaterpotential at shallow depth.Most suitable for extraction of groundwater.
0.43AC13 No well observed
BOUNDARY :
" " " " STATEDISTRICTBLOCK
" " " " " INTERNATIONALBA
NG
LA
DE
SH
B A N G L A D E S H
