R. 12 W. R. 11 W.

T. 4 S.T. 5 S.

T. 6 S.T. 7 S.

T. 5 S.T. 6 S.

R. 11 W. R. 10 W.R. 10 W. R. 9 W.

MelodyHill

Highland

Darmstadt

Evansville

64

66

66

64

69

41

65

66

57

62

Allens Rd

Clarke Ln

Koressel Rd

Christ Rd

Armstrong Rd

Baehl Rd

Barton Rd

Bixler Rd

Barker Ave

Princ eto n Rd

Bell ConservationLake

William Hamilton

Lake

Mater Dei Provincial

Lake

Blue

grass

Neu Cree

k

Big Creek

Little Pigeon Creek

Barr Creek

Locu

st

Creek

1316

24

14

25

7

6

6

29

7

17 15

31

15

19

16

8

25

2

23

30

14

20

32 36

1210

15

35

30

19

18

31

11

26

24

17

30

31

19

10

18

23

14

13

21

10

16

26

1517

12

21

27

29

16

21

32

16

23

28

22

24

1315

28

22

28

20

3335

28

12

29

26

1616

2527

32

10

19

29 26

29

35

34

34

36

14

25

1714

30

23

34 35

10

13 1717

33

26

33

1922

12

23

31

24

27

10

27

23

25

26

21

20

14

35

34

32

33

2022

36

25

20

22

12

23

32

21

11

15

21

33

36

3235

34

34

24

2927

34

28

2421

35

24

36

20

29

11

33

28

22

25

28

13

11

27 26

11

11

1

31

19

18

30

18

18

19

19

30

31

30

18

31

7

6

9

6

3

5

9

2

8

5

8

1

5

8

4

34

9

43

98

34

9

9

9

3

2

2

8

5

1

2

1

1 4

5

1

8

22

3

45

6

6

7

6

7

7

6

7

6

6962

Ohio River

41

R. 10 W. R. 9 W.

R. 11 W. R. 10 W.

R. 12 W. R. 11 W.

T. 4 S.T. 5 S.

T. 6 S.T. 7 S.

T. 5 S.T. 6 S.

T. 7 S.T. 8 S.

T. 7 S.T. 8 S.

Rahm

Earle

Martin

Kasson

Nisbet

Staser

Cypress

Belknap

Daylight

Hillsdale

ArmstrongInglefield

St. Joseph

M a nn RdPruitt Rd Sc hro ed er Rd

V o lkm a n Rd

Korff RdSc hillinger Rd

Petersburg

Buente Rd

Bender Rd

Green River Rd

Seib Rd

Ka nsas Rd

M illersburg Rd

M a rx Rd

St Joseph Ave

Old Henderso nRd

King RdHappe Rd

Newman Rd

Hic ko ry Rid ge Rd

Seminary Rd

Lo ng Rd

Old Hend erso n Rd

Stringto wn Rd

1st AveM ill Rd

Baumgart Rd

Lync h Rd

Pigeon

Creek

Creek

Little

22

Goose Pond Ditch

Firlick Creek

Carpentier Creek

Buente

Creek

Creek

Bayou Creek

Pond Flat Ditch

62

T. 6 S.T. 7 S.

T. 6 S.T. 7 S.

Ohio

River

Ohio River

Linc o ln Ave

Washingto n Ave

Po lla c k Ave

Weinbach Ave

V ann Ave

Wa terwo rks Rd

62

V irginia St

Hec kel Rd

65

18

69

69

Rd

57

Ohio

River

430

410400

370

400

390

350380

410

450440

430

450

440

430

420

400 440

470

440

430

450

430

460

390370

360

340

380

340

450440

430

450

420

410

440

460450

430

350

340

360

370

410

420

410

390450

440

430

440

420

400

420

420

400

420

420410

350

370 350

450

460

440450

440

430

400

340

420

310

470

480

450

440

460

370

360

350

390

410

400

420

400

410

360

330

320

470

430

400

380

390380

470

400

390480

410 400380

400420

390

320

310

410 410420

410

400

Cypress

Lower Wabash

River Basin Ohio

River Basin

LowerWabash

RiverBasin

Ohio River Basin

Rd

Lloyd Hahn

Lake

KahrLake

Edgewater Lake

450

Da le

15

4

Pigeo

nCr

eek

32 33

Angel Mounds StateHistoric Site

41

36

20

440

St. Wendel

St Joseph Ave

27

53

107

Vaughan

M a p generated by Glenn E. Gro veIDNR, Divisio n o f Water, Resourc e Assessm ent Sectio n

Map Use and Disclaimer StatementWe request that the fo llo wing a genc y b e a c kno wled ged in pro d ucts d erived fro m this m ap: Ind ia na Departm ent o f Natura l Reso urc es, Divisio n o f Water.This m ap was c o m piled by sta ff o f the Ind ia na Departm ent o f Natura l Resourc es, Divisio n o f Water using d ata b elieved to be reaso na b ly a c curate. Ho wever, a d egree o f error is inherent in a ll m aps. This pro d uct is d istributed “as is” witho ut warra nties o f a ny kind , either expressed o r im plied . This m ap is intend ed fo r use o nly at the published sc a le.

Divisio n o f Water Potentio m etric Surfa c e M ap 70-B

Eric J. Ho lc o m b, Go vernorDepartm ent o f Natura l Resourc esCa m ero n F. Clark, Director

POTENTIOM ETRIC SU RFACE M AP OF THE BEDROCKAQU IFERS OF V ANDERBU RGH COU NTY, INDIANA

1 0 10.5 M ile

1 0 10.5 Kilo m eter

This m ap has b een created fro m severa l existing shapefiles. To wnship a nd Ra nge Lines o f Ind ia na (line shapefile, 20020621), La nd SurveyLines o f Ind ia na (po lygo n shapefile, 20020621), a nd County Bound aries o f Ind ia na (po lygo n shapefile, 20020621) are fro m the Ind ia naGeo lo gic a l Survey a nd b ased o n a 1:24,000 sc a le. Ro a d s (TIGER a nd INDOT) (line shapefile, 2005) is fro m the Ind ia na Departm ent o fTra nsportatio n a nd b a sed o n a 1:24,000 sc a le. System 1 (line shapefile, 2003) is fro m the Ind ia na Departm ent o f Tra nspo rtatio n a nd b ased o na 1:24,000 sc a le. Inc o rporated Bound aries in Ind ia na (po lygo n shapefile, 20060501) is fro m the Graphics a nd Engineering Sectio n Ind ia naDepartm ent o f Tra nsportatio n. Hydro graphy, Strea m s (NHD) (line shapefile, 20081218), Rivers (NHD) (po lygo n shapefile, 20081218),a nd La kes (NHD) (po lygo n shapefile, 20081218) are fro m the U .S. Geo lo gic a l Survey a nd the U .S. Enviro nm enta l Pro tectio n Agenc y, a ndb a sed o n a 1:24,000 sc a le. Basin b o und aries are m o d ified fro m the Watershed Bound ary Dataset (po lygo n shapefile, 2008) fro m the Natura lResourc e Co nservatio n Servic e. M a na ged La nd s IDNR IN (po lygo n shapefile, 20100920) is fro m the Ind ia na Departm ent o f Natura lResourc es a nd b ased o n a 1:24,000 sc a le. Digita l Elevatio n M o d el im a ge is d erived fro m the Ind ia na Ortho /LiDAR Statewid e Co llectio nPro gra m (2013). V a nd erburgh County Bedro c k No Aquifer M ateria l or Lim ited Data (po lygo n shapefile, Gro ve, 2017), a nd Po tentio m etricSurfa c e M ap o f the Bedro c k Aquifers o f V a nd erburgh County, Ind ia na (line shapefile, Gro ve, 2017) are b ased o n a 1:24,000 sc a le.

Digital Elevation Map of Vanderburgh County, Indiana

Elevation (feet)609

345

EXPLANATION

No Aquifer M ateria lor Lim ited Data

County Ro a d

Basin Bound ary

Strea m

Line o f equa l elevatio n, infeet a b o ve m ea n sea levelPotentio m etric Co nto urinterva l 10 feet

360

State Ro a d66

U S Highwa y41

69 Interstate

M unic ipa l Bo und ary

State M a na ged Pro perty

La ke & River

Potentiometric Surface Map of the Bedrock Aquifersof Vanderburgh County, Indiana

b yGlenn E. Gro ve

Divisio n o f Water, Resourc e Assessm ent Sectio n

Octo b er 2017

Location Map

V a nd erburgh County is lo c ated in southwest Ind ia na, a nd is b o und ed by the c o unties o fPosey, Gibso n a nd Warric k to the west, north a nd east, respectively. The state o fKentuc ky b o rd ers the c o unty to the south. The m a jo rity o f the c o unty lies within theOhio River Basin, while the no rth-c entra l, northwest a nd west-c entra l po rtio ns o f thec o unty are situated within the Lo wer Wa b ash River Basin.The Potentio m etric Surfa c e M ap (PSM ) o f the b ed ro c k aquifers o f V a nd erburgh Co untywas m apped by c o ntouring the elevatio ns o f 630 static water-levels repo rted o n wellrec o rd s rec eived prim arily o ver a 50 year perio d . These wells are c o m pleted in aquifersat vario us d epths, a nd typic a lly, und er c o nfined c o nd itio ns (b o und ed by im perm ea b lela yers a b o ve a nd b elo w the water bearing fo rm atio n). Ho wever, so m e wells werec o m pleted und er unc o nfined (no t b o und ed by im perm ea b le la yers) settings. The potentio m etric surfa c e is a m easure o f the pressure o n water in a water bearingfo rm atio n. Water in a n unc o nfined aquifer is at atm o spheric pressure a nd will no t rise ina well a b o ve the top o f the aquifer, in c o ntrast to ground water in a c o nfined aquifer whic his und er hydrostatic pressure a nd will rise in a well a b o ve the to p o f the water bearingfo rm atio n.Static water-level m easurem ents in ind ivid ua l wells used to c o nstruct c o unty PSM ’s areind ic ative o f the water-level at the tim e o f well c o m pletio n. The gro und water levelwithin a n aquifer c o nsta ntly fluctuates in respo nse to ra infa ll, evapo tra nspiratio n,ground water m o vem ent a nd pum pa ge. Therefo re, m easured static water-levels in a n aream a y d iffer due to lo c a l or seaso na l variatio ns. Bec ause fluctuatio ns in gro und water aretypic a lly sm a ll, static water-levels c a n b e used to c o nstruct a genera lized PSM . As agenera l rule, but c erta inly no t a lwa ys, ground water flo w appro xim ates the o verlyingtopo graphy a nd intersects the la nd surfa c e at m a jo r strea m s.U niversa l Tra nsverse M erc ator (U TM ) c o o rd inates fo r the water wells were eitherphysic a lly o bta ined in the field , d eterm ined through a d d ress geo c o d ing, o r repo rted o nwater well rec o rds. The lo c atio n o f the m a jo rity o f the water well rec o rds used to m a kethe PSM were field verified . Elevatio n d ata were o bta ined fro m a d igita l elevatio nm o d el. Qua lity c o ntro l/qua lity assura nc e pro c ed ures were utilized to refine o r rem o ved a ta where errors were rea d ily apparent.Potentio m etric surfa c e elevatio ns ra nge fro m a high o f 490 feet m ea n sea level (msl) inthe no rtheastern portio n o f the c o unty, to a lo w o f 310 feet msl in the so uthwest part o fthe c o unty. Regio na l ground water flo w d irectio n is genera lly to wards the west in theno rthern a nd western portio ns o f the c o unty, with lo c a lized flo w to wards Big Creek a ndits tributaries suc h as Barr Creek, Neu Creek a nd Little Creek. The regio na l flo w in theeastern a nd southern portio ns o f the c o unty is genera lly to wards the Ohio River withlo c a lized flo w to wards tributaries suc h as Pigeo n Creek a nd Bayo u Creek.Bedro c k potentio m etric surfa c e elevatio n c o nto urs ha ve no t been extend ed thro ughportio ns o f the c o unty. These areas are la c king in d ata a nd /o r c o vered by m o re pro lificunc o nso lid a ted d eposits that lim it the nec essity to c o m plete wells in bed ro c k. The c o unty PSM c a n b e used to d efine the regio na l ground water flo w path a nd to id entifysignific a nt areas o f ground water rec harge a nd d isc harge. County PSM ’s represent o vera llregio na l c hara c teristics a nd are no t intend ed to b e a substitute fo r site-spec ific stud ies.