Vanderburgh County, Indiana

Home , Shelburn Formation

e s U l a r u R s e c r u o s e R l a r u t a N f o t n e m t r a p e D a n a i d n I d n a y e v r u S l a c i g o l o e G . S . U : s e c r u o S a t a D

D G M 0 0 5 > 4 2 1 0

y t n u o C h g r u b r e d n a V

y l p p u S c i l b u

P ¸#

D G M 0 0 5 - 0 0 1

s e l i M

. c s i M ¸#

D G M 0 0 1 - 0 5

n i e s U d n

¸# a S " n o i t a g i r r I

y t i C D G M 0 5 - 0 1

y r t s u d n

I ¸#

D G M 0 1 <

y t n u o C

s e c r u o s e R r e t a W

g n i n i M / y g r e n

E ¸#

) D G M ( w o l F 2 Q 7 e t a t s r e t n I

E K A T N I L L E

¸# W

r e v i R

s e k a L r o j a M

n o i t a c o L l a w a r d h t i W

y t i n u m m o C r e s U S I G e h t d n a , o p o t s s i w s , P G I , N G I , d i r g o r e A , g n i p p a m t e G , X E A , S G S U , A D S U , d e b u c - i , e y E o e G , e b o l G l a t i g i D , i r s E : e c r u o S

¸# ¸#

O h o i R

v i

# r

¸# ¸

¨ ¦

§ ¸# I -

S " ¸#

h g r u b w e N

¸#¸#

¸#

S "

e l l i v s n a v E

1 ¨ ¦ §

- I

¸#

n P

¸# d o

¸# e

g h

S "

l l i H

V a n d e r b u r g

h ¸#

y d o l e M

W a r r i c k

S " S "

d n a l h g i

H ¸# r e l d n a h C ¸# ¸# ¸# ¸#¸#¸# ¸# ¸# ¸# ¸#¸#

¸# ¸#

¨ ¦ §

I - t d a t s m r a

1 D

6 4

¸#¸#

S "

d l e f r e b l E

¨ ¦ § ¨ ¦ §

h g r u b r e d

n a V

4 6 - I I - 6 4

S " n o s b i G ¨ ¦

§ W

i a

P I

- r

6 i

4 r o b e l l i v y e s o

i P

y n

S "

S " Mitchell E. Daniels, Jr., Governor Department of Natural Resources Division of Water Kyle J. Hupfer, Director Aquifer Systems Map 32-B

BEDROCK AQUIFER SYSTEMS OF VANDERBURGH COUNTY, INDIANA

R. 12 W. R. 11 W. R. 11 W. R. 10 W. R. 10 W. R. 9 W. 64

R 64 y

o Scott Rd e

19 d

20 m

21 a R 22

o d 23 24

B r g 19 R 20 t Sc e 21 hroede r Rd

l t n 22

t 23

x 24 o i

u The occurrence of bedrock aquifers depends on the original composition of the O B

r M

P l rocks and subsequent changes which influence the hydraulic properties. Post- Mann Rd d

Adler Rd S

t depositional processes, which promote jointing, fracturing, and solution activity B a t i e g of exposed bedrock, generally increase the hydraulic conductivity (permeability) R

S o R tacer Rd

of the upper portion of bedrock aquifer systems. Because permeability in many Nisbet t d 30 Nisbet Rd d 29 28 a places is greatest near the bedrock surface, bedrock units within the upper 100 27 t Stacer

d 26 s 25 30 Volkm R 29 an Rd m

r feet are commonly the most productive aquifers. l 27 26

h 25

e D a Bedrock aquifer systems in the county are overlain by unconsolidated deposits of B O 41 varying thickness in Vanderburgh County. The unconsolidated outwash aquifers S w R C e d d n r s d near the Ohio River have far greater ground-water potential than any of the R 6 R

R e v 5 r r e i l f

e e

k l f l i e

bedrock aquifers in the county. However, bedrock aquifers are widely used in r

e p 31 R o e 32 Schillinger R 33 m d d 164 Vanderburgh County because unconsolidated sediments throughout the rest of the 34 K

H n 35 36 31

e 32

l 33 county are relatively thin and unproductive. Most of the bedrock aquifers in the B l 34 35 arr a 36

county are under confined conditions. In other words, the potentiometric surface W (water level) in most wells completed in bedrock rises above the top of the water- T. 4 S. Martin Baseline Rd T. 5 S. C bearing zone. r d e R e p T. 4 S.

k d

d p

R T. 5 S.

The yield of a bedrock aquifer depends on its hydraulic characteristics and the T g

a r

6 R e

h 5 4 3 k R

c nature of the overlying deposits. Shale and glacial till act as aquitards, restricting b r 2

s c

e 1

e a 6 d 5 4 a P 3

recharge to underlying bedrock aquifers. However, fracturing and/or jointing may C n

k d

e M e 2 1

e R

occur in aquitards, which can increase recharge to the underlying aquifers. r M

C y

Hydraulic properties of the bedrock aquifers are highly variable. O S e ld ensmeier Rd t

e Bo d Inglefield Rd

m o R Schlensker n Armstrong Rd

v e il e

l t The susceptibility of bedrock aquifer systems to surface contamination is largely e R C d n Inglefield St. Wendel e dependent on the type and thickness of the overlying sediments. Because the u

B S 7 8 9 bedrock aquifer systems have complex fracturing systems, once a contaminant t 10 11 e 12 W t 7

d n 8 9 has been introduced into a bedrock aquifer system, it will be difficult to track and e 10 e R 11 n Emge Rd Darmstadt 12 d u remediate. e m l B m R d Hornby Rd o r R d

B g Two bedrock aquifer systems are identified for Vanderburgh County. They are, n i Daylight n

d w

from west to east and younger to older: McLeansboro Group of Pennsylvanian R

o r g

age and Carbondale Group of Pennsylvanian age. B n

18 17 o 15 14 13 16 18 17 Y 16 15 14 d 13 R

g Earle r Pennsylvanian -- McLeansboro Group Aquifer System d u

Motz Rd R k b

s e r r d e e e

R r t

f e

e b

C P i

c A The outcrop/subcrop area of the McLeansboro Group covers about 72 percent of

u h

e 19 20 21 p Vanderburgh County. Thickness of the McLeansboro ranges from 0 feet at its 22 23 e

s 24 N 19 o 21 J 22 d eastern contact with the underlying Carbondale Group to about 420 feet along the 20 23 t R 24

S n western county line near St. Wendel. This aquifer system consists in ascending e St. Joseph d d order of the Shelburn, Patoka, Bond, and Mattoon Formations. However, the Schenk Rd e H Mattoon Formation is not present in Vanderburgh County. Kansas Rd McCutchanville Formations within the McLeansboro Group consist primarily of shale and d Kuebler Rd Rd R Slate

30 29 u 28 27 26 sandstone with minor amounts of siltstone, limestone, clay, and coal. Several e 25 30 N 29 sandstone units are widely utilized as aquifers in the county. The Shelburn 28 Plainview Dr 27 26 Formation contains the Busseron Sandstone Member at or near its base. The 25 sandstone is typically gray to tan in color, fine to medium-grained, and massive. No. 6 School Rd Mohr Rd Kleitz Rd M It is interbedded in places with gray shale. In much of the area where the ei er k Busseron Sandstone is present, it lies at least 200 feet below land surface, yet is Rd e d e

d r

R L

C d commonly used in places where shallower sandstone units are absent or r

L i n

e a t 31 32 u R 33 L 34 b t z 35 s l m 36 c l unproductive. Overlying the Shelburn Formation is the Patoka Formation, which l n t 32 h 31 e k

e e i

e s r

r N R n 34 i u d 33 H

H 36 contains the Inglefield Sandstone Member, its chief water-bearing unit, near its K 35 e c d

r w k

o a e base. The Inglefield Sandstone is gray to white in color, fine-grained, and thin to H e a L O T. 5 S. r H

thick bedded. In the northwestern part of the county, this sandstone aquifer is m Wimberg Rd o P

T. 6 S. n

y i g Heckel Rd

more than 100 feet below the surface. Toward the east and south, the Inglefield k T. 5 S.

R e S e R o

d re Sandstone becomes progressively shallower (less than 10 feet below surface in D 6 n T. 6 S. en C 6 places). Except where downcutting streams have removed it by erosion, the ze r R 6 5 4 3 Inglefield Sandstone is present in the outcrop/subcrop area of the McLeansboro d 2 1 6 5 4 3 Olmstead Rd Kasson Dr 2 6 Group in Vanderburgh County and is relied upon for domestic water production 1

regardless of its depth. The Bond Formation, which is only present in the uplands C r

along the western county line, contains the St. Wendel Sandstone Member. e e

k Bergdolt Although this medium-grained, massive sandstone is quite shallow and nearly h Rd Hirsch Rd

c e r 70 feet thick in places, few wells are completed in the St. Wendel Sandstone. tl u it h Marx Rd L C Rather, it is commonly bypassed in favor of the Inglefield Sandstone. 7 8 9 Kasson 10 11 12 7 8 The depth to the bedrock surface in the McLeansboro Group is generally less than 9 10 11 12 7 30 feet in Vanderburgh County. Wells range in depth from 20 to 385 feet, but are Five Dollar Rd C a P typically 75 to 180 feet deep. The amount of rock penetrated commonly ranges r d ig p e R o Telephone Rd from 55 to 160 feet. Static water levels in wells developed in this aquifer system e

l n n

s t

range from 1 to 185 feet below land surface, but are generally between 30 and 90 s i e

r r feet below the surface. Domestic wells typically produce between 4 and 15 18 o 17 16 15 164

K 14 13 C gallons per minute (gpm). A few (pumped) dry holes have been reported. The 18 17 r 16 15 e 14 13 McLeansboro Group Aquifer System in Vanderburgh County is an important e 18 ground-water source with most wells producing from the Inglefield Sandstone. k Creek

Most of the McLeansboro Group Aquifer System contains fine-grained materials SR 62 Oak Grove Rd that limit the movement of ground water. However, in some areas alluvial and 19 20 lacustrine materials directly overlie the bedrock surface. Therefore, the aquifer 21 22 23 24 system is considered low to moderate risk to contamination. 19 20 21 22 23 24 19

Pennsylvanian -- Carbondale Group Aquifer System f f SR 66 o 25

c Evansville i 30 E 29 62 28 27 The outcrop/subcrop of the Carbondale Group in Vanderburgh County occurs SR 26 30 29 only in bedrock valleys in the eastern and southern parts of the county. The group 28 27 26 25 30 consists in ascending order of the Linton, Petersburg, and Dugger Formations. R. 11 W. R. 10 W.

The Carbondale Group consists mostly of shales and sandstones with some d

limestone and commercially important coals. Thickness of the Carbondale Group t

in Vanderburgh County ranges from about 350 feet in the deepest parts of the h

c Ohio River Valley, where much of the Dugger Formation has been eroded, to S about 450 feet. 31 32 33 34 35 31 32 33 34 Covert Ave 35 36 31 The depth to the bedrock surface in this aquifer system is typically 25 to 95 feet. Well depths range from about 40 to 290 feet, but are generally completed at T. 6 S. Strueh Hendricks Rd T. 6 S. T. 6 S. 41 depths of 100 to 190 feet and commonly penetrate 40 to 130 feet of bedrock. The T. 7 S. T. 7 S. Pollack Ave T. 7 S. T. 6 S. Carbondale Group is considered a minor ground-water source with domestic wells T. 7 S. typically producing 2 to 10 gpm. Static water levels in the wells vary from 2 to Broadway Ave 2 6 d Angel Mounds

R 6 5 d 4 3

160 feet below the land surface, but are generally between 20 and 50 feet below r R

5 e State Historic t 4 3 k 6

the surface. 2 1 c a Site e

a 164 B

e l eek

r &

P C Commonly, water is produced from the thicker sandstone and coal units in the e gl n d B Ea e

a R y L upper formations of the Carbondale Group. Localized yields are greater in areas ou d e

C R

re where outwash and alluvial sands and gravels directly overlie bedrock. A few e y k h

R L 7 d c er (pumped) dry holes have been reported. However, one discontinued coal mine Schissler Rd a v 7 8 b i F 8 9 n R

r d

dewatering well near the Warrick County line was completed in a deeper e a k 9 R 10 11 n e 12 e W k sandstone near the base of the Linton Formation. This well had a reported yield r n

l o i O

C s n

r ld of 200 gpm. The natural quality of well water degrades and the water gets

e R R i Eisterhold Rd d v d e progressively more mineralized as wells are drilled deeper than about 300 feet. n r R R. 10 W. R. 9 W.

u e o d y H o a i d 16 h B l 13 O In areas where overlying clay materials are present, the Carbondale Group O Aquifer System is at low risk to contamination. However, in some areas outwash, 18 17 16 Cypress 15 alluvial, and lacustrine materials directly overlie the bedrock surface. These areas 15 14 are at moderate to high risk from surface contamination. Cypress Dale Rd

O 19 d h R r R io Underground Mine Areas oth R ne o River d es hi Du O 20 21 22 Vaughan 23 In about 2 percent of the county various coal seams within the Carbondale Group R R. 12 W. R. 11 W. iv have been removed by underground mining methods. In underground mines, er approximately 50 percent of the coal seam was typically removed, leaving the 24

R potential for storage of substantial amounts of water in the larger mines.

Although the Division has no records of wells drilled into these mines, yields of a m

r few hundred gpm are possible. A limitation on use of the water could be its more e Location Map 29 28 m 27 26 m

mineralized nature. i 25 Z

Kings R 32 d 33 34 35 36 Rahm F r T. 7 S. e n T. 8 S. c T. 7 S. h m T. 8 S.

a d

EXPLANATION n

y s r

a 5 a n 4 1 i Small Underground Mine 3 m 2

S w

e lo e (Abandoned) S u N g h County Road Hickory Ridge Rd State Road & US Highway 12

Interstate R 1 0.5 0 1 Mile 7

e 8 9 p 10 11 Stream p

H Lake & River Long Rd

14 1 0.5 0 1 Kilometer Municipal Boundary 17 16 15

State Managed Property

Map Use and Disclaimer Statement This map was created from several existing shapefiles. Underground Coal Mines in Southwestern Indiana (polygon shapefile, 20001002), Township and Range Lines of Indiana (line shapefile, Bedrock Aquifer Systems of Vanderburgh County, Indiana We request that the following agency be acknowledged in products derived 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621), and County Boundaries of from this map: Indiana Department of Natural Resources, Division of Water. Indiana (polygon shapefile, 20050621) were all from the Indiana Geological Survey and based on a by Map generated by Joseph L. Phillips and Jennifer K. McMillan 1:24,000 scale, except the Bedrock Geology of Southwestern Indiana (polygon shapefile, 20001124), Gregory P. Schrader IDNR, Division of Water, Resource Assessment Section This map was compiled by staff of the Indiana Department of Natural which was at a 1:500,000 scale. Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was Division of Water, Resource Assessment Section Resources, Division of Water using data believed to be reasonably accurate. from the U.S. Census Bureau and based on a 1:100,000 scale. Streams27 (line shapefile, 20000420) However, a degree of error is inherent in all maps. This product is distributed was from the Center for Advanced Applications in GIS at Purdue University. Draft road shapefiles, “as is” without warranties of any kind, either expressed or implied. This map System1 and System2 (line shapefiles, 2003), were from the Indiana Department of Transportation October 2006 is intended for use only at the published scale. and based on a 1:24,000 scales. Mitchell E. Daniels, Jr., Governor Department of Natural Resources Division of Water Kyle J. Hupfer, Director Aquifer Systems Map 32-A

UNCONSOLIDATED AQUIFER SYSTEMS OF VANDERBURGH COUNTY, INDIANA

R. 12 W. R. 11 W. R. 11 W. R. 10 W. R. 10 W. R. 9 W. 64

R 64 y

o Scott Rd e

19 d

20 m

21 a R 22

o d 23 24

B r g 19

R 20 t Sc e 21 hroede r Rd l

t n 22

t 23

x 24 o i

u Five unconsolidated aquifer systems have been mapped in Vanderburgh County: O

r M

P l the Dissected Till and Residuum; the Unglaciated Southern Hills and Lowlands; Mann R d d Adler Rd S

t the Alluvial, Lacustrine, and Backwater Deposits; the Ohio River Outwash; and B a t i e g the Ohio River Outwash Subsystem. Boundaries of these aquifer systems are R

St o R acer Rd

commonly gradational and individual aquifers may extend across aquifer system Nisbet t d 30 Nisbet Rd d 29 28 a boundaries. 27 t Stacer

d 26 s 25 30 Volkm R 29 an Rd m 28

r l 27 26

h 25

e Thickness, type, and areal extent of unconsolidated sediments in Vanderburgh D

a County are quite variable. Throughout much of the county, sediments overlying B O 41 bedrock are less than 50 feet thick. Unconsolidated sediments are thickest in the S w R C e d d n r s d floodplain of the Ohio River, where the combined thickness of outwash, alluvial, R 6 R

R e v

r 5 r e i l f

e e

k l f and lacustrine deposits exceeds 150 feet in places. l i e

e p 31 R o e 32 Schillinger R 33 m d d 164 34 K

H n 35 36 31

e 32

l 33 Regional estimates of aquifer susceptibility to contamination from the surface can B l 34 35 arr a 36

differ considerably from local reality. Variations within geologic environments W can cause variation in susceptibility to surface contamination. In addition, man- T. 4 S. Martin Baseline Rd T. 5 S. C made structures such as poorly constructed water wells, unplugged or improperly r d e R e p T. 4 S.

k d

abandoned wells, and open excavations can provide contaminant pathways that d p

R T. 5 S.

bypass the naturally protective clays. n

T g

d 5

a r

6 R e

h 5 4 3 k R

c b r 2

s c

e 1

e a 6 d 5 4 a

3 C n

k d

e M e 2 1

e R Dissected Till and Residuum Aquifer System / B

r M

C y

Unglaciated Southern Hills and Lowlands Aquifer System O S e ld ensmeier Rd t

e Bo d Inglefield Rd

m o R Schlensk n Armstrong er Rd

v e il e

l t e R C d n Inglefield In Vanderburgh County, the Dissected Till and Residuum Aquifer System and the St. Wendel e

B Unglaciated Southern Hills and Lowlands Aquifer System are mapped as one S 7 8 9 t 10 11 e 12 W t 7

d n 8 9 aquifer system because they are similar in composition and in aquifer e 10 e R 11 n Emge Rd Darmstadt 12 d u characteristics. These systems predominantly consist of thin, eroded bedrock e m l B m R d Hornby Rd

r R residuum and (in the glaciated area in the northwest) pre-Wisconsin tills. In many d

B g n parts of the county, these deposits are capped with lacustrine silt and clay and i Daylight n

d w

Wisconsin loess. Together, the Dissected Till and Residuum Aquifer System and o r

B n

the Unglaciated Southern Hills and Lowlands Aquifer System cover about 57 u

18 17 o 15 14 13 percent of Vanderburgh County. Total thickness of these aquifer systems 16 18 17 Y 16 15 14 d 13 generally ranges from about 15 to 40 feet. R

g Earle r d u

Motz Rd R k b

s e r There is little potential for water production in these aquifer systems in r d e e e

R r t

f e

e b

Vanderburgh County. Nearly all wells penetrating these unconsolidated aquifer e

C P i

v e

c systems in the county are developed in the underlying bedrock. However, in A

u h

places large-diameter bored (bucket-rig) wells may be successful in meeting the e 19 20 21 p 22 23 e 24 N s 19 needs of some domestic users. The Dissected Till and Residuum Aquifer System o 21 J 22 d 20 23 24 t R

and the Unglaciated Southern Hills and Lowlands Aquifer System are not very S n e St. Joseph d susceptible to contamination from surface sources because the near-surface d Schenk Rd e materials generally have low permeability. H Kansas Rd McCutchanville

d Kuebler Rd Slate Rd R

30 29 u 28 27 26 e 25 Alluvial, Lacustrine, and Backwater Deposits Aquifer System 30 N 29 28 Plainview Dr 27 26 25

No. 6 School Rd In Vanderburgh County this system is mapped extensively along several Mohr Rd Kleitz Rd M ei tributaries of the Ohio and Wabash Rivers. The Alluvial, Lacustrine, and er k Rd e d e

Backwater Deposits Aquifer System consists of deposits that come from two d r

R L

C d

L i n

e primary sources. The first is alluvium deposited by streams along with colluvium e a t 31 32 u R 33 L 34 b t z 35 s l m 36 c l

l n t 32 h 31 e k

e e i

eroded from valley walls and upland areas. The second is from pre-Wisconsin e s r

r N R n 34 i u d 33 H

H 36 K 35 e c d

r and Wisconsin fine-grained glaciolacustrine deposits formed in relatively stagnant w k o a e

H e lake water. Typical materials include fine sand, silt, and clay deposits that are a L O T. 5 S. r H

m Wimberg Rd generally greater than 25 feet thick. o P

T. 6 S. n

y i g Heckel Rd

k T. 5 S.

R e S e R o

d re D 6 n T. 6 S. This system is a limited resource and few wells produce from these deposits in en C 6 ze Vanderburgh County. Because this aquifer system is generally not very r R 6 5 4 3 d 2 1 6 5 productive, wells are typically completed in the underlying bedrock. However, a 4 3 Olmstead Rd Kasson Dr 2 6 few wells are adequate to meet the needs of some domestic users. Total well 1

depths range from 25 to 105 feet with static water levels 15 to 40 feet below C r

d e

surface. Yields are generally less than 6 gallons per minute (gpm). e R

k Bergdolt h Rd Hirsch Rd

c e r tl u Thick deposits of silt and clay that have a low susceptibility to surface it h Marx Rd L C contamination generally mark this aquifer system. The susceptibility is greater in 7 8 9 Kasson 10 11 12 areas where the surficial silt and clay deposits are thin and directly overlie sand 7 8 9 10 11 deposits. 12 7

Five Dollar Rd C a P r d ig p e R o Telephone Rd e

l n n Ohio River Outwash Aquifer System e s t

s i e

e 18 r r o 17 16 15 14 164 K 13 C 18 17 r 16 15 14 This aquifer system is mapped along the main valley of the Ohio River in e 13 e 18 Vanderburgh County. Aggradation of the pre-glacial Ohio River Valley with k Creek large amounts of outwash sand and gravel from pre-Wisconsin and Wisconsin receding glaciers partially filled the river valley. Recent alluviation continues to SR 62 Oak Grove Rd fill the valley. These outwash and alluvial deposits form the most prolific aquifer 19 20 system in the county. 21 22 23 24 19 20 In places, the Ohio River Outwash Aquifer System exceeds 150 feet in thickness 21 22 23 24 19 with nearly 100 feet of continuous sand and gravel. Wells completed in this

system range from 30 to 130 feet deep, but are commonly 45 to 85 feet deep and 82-03719-IN

typically penetrate 20 to 65 feet of saturated aquifer materials. In many places a o 25 SR 66

k 82-02585-IR layer of sandy clay or silt, commonly less than 25 feet thick, overlies the sand and c Evansville

i gravel. The Ohio River Outwash Aquifer System has the potential to meet the 30 E 29 62 28 27 82-03991-IR SR 26 needs of domestic and high-capacity users. Reported capacities range from 200 to 30 29 28 27 26 25 900 gpm for wells associated with active significant ground-water withdrawal 30 facilities using this system in Vanderburgh County. However, large-diameter R. 11 W. R. 10 W.

wells tapping this aquifer system have been tested at rates up to 2000 gpm. R

t t

This aquifer system is highly susceptible to contamination from surface sources in c

S areas that lack overlying clay layers. However, this system is moderately 31 32 33 34 35 susceptible to surface contamination where aquifer materials are capped by thick 31 32 33 34 Covert Ave layers of clay or silt. 35 36 31

T. 6 S. Strueh Hendricks Rd T. 6 S. T. 6 S. 41 T. 7 S. T. 7 S. Pollack Ave T. 7 S. T. 6 S. Ohio River Outwash Aquifer Subsystem T. 7 S. Broadway Ave 2 6

d Angel Mounds

6 5 d 4 3 R

r R State Historic

5 e t 4 3 k 6 In Vanderburgh County, this system is mapped parallel to the Ohio River n 2 1 c a Site

a Outwash Aquifer System. In general, the Ohio River Outwash Aquifer 164 B

e l eek

r &

P C Subsystem is mapped where the topographic position is higher and thickness of e l n

d g B Ea e a R saturated outwash materials is considerably less than that of the main outwash L y

o d u e l

C R

r system. Individual sand and gravel aquifer units are generally overlain by greater ee y k h R L 7 d c er thicknesses of silt and clay. Schissler Rd a v 7 8 b i F 8 9 n R

r d

e a k 9 R 10 11 n e 12 e W k There are few reported wells utilizing the Ohio River Outwash Aquifer r n

l o i O

C s n

Subsystem in Vanderburgh County. However, information from these wells and r ld

e R R i

Eisterhold Rd d v d e from wells in nearby counties suggests that in Vanderburgh County this n r R R. 10 W. R. 9 W.

u e o d y H o subsystem has the potential to meet the needs of domestic and some high-capacity a i d 16 h B l

users. Total depth of wells in this system ranges from about 40 to 130 feet and 13 O O saturated aquifer materials are commonly 10 to 30 feet thick. Although there are 18 17 16 Cypress 15 no registered significant ground-water withdrawal facilities utilizing this system, 15 14 two wells have reported test rates greater than 200 gpm. Cypress Dale Rd

Areas within this aquifer system that have overlying clay or silt deposits are O moderately susceptible to surface contamination; whereas, areas that lack 19 d h R r R io oth R ne overlying clay or silt deposits are highly susceptible to contamination. o River d es hi Du O 20 21 22 Vaughan 82-01693-IR 23 82-02572-IR R R. 12 W. R. 11 W. iv er 82-00870-IR 24

m r 82-02717-IR e Location Map

29 28 m 27 26 m

i 25

Kings R 32 d 33 34 35 36 Rahm F r T. 7 S. e n T. 8 S. c T. 7 S. h m T. 8 S.

a d

EXPLANATION n

y s r

a 5 a n 4 1 i Registered Significant Ground- 3 m 2 m

S w

e lo e S

Water Withdrawal Facility u N g h County Road Hickory Ridge Rd State Road & US Highway 12

Interstate R 1 0.5 0 1 Mile 7

e 8 9 p 10 11 Stream p

H Lake & River Long Rd

14 1 0.5 0 1 Kilometer Municipal Boundary 17 16 15

State Managed Property

Map Use and Disclaimer Statement This map was created from several existing shapefiles. Township and Range Lines of Indiana Unconsolidated Aquifer Systems of Vanderburgh County, Indiana We request that the following agency be acknowledged in products derived (line shapefile, 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621), from this map: Indiana Department of Natural Resources, Division of Water. and County Boundaries of Indiana (polygon shapefile, 20020621), were all from the Indiana by Map generated by Joseph L. Phillips and Jennifer K. McMillan Geological Survey and based on a 1:24,000 scale. Draft road shapefiles, System1 and System2 Gregory P. Schrader IDNR, Division of Water, Resource Assessment Section (line shapefiles, 2003), were from the Indiana Department of Transportation and based on a 1:24,000 This map was compiled by staff of the Indiana Department of Natural Division of Water, Resource Assessment Section Resources, Division of Water using data believed to be reasonably accurate. scale. Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was from the U.S. Census However, a degree of error is inherent in all maps. This product is distributed Bureau and based on a 1:100,000 scale. Streams27 (line shapefile, 20000420) was from the Center “as is” without warranties of any kind, either expressed or implied. This map for Advanced Applications in GIS at Purdue University. Unconsolidated aquifer systems coverage October 2006 is intended for use only at the published scale. (Schrader, 2006) was based on a 1:24,000 scale.