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R. 7 E. R. 8 E. R. 6 E. R. 7 E. illage Br E V oo
k
5
2
6
3
1 d
11 SR a 8 9 10 o 7 R 12 The occurrence of bedrock aquifers depends on the original composition of the rocks and
2 11 E
10 R
S O 3 8 9 a 8 0 t 7 y s
12 t R 11 0 u subsequent changes which influence the hydraulic properties. Post-depositional
n n
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o processes, which promote jointing, fracturing, and solution activity of exposed bedrock,
d
C 9
Fortville a 0 o generally increase the hydraulic conductivity (permeability) of the upper portion of
ad 1000 N E nty Ro 1
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0 bedrock aquifer systems. Because permeability in many places is greatest near the
R. 5 E. R. 6 E. y
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R bedrock surface, bedrock units within the upper 100 feet are commonly the most
5 d
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d productive aquifers. In Hancock County, rock types exposed at the bedrock surface
d
s
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e r 15 14
a a 16
a N 17 lf e R
k o 18
n 13 as
e 14 m include moderately productive limestones and dolomites with small amounts of
r A
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Geist d R 16 o h t
e R 0 N 17 a v
r 95 h C oad 18 n
County R 13 y i d B r a t l interbedded shales. m 14 u Reservoir o C T l p 15 n e C 16 o C c 18 17 u R
C W o d Cree o 13 M ar k
14 C County Road 925 N 0 ug rn
5 S The Silurian and Devonian Carbonates Aquifer System is the only bedrock aquifer
County Road 900 N E R n
u
d
5 E k a system identified for Hancock County. This system is overlain by unconsolidated
For P 2 h o Milners
M 0 t 1 a e
r R r 5
s 1 o 36 h N t e deposits of varying thickness ranging from approximately 50 feet to greater than 300 feet.
u 7
y
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a The bedrock aquifer system is under confined conditions. In other words, the o 23
u e 21 22 o d 20
e R o 19 24
23 R potentiometric surface (water level) in most wells completed in bedrock rises above the
C D
22 y S Creek 20 21 t u ty 24 gar 19 it n
n top of the water-bearing zone. Bedrock wells represent only about 5% of all wells
22 23 Eden Rd T ch u u 21 o
20 r o
19 C
24 9 e completed in the county. C e 23 Eden s
R
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a The yield of a bedrock aquifer depends on its hydraulic characteristics and the nature of 30-01108-IN r D 0 B 5
y 5
r 0 7
D R 234 i 2
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C! 7 the overlying deposits. Shale and glacial till act as aquitards, restricting recharge to 7
c
d
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d
d
d a
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a underlying bedrock aquifers. However, fracturing and/or jointing may occur in aquitards,
o 26 R
W 27
o
28 e o 29
30 R y
5 25
McCordsville R
r 26 R
which can increase recharge to the underlying aquifers. Hydraulic properties of the o 7 27
28 y
r t
C y
4 29
ty t
30 n
25 T
n n
d k 26 bedrock aquifers are highly variable.
u E
27 u a
c u o d 750 N 28 Shirley
y Roa o nt o Cou 29 u o 30 0
C Wilkinson
25 C
R 5 B C
26
2
y
t nty Road 700 N
U d Cou
n
a u
t o
l D o
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y
F t Silurian and Devonian Carbonates Aquifer System e k ll n e
i u
v 35 e o 34 t W 33 r
r ounty Road 650 N 31 32
C C 0 36 o 34 35 h C F 0 32 33 c e
5 31 n l
36 a i d 35 34 r m In Hancock County this aquifer system consists primarily of middle Devonian age a 32 33 B ix 36 o 31 S T. 17 N.
35 R carbonates of the Muscatatuck Group and underlying Silurian carbonates. However,
y
t T. 16 N.
n along the eastern edge of the county in a buried pre-glacial valley and a few other isolated u
o Willow
nty Road 600 N E areas where rocks of the Muscatatuck Group have been removed by erosion the system is ou C C w
0 lo
T. 17 N. 0 il Branch composed of only Silurian carbonates. Because individual units of the Silurian and 3 W 3 2 T. 16 N. d 5 4 Devonian systems are composed of similar carbonate rock types and cannot easily be a 2 1 6 4 o 3
5 R distinguished on the basis of water well records, they are considered as a single water- 1 6 2 y 3 t bearing system. Total thickness of the Silurian and Devonian Carbonates Aquifer System 6 5 4 n 00 N 2 1 u County Road 5 30-01045-PS o in Hancock County generally ranges from 100 to 200 feet.
C! C
E
0 Wells penetrating this system have reported depths ranging from 57 to 390 feet, but are
Maxwell 0
E
6
commonly 150 to 250 feet deep. The amount of rock penetrated in the Silurian and 0
d 11 a 5 10
9
o 8
d 12 7 Devonian Carbonate Aquifer System typically ranges from 10 to 60 feet.
R a 11
10
o 9 8 y
t
12 7 R
11 k n y
10 u
9 F t e Water wells in the Silurian and Devonian Carbonates Aquifer System are generally 8 e o
11 L 12 7 o n r C a r u n t e v o C capable of meeting the needs of domestic and some high-capacity users. In this county, R i d l C l e e nty Road 400 N
Cou E most domestic well yields typically range from 10 to 30 gallons per minute (gpm). There
n
i E
E
P
E 0
Mohawk i 5 0
k w 0 are 2 registered significant water withdrawal facilities (2 wells) with reported yields of 80
5
2
e 7
5
7
5
4
3
dy d County Road 350 N
and 100 gpm. However, this aquifer system is less productive along the eastern border
d a
n d 14 d
a 15 o
a 16
a a o 17
o 13 18
r R due to thick unconsolidated deposits limiting recharge. In addition, a few dry holes have o
14
B 15 R
R
R y
16
t
17 y y
18 t been reported just across the county line in Henry County. Static water levels typically
y n
13 t
t
n
14 u
n
15 n u
16 o
u range from 15 to 40 feet below land surface. A few flowing wells have been reported for 17 u 18 o
13 o
14 C
o
C C
C this bedrock system in the county. Mount
Comfort County Road 300 N The quality of water in the Silurian and Devonian Carbonates Aquifer System in §70 ¦¨ 50 N Hancock County is generally acceptable for domestic use. The susceptibility of bedrock County Road 2 21 22 23
W 20 23 24 19 aquifer systems to surface contamination is largely dependent on the type and thickness 0 22 0 20 21 7 19 of the overlying sediments. This aquifer system is not very susceptible to contamination 23 24 d 22 a 20 21 70 due to thick clay deposits over most of the county. However, the aquifer system is
23 o 24 19 ¦¨§ d
R
R moderately susceptible in the Big Blue River valley where the unconsolidated materials
y d
t New R
k
E
n
e are thin and clay aquitards are absent in some places.
u
0
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o
5 8 C 200 N
C Road unty Rd Grandison
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W ounty Road 15
a C
c
o 26 u 0 28 27
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3 26
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n e m
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s n x o t i i k i
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o Location Map r 13 16
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C r 21 k
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23 C P d Registered Significant Ground-Water
W u n R C!
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g County Road 4
a
u o Fortville Fault
S e R New n
y i t
n w County Road 450 S
Palestine u y Stream
o 25 30 29 28 29 d 28 27 26
C 30 25 n 28 27 26 r k 30 29 a ive ree 25 r R C 26 Rd Pr ue mile County Road Furry B ai Big B l ix rie S Stinemyer Rd County Road 500 S
E State Road & US Highway
B
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u nty Road
n Cou
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C T. 14N. C T. 15 N. R. 7 E. R. 8 E. Municipal Boundary R. 6 E. R. 7 E. T. 14 N. R. 5 E. R. 6 E. 1010.5 Kilometer
Map Use and Disclaimer Statement This map was created from several existing shapefiles. Township and Range Lines of Indiana (line Bedrock Aquifer Systems of Hancock County, Indiana shapefile, 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621), We request that the following agency be acknowledged in products derived County Boundaries of Indiana (polygon shapefile, 20020621) was from the Indiana from this map: Indiana Department of Natural Resources, Division of Water. Geological Survey and based on a 1:24,000 scale, except the Bedrock Geology of Indiana (polygon by Map generated by Jennifer K. Mc Millan and Joseph L. Phillips shapefile, 20020318), which was at a 1:500,000 scale. Draft road shapefiles, System1 and System2 IDNR, Division of Water, Resource Assessment Section This map was compiled by staff of the Indiana Department of Natural (line shapefiles, 2003), were from the Indiana Department of Transportation and based on a Glenn E. Grove Resources, Division of Water using data believed to be reasonably accurate. 1:24,000 scale. Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was from the U.S. Division of Water, Resource Assessment Section However, a degree of error is inherent in all maps. This product is distributed Census Bureau and based on a 1:100,000 scale. Streams27 (line shapefile, 20000420) was from the “as is” without warranties of any kind, either expressed or implied. This map Center for Advanced Applications in GIS at Purdue University. Managed Areas 96 (polygon shapefile, is intended for use only at the published scale. various dates) was from IDNR. November 2005 Mitchell E. Daniels, Jr., Governor Department of Natural Resources Division of Water Robert E. Carter Jr., Director Potentiometric Surface Map 18-B
POTENTIOMETRIC SURFACE MAP OF THE BEDROCK AQUIFERS OF HANCOCK COUNTY, INDIANA
Hancock County, Indiana is located in the central portion of the state. The majority of the R. 7 E. R. 8 E. county is situated in the East Fork White River Basin, however, a relatively small area in the R. 6 E. R. 7 E. northwest section is located within the White and West Fork White River Basin.
C k e
o e The Potentiometric Surface Map (PSM) of the bedrock aquifers of Hancock County was
u r n 0 t 5 C y mapped by contouring the elevations of 368 static water-levels reported on well records received 0 9
10 0 R 9 9 10 r 2 8 a primarily over a 50 year period. These wells are completed in bedrock aquifers at various o 8 7 8 13 12 g «¬ a 11
d 11 0 8 9 u depths, and typically, under confined conditions (bounded by impermeable layers above and 4 7 11 8 12 5 S
0 9 0 «¬109 below the water bearing formation). However, some wells were completed under unconfined 10 0 E Fortville 5 0 C (not bounded by impermeable layers) settings. The potentiometric surface is a measure of the 6 8 o
8 County Road 1000 N u pressure on water in a water bearing formation. Water in an unconfined aquifer is at atmospheric
R. 5 E. R. 6 E. n
Nashville 0 t 0 4 y pressure and will not rise in a well above the top of the water bearing formation, in contrast to 3 9 9 R 0 o water in a confined aquifer which is under hydrostatic pressure and will rise in a well above the 0 0 a 7 k 9 15 d 14 8 e 13 17 16 30 1 top of the water bearing formation. Portions of Hancock County were not mapped due to a 8 15 e 14 N 1 17 16 r 18 a 0 general lack of water well data making it difficult to represent accurate PSM elevations. These 18 Milners s 0 0 17 13 9 C h 6 ® 16 v «¬ E 14 r i 9 13 Corner ll areas are generally considered to have limited aquifer resources leaving it difficult to represent d 18 15 a e R 0 R County Road 900 N 14 d 8 g d or 8 u accurate PSM elevations (see Aquifer Systems Map 20-B; Bedrock Aquifer Systems of Hancock C 36 S 0 c ¤£ County, Indiana; Grove, 2005). 9 M 7
C
o North Fork u Static water-level measurements in individual wells used to construct county PSM’s are 0 n 20
1 t 22 23 9 y 21 Woodbury 24 indicative of the water-level at the time of well completion. The groundwater level within an 23 R 19 22 19 Warrington 20 23 24 o aquifer constantly fluctuates in response to rainfall, evapotranspiration, groundwater 20 a
d 21 21 0
19 2 7 movement, and groundwater pumpage. Therefore, measured static water-levels in an area 0 0 24 22 9 23 East Fork Eden 0 0 234 may differ due to local or seasonal variations. Because fluctuations in groundwater are
8 «¬ h White River E ranc typically small, static water-levels can be used to construct a generalized PSM. Groundwater ry B Basin flow is naturally from areas of recharge toward areas of discharge. As a general rule, but D d 0
234 R 8 «¬ 9 certainly not always, groundwater flow approximates the overlying topography and intersects n 27 26 a 28 0 i 25 30 29 the land surface at major streams. 2 d i 27 8 r 29 28 k 27 e 26 e 26 McCordsville M 25 30 e 28 Shirley Universal Transverse Mercator (UTM) coordinates for the water wells were either physically 30 29 r
C obtained in the field, determined through address geocoding, or reported on water well records;
W 0 N k County Road 70
26 c 0 25 however, the location of the majority of the water well records used to make the PSM were not
0 u h
6 c B County Road 700 N field verified. Elevation data were obtained from a digital elevation model. Quality
d n 8
a a 5 o r control/quality assurance procedures were utilized to refine or remove data where errors were
W 0
R
B
0
y 35 readily apparent. 0 33 0 t 32
4 33 36 Wilkinson n 31 32 35 0
1 31 34 w u
d 9
8 36 o 34 a o 35 l 9 34 l
o 33
C 31 32 i Bedrock static water levels in Hancock County range from a high of 1006 feet mean sea level
R Willow
0 W T. 17 N. 36 y 0 35 t 4 6 Branch (msl) in the northeast, to a low of 702 feet msl in the mid-western portion of the county.
n 8 8 T. 16 N. u
o Groundwater flow direction within the White and West Fork White River Basin is northwest C
0 C County Road 600 N o 7 u toward Fall Creek, and generally to the south-southwest, toward Sugar Creek and the Big Blue
n 9
T. 17 N. t W
y 3 River, in the East Fork White River Basin.
0 3 T. 16 N. R 5 4 0 1 6 o 2
2 2 4 a
d
5 d 5 a 6 The county PSM can be used to define the regional groundwater flow path and to identify
3
o 2
4 3 1 0 R
0 1 6 k significant areas of groundwater recharge and discharge. County PSM’s represent overall unty Road 500 N y e Co E 2 t e
C
n r regional characteristics and are not intended to be a substitute for site-specific studies. u
C o o Maxwell u
n C e t oad 500 N n y County R i
R
w W o
y 7 a 10 0 F 9 d
W d 8 0 o 12 11
n 11 3 8
0 r 7 B 10 t 9 9 0
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5 i 7 r k a
l 0 l e
c o 11 E d 12 e B e 10 a 8 k 9 r
R
11 12 o P 8 C
C y i 8 R 0 West Fork t k 7 0 r n e e
y 8 00 N l u t County Road 4
e i o
White River n e Mowhawk u
k C m Basin o x
i C
S 8 Location Map 9
0 17 13 18 15 14 9 16 14 16 15 5 13 18 17 0 15 14 Mount 17 16 18 14 13 Comfort 8 1 0 County Road 300 N 70 23 ¨¦§ 21 23 22 24 19 20 19 23 24 22 21 22 20 20 21 24 19 23 County Road 200 N 940
County Road 200 N 70 W
¨¦§
0 0
1 30 26 26 25 28 27
d 27 29 a 29 930 o 25 30 28
26 R 27 k y e t e
28 n r 26 29 u 1 0.5 0 1 Mile 30 C C o e o C n 9 County Road 100 N i u 1 25 n 0 w t y y Charlottesville 9 d R 0 n o 33 34 35 0 a a 32 31 r 36 d 31
35
34 6 Cleveland 32 33 B 0 1 0.5 0 1 Kilometer e 36 l 0
35 t 0 34 t 92 33 i 32 E Cumberland 36 31 L 40 T. 16 N. 35 ¤£ Greenfield T. 15 N.
0 0 8 T. 16 N. 8 3 8 5 T. 15 N. 5 9 1 6 Philadelphia 0 4 2 0 40 6 8 ¤£ Spring 2 1 8 8 4 4 3 7 0 6 Gem 5 Lake 5 0 1 860 2 County Road 100 S
0 County Road 100 S C 9 o 7 u
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a 7 7 9 7 d 8 12 9
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C C Digital Elevation Model of Hancock County, Indiana o EXPLANATION
C
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u 4 o u k
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e 2 0
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o o feet above mean sea level e r C 16
17 a e C d 14 17 M o 14 a 950 18 d
a 13 d r 16 13 a r 18 o Potentiometric Contour e o 15 d 8 C 17 a r 7 o 18
0 R r
0 16 4
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e 13 y
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t i o 0 14 8 E e E n 1 w S 0 9 r E
u «¬ n
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Stream C County Road 300 S P C k i k o e e u e
n r t County Road y 87 C 0 20
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e 0 19 0 o n 9 a 24 19 21 3 i 23 20 21 22 d 9 7 «¬ State Road 8 86 w 0 23 5 19 21 22 24 0 B y i
W 0 n 20 d f
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a R 40 US Highway
6 d
r County Road 400 S ¤£ d
B a o New
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Interstate r 70 Palestine a y 8 850 ¨¦§ t 00 ir 28 n i u e o 29 28 B 26 25 30 Basin Boundary C 30 27 r 29 27 26 25 28 an c 25 29 h 840 26 30 52 ¤£ County Road 500 S Municipal Boundary r
C e v o i
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d 35 R 32 B County Road 550 S
i d Carrollton a o 34 36 g
a 33 i n 31 a Lake & River
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o T. 15 N. C T. 14N. No Aquifer Material or Limited Data T. 15 N. R. 7 E. R. 8 E. T. 14 N. R. 6 E. R. 7 E. Elevation (feet) R. 5 E. R. 6 E. 1056
555
Map Use and Disclaimer Statement This map was created from several existing shapefiles. Township and Range Lines of Indiana (line shapefile, 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621), and County Boundaries of Indiana (polygon shapefile, Potentiometric Surface Map of the We request that the following agency be acknowledged in products derived 20020621), were all from the Indiana Geological Survey and based on a 1:24,000 scale. Draft road shapefiles, System1 and Bedrock Aquifers of Hancock County, Indiana from this map: Indiana Department of Natural Resources, Division of Water. System2 (line shapefiles, 2003), were from the Indiana Department of Transportation and based on a 1:24,000 scale. Map generated by Joel D. Sanderson, Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was from the U.S. Census Bureau and based on a 1:100,000 by Indiana Department of Natural Resoucres, scale. Hydrography, Streams (NHD) (line shapefile, 20081218), Rivers (NHD) (polygon shapefile, 20081218), Lakes (NHD) Division of Water, Resource Assessment Section This map was compiled by staff of the Indiana Department of Natural (polygon shapefile, 20081218) was from the U.S. Geological Survey and the U.S. Environmental Protection Agency, and Robert K. Schmidt Resources, Division of Water using data believed to be reasonably accurate. Division of Water, Resource Assessment Section However, a degree of error is inherent in all maps. This product is distributed based on a 1:24,000 scale. Digital Elevation Model image is derived from the Indiana Ortho/LiDAR Statewide Collection “as is” without warranties of any kind, either expressed or implied. This map Program (2011). No Aquifer Material or Limited Data (polygon shapefile) was based on the Bedrock Aquifer Systems of is intended for use only at the published scale. Hancock County, Indiana (polygon shapefile, Grove, 2005). Potentiometric Surface Map of the Bedrock Aquifers of Hancock County, Indiana (line shapefiles, Schmidt, 2012) was based on a 1:24,000 scale. November 2012 Mitchell E. Daniels, Jr., Governor Department of Natural Resources Division of Water Kyle J. Hupfer, Director Aquifer Systems Map 20-A
R. 7 E. R. 8 E. R. 6 E. R. 7 E. age B
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S 10 11 R 7 8 9 2 R 10 11 12 3 S O Three unconsolidated aquifer systems have been mapped in Hancock County: the New 8 7 8 9 ats White River and Tributaries Outwash Aquifer Subsystem 11 12 Ru 9 10 n Castle Till; the White River and Tributaries Outwash Subsystem; and the New Castle Fortville Complex. All three systems comprise sediments deposited by, or resulting from, glaciers, C! glacial meltwaters, and post-glacial precipitation events. Boundaries of these aquifer In Hancock County, the White River and Tributaries Outwash Aquifer Subsystem is R. 5 E. R. 6 E. 30-02071-PS systems are commonly gradational and individual aquifers may extend across aquifer Nashville mapped in the southeast corner of the county primarily in the valley of the Big Blue C! system boundaries. However, a relatively distinct boundary occurs where the White 30-04374-MI River. This valley carried outwash from the melting glaciers during Wisconsin and pre-
B 15 14 River and Tributaries Outwash Subsystem abuts the relatively steep valley walls of the e 9 e 18 17 16 k 13 0 Wisconsin glacial periods. e 15 14 Geist e 16 1 Big Blue River. 17 Ca r 13 18 Reservoir m C 14 R p 15 C 18 17 16 S Few wells have been reported to utilize this aquifer system. Well depths typically range Cree o 14 13 ar k Outside of the valley of the Big Blue River, nearly the entire county has more than 100 Sug rn from 25 to 70 feet. Sand and gravel aquifer deposits within this system are generally 5 to R un feet of unconsolidated materials overlying the bedrock. Unconsolidated deposits are Fork 30 feet thick. In places, the sand and gravel is capped by a silt or clay 5 to 40 feet thick. th Ma Milners P especially thick in the eastern third of the county where the sediments are commonly r 36 rsh e Static water levels commonly range from flowing to 35 feet below the surface. In a few No ut e
Corner greater than 200 feet and in places (north of Cumberland) greater than 300 feet thick. an D areas, the bedrock is shallow and some drillers bypass the unconsolidated sediments and e 21 22 23 However, in the Big Blue River valley there are a few areas where the unconsolidated
d 24 19 20 e complete the wells in bedrock. It is likely that the overlying sands and gravels contribute 22 23 D eek 20 21 deposits are less than 50 feet in thickness. Most unconsolidated deposits contain some 24 Sugar Cr 19 it significantly to the well yield. This aquifer system has the potential to meet the needs of 22 23 T ch sand or gravel and only a few dry holes have been reported in Hancock County. All the 19 20 21 r domestic users. There are no registered significant water withdrawal facilities in 24 9 e 30-01046-PS e aquifer systems are typically capable of supplying domestic wells. The New Castle Till 23 30-01246-IR s Hancock County in this subsystem. R C! Aquifer System and the New Castle Complex Aquifer System are, in most places, ch C! S Eden 30-01108-IN an capable of producing high-capacity wells. There are areas in the New Castle Complex ry Br 4 D Areas within this aquifer system that have overlying clay or silt deposits are moderately C!D SR 23 it c where sand and gravel deposits are of sufficient thickness and extent to constitute major susceptible to surface contamination; whereas, areas that lack overlying clay or silt k h e 28 27 26 ground-water resources capable of supplying large municipal, industrial, and irrigation McCordsville e 25 30 29 deposits are highly susceptible to contamination. r 27 26 C 29 28 needs. 30-01897-IR 25 30 k 27 26 C! 29 c 28 Shirley 25 30 u Wilkinson 26 B Regional estimates of aquifer susceptibility to contamination from the surface can differ considerably from local reality. Variations within geologic environments can cause New Castle Complex Aquifer System variation in susceptibility to surface contamination. In addition, man-made structures
k such as poorly constructed water wells, unplugged or improperly abandoned wells, and e 34 35 e 31 32 33 r open excavations can provide contaminant pathways that bypass the naturally protective The New Castle Complex Aquifer System is mapped over most of Hancock County. 35 h 36 C 33 34 c clays. 31 32 n l e This system is characterized by unconsolidated deposits that are quite variable in 35 36 a i 33 34 r xm materials and thickness. The primary aquifers within the system are generally thick 31 32 B Si 35 36 T. 17 N. intratill sands and gravels. These aquifers are highly variable in depth and lateral extent T. 16 N. and are confined by variably thick clay or till sequences. Total thickness of Willow New Castle Till Aquifer System w unconsolidated deposits can be in excess of 300 feet. C! lo T. 17 N. il Branch 30-00857-IR 30-02658-IR 2 T. 16 N. W 5 4 3 Typical well depths range from 50 to 150 feet. Aquifer materials range from 3 to 89 feet C! 2 1 6 4 3 6 5 The New Castle Till Aquifer System is mapped primarily as isolated areas in the north- in thickness but are typically 5 to 40 feet thick. The overlying till cap is generally 40 to 2 1 4 3 western and eastern portion of the county. Due to the complex glacial history, the 100 feet thick, but may be greater than 175 feet thick in places. In many areas, the 1 6 5 2 boundaries between the systems are gradational and may include some small areas of aquifer materials are separated from shallow sand and gravel outwash deposits (not other aquifer systems. The New Castle Till Aquifer System is composed primarily of typically used as a resource) by till that commonly ranges from 20 to 60 feet thick. These Maxwell glacial tills that are separated by intratill sand and gravel aquifers of limited thickness and shallow deposits are typically 5 to 40 feet thick. Static water levels range from 10 to 70 extent. Unconsolidated deposits typically range in thickness from 80 feet to 150 feet. 11 feet below surface with some reports of flowing wells. 8 9 10 11 12 7 Potential aquifer materials include sands and gravels that typically range from 5 to 10 feet 9 10 12 7 8 thick. This system is capable of meeting the needs of domestic and most high-capacity users. 10 11 k 8 9 e Domestic well capacities are commonly 10 to 40 gpm. Nine registered significant water 11 12 7 e r This system is capable of meeting the needs of domestic and some high-capacity users. withdrawal facilities (23 wells) report pumping capacities that range from 80 gpm to C e Reported well depths in this system range from 30 to 240 feet, but are commonly 1000 gpm. Many of these facilities are located along Brandywine Creek near Greenfield. n Mohawk i w between 40 and 145 feet. Domestic well capacities are typically 10 to 15 gallons per
dy minute (gpm). Static water levels commonly range from 10 to 40 feet below surface with n 15 14 a 17 16 r 14 13 18 some reports of flowing wells. There are two registered significant water withdrawal 16 B 15 New Castle Complex Aquifer System (Higher Potential) 18 17 facilities (3 wells) that report well capacities ranging from 96 gpm to 250 gpm. 14 13 16 15 13 18 17 14 The New Castle Till Aquifer System has a low susceptibility to surface contamination 30-00490-PS Within the New Castle Complex Aquifer System several isolated areas have the because intertill sand and gravel units are generally overlain by thick low-permeability Mount 30-01247-IR C! C! glacial till. potential for greater yields. These areas are mapped primarily in or near a buried Comfort ¦¨§70 bedrock valley in the western half of Hancock County with unconsolidated 23 20 21 22 deposits typically greater than 150 feet and in places more than 300 feet thick. 23 24 19 21 22 The unconsolidated deposits generally have two or more thick sand and gravel 24 19 20 22 23 seams separated by till. Total thickness of aquifer materials ranges from 20 to 20 21 70 23 24 19 ¦¨§ more than 50 feet. The thickest sand and gravel seams commonly overlie the C! bedrock. Five registered significant water withdrawal facilities (9 wells) report pumping capacities that range from 200 gpm to 1100 gpm. 30-03825-PS 27 26 30 29 28 The New Castle Complex Aquifer System is not very susceptible to contamination where k 26 25 e 27 h 28 k overlain by thick clay deposits. However, in some areas where outwash is present at or e e c 29 r e 25 30 t k 26 i e r near the surface and clay deposits are thin, the system is at moderate to high risk. Cumberland C 28 27 e C 29 D 25 30 r e 26 il C
e m D s n x t i i k i c t u l B S w o l y y P d C n a r 34 35 r 32 e 33 B 36 31 e Charlottesville 35 k 33 e 34 31 32 tl 34 35 36 it 40 Cleveland 31 32 33 L ut T. 16 N. 35 36 30-00488-PS T. 15 N. Philadelphia Greenfield C! 30-03098-IR ! N T. 16 N. C a m T. 15 N. 40 1 6 5 4 ut 3 2 e 5 4 l 1 6 e 30-04228-PS 4 2 s 6 5 s Gem 2 1 C! C
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u S e New n i County Road w Palestine y 26 25 30 29 28 30 29 d 28 27 25 n 28 27 26 r k State Road & US Highway 30 29 a ve ree r i C 26 25 Pr ue R mile B ai Big B l ix rie S Interstate B r a n c h ut52 k Lake & River e re 34 35 36 31 32 33 C 31 32 33 34 r 35 36 31 32 33 ga 35 36 u L ittle S 1010.5 Mile Municipal Boundary Carrollton T. 15 N. T. 14N. T. 15 N. R. 7 E. R. 8 E. R. 6 E. R. 7 E. T. 14 N. R. 5 E. R. 6 E. 1010.5 Kilometer
Map Use and Disclaimer Statement This map was created from several existing shapefiles. Township and Range Lines of Indiana (line shapefile, 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621) and Unconsolidated Aquifer Systems of Hancock County, Indiana We request that the following agency be acknowledged in products derived County Boundaries of Indiana (polygon shapefile, 20020621), were from the Indiana Geological from this map: Indiana Department of Natural Resources, Division of Water. Survey and based on a 1:24,000 scale. Draft road shapefiles, System1 and System2 (line by Map generated by Jennifer K. Mc Millan and Joseph L. Phillips shapefiles, 2003), were from the Indiana Department of Transportation and based on a 1:24,000 IDNR, Division of Water, Resource Assessment Section This map was compiled by staff of the Indiana Department of Natural scale. Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was from the U.S. Census Glenn E. Grove Resources, Division of Water using data believed to be reasonably accurate. Bureau and based on a 1:100,000 scale. Streams27 (line shapefile, 20000420) was from the Division of Water, Resource Assessment Section However, a degree of error is inherent in all maps. This product is distributed Center for Advanced Applications in GIS at Purdue University. Managed Areas 96 (polygon “as is” without warranties of any kind, either expressed or implied. This map shapefile, various dates) was from IDNR. Unconsolidated Aquifer Systems coverage (Grove, is intended for use only at the published scale. 2005) was based on a 1:24,000 scale. November 2005 Mitchell E. Daniels, Jr., Governor Department of Natural Resources Division of Water Robert E. Carter Jr., Director Potentiometric Surface Map 18-A
POTENTIOMETRIC SURFACE MAP OF THE UNCONSOLIDATED AQUIFERS OF HANCOCK COUNTY, INDIANA
Hancock County, Indiana is located in the central portion of the state. The majority of the R. 7 E. R. 8 E. R. 6 E. R. 7 E. county is situated in the East Fork White River Basin, however, a relatively small area in the northwest section is located within the White and West Fork White River Basin.
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n r t The Potentiometric Surface Map (PSM) of the unconsolidated aquifers of Hancock County y 0 C 0 0 R 10 40 85 11 was mapped by contouring the elevations of 1745 static water-levels reported on well records 8 9 9 8 9 r 13 0 o N 7 12 2 a a «¬ 11 0 C 9 a 9 0 d 0 s 109 0 g 3 8 o received primarily over a 50 year period. These wells are completed in aquifers at various 8 10 h «¬ 7 8 4 0 u
0 u 5 v 12 9 8 i 9 6 11 0 n S 1 l l 9 depths, and typically, under confined conditions (bounded by impermeable layers above and 9 0 0 e t 9 R y 10 6
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Fortville R below the water bearing formation). However, some wells were completed under unconfined o
County Road 1000 N a (not bounded by impermeable layers) settings. The potentiometric surface is a measure of R. 5 E. R. 6 E. d
Nashville 0 5 1 the pressure on water in a water bearing formation. Water in an unconfined aquifer is at 9 1 0
0 atmospheric pressure and will not rise in a well above the top of the water bearing formation,
k 15 E 14 e 13 16 in contrast to water in a confined aquifer which is under hydrostatic pressure and will rise in 18 e 17 83 15 r 14 0 17 16 18 a well above the top of the water bearing formation. 0 16 C 0 13 0 ® 8 13 d 14 7 r R 8 a rd 18 15 g Milners 14 o 17 Static water-level measurements in individual wells used to construct county PSM’s are cC «¬9 u M 36 S Corner N d 0 indicative of the water-level at the time of well completion. The groundwater level within an orth ¤£ C 0 F R 0 0 ork ty Road 900 N o 9 Coun 0 1 n u aquifer constantly fluctuates in response to rainfall, evapotranspiration, groundwater
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Woodbury k o 20 may differ due to local or seasonal variations. Because fluctuations in groundwater are M
24 a e 23 19 22 d 0 20 e 19 2 r 24 typically small, static water-levels can be used to construct a generalized PSM. Groundwater 7 Warrington 8 20 0 C 23
21 22 21 0 flow is naturally from areas of recharge toward areas of discharge. As a general rule, but
19 k 24 East Fork E 23 c Eden certainly not always, groundwater flow approximates the overlying topography and intersects White River u «¬234 B the land surface at major streams. Basin ranch «¬234 Universal Transverse Mercator (UTM) coordinates for the water wells were either physically Dry B 26 29 28 27 obtained in the field, determined through address geocoding, or reported on water well 27 26 25 30 29 28 records; however, the location of the majority of the water well records used to make the 25 27 26 28 30 Shirley PSM were not field verified. Elevation data were obtained from a digital elevation model. McCordsville 30 29 Quality control/quality assurance procedures were utilized to refine or remove data where 26 25
h errors were readily apparent. c Wilkinson unty Road 700 N n 0
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r Unconsolidated static water levels in Hancock County range from a high of 1012 feet mean
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sea level (msl) in the northeastern section of the county, to a low of 740 feet msl in the 0 35 0 w 32 33 34 4 33 36 southwestern portion. Groundwater flow direction within the White and West Fork White 32 35 o 31 31 34 l d 36 l a 34 35 i River Basin is northwest toward Fall Creek, and generally to the south-southwest, toward 36 o 32 33
31 R Willow W
T. 17 N. Sugar Creek and the Big Blue River, in the East Fork White River Basin. y 35 t Branch
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o The county PSM can be used to define the regional groundwater flow path and to identify
C County Road 600 N significant areas of groundwater recharge and discharge. County PSM’s represent overall T. 17 N. regional characteristics and are not intended to be a substitute for site-specific studies. 4 3 T. 16 N. 1 6 5 2 3 2 5 4 6 0 0 3 2 1 7 3 6 5 4 k 9 8 e 2 1 e r County Road 500 N C 0 Maxwell 2 e 8 0 N n County Road 50 F i o w r t y v d
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Map Use and Disclaimer Statement This map was created from several existing shapefiles. Township and Range Lines of Indiana (line shapefile, 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621), and County Boundaries of Indiana (polygon shapefile, Potentiometric Surface Map of the We request that the following agency be acknowledged in products derived 20020621), were all from the Indiana Geological Survey and based on a 1:24,000 scale. Draft road shapefiles, System1 and Unconsolidated Aquifers of Hancock County, Indiana System2 (line shapefiles, 2003), were from the Indiana Department of Transportation and based on a 1:24,000 scale. Map generated by Joel D. Sanderson, from this map: Indiana Department of Natural Resources, Division of Water. Indiana Department of Natural Resoucres, Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was from the U.S. Census Bureau and based on a 1:100,000 by Division of Water, Resource Assessment Section This map was compiled by staff of the Indiana Department of Natural scale. Hydrography, Streams (NHD) (line shapefile, 20081218), Rivers (NHD) (polygon shapefile, 20081218), Lakes (NHD) Robert K. Schmidt Resources, Division of Water using data believed to be reasonably accurate. (polygon shapefile, 20081218) was from the U.S. Geological Survey and the U.S. Environmental Protection Agency , and Division of Water, Resource Assessment Section However, a degree of error is inherent in all maps. This product is distributed based on a 1:24,000 scale. Digital Elevation Model image is derived from the Indiana Ortho/LiDAR Statewide Collection “as is” without warranties of any kind, either expressed or implied. This map Program (2011). Potentiometric Surface Map of the Unconsolidated Aquifers of Hancock County, Indiana (line shapefiles, is intended for use only at the published scale. Schmidt, 2012) is based on a 1:24,000 scale. November 2012