10L

13L

34L14

14

Lake Superior

Lake Mich

igan Lake Huron

Lake Erie16

32D

32B

32C

32E

14C

32A

14D

55A

50C

34C

50A

14E

50D

14A

34A

50E

50B

34B

14B

02A

14F

01A

10B10A

21

32

14

34

50

22

02

17

20

11

49

53

36

29

55

46

15

60

12

25

06

37

13

31

4741L

01

48L

30

42

56

10

63

53L

07

38L

09

54

55L

29L

5140

04

56L

03

18

28L

58

23L

61

32L

27

26L

28

52

08

30L

41

24

45

43

34L

61L

57

39 62L

02L

33

03L

10L

39L

05

49L52L

62

23

26

36L

35

19

58L

38

37L

60L

12L

15L

43L

31L

47L11L

44

09L

20L

14L

45L

08L

33L

42L

48

01L

05L

51L

46L

35L

22L

24L

06L

01AL

07L

40L

17L27L

04L

19L

Iron

Delta

Luce

Ke nt

Marque tteChippe w aAlge r

Gogebic

Huron

Sanilac

BaragaOntonagon

Ionia

Lak e

Bay

Allegan

Schoolcraft

OaklandBarry

Clare

Houghton

Iosco

Tuscola

Alcona

Cass

Eaton

Lape e rSaginaw

Ne w aygo

St. Clair

Jack sonCalhoun

Alpe na

Gratiot

Le naw e e

ClintonOttaw a

Antrim

Be rrie n

Dickinson

Mason

Ingham

Isabella

Montcalm

Oscoda

MonroeBranch

Otsego

Hillsdale

Ge ne se e

Osce ola

Wexford

Em m e t

Mecosta Midland

Oge m aw

Glad w in

Kalkaska

Washte naw

Craw ford

Maniste e

Van Bure n

LivingstonMacomb

Missauk e e

Are nac

Kalamazoo

St. Jose ph

Mackinac

Wayne

Me nom ine e

Oceana

Cheboygan

Pre sque Isle

Musk egon

Be nzie

R oscomm on

Shiaw asse e

Montm ore ncy

Le elanau

Charle voix

GrandTrave rse

Ke w e e naw

64

WatershedsMajor BoundariesSubbasin Boundaries

Michigan's MajorWatersheds

0 20 40 60 8010Mile s

.

01 Au Gre s 20 Maniste e 41 Carp 01A E. Br. Au Gre s 21 Maum e e 42 Ce dar 02 Au Sable 22 Musk egon 43 Chocolay 02A Pine (Oscoda) 23 Ocque oc 44 Days 03 Belle 24 Pe ntw ate r 45 Dead 04 Be tsie 25 Pe re Marque tte 46 Escanaba 05 Big Sable 26 Pige on (Huron) 47 Ford 06 Black (Port Huron) 27 Pine (St. Clair) 48 Falls 07 Black (South Have n) 28 Platte 49 Manistique 08 Macataw a 29 R aisin 50 Me nom ine e 09 Board m an 30 R ifle 50A Paint 10 Pine (Charle voix) 31 R ouge 50B Brule 10A Boyne 32 Saginaw 50C Michigam m e 10B Jordan 32A Cass 50D Pine (Wisconsin) 11 Cheboygan 32B Flint 50E Sturge on (Dickinson) 12 Clinton 32C Shiaw asse e 51 Montreal 13 Elk 32D Tittabaw asse e 52 Munuscong 14 Grand 32E Chippe w a 53 Ontonagon 14A R e d Ce dar 33 Sebe w aing 54 Pine (Mackinac) 14B Looking Glass 34 St. Jose ph 55 Portage 14C Maple 34A Paw Paw 55A Sturge on (Houghton) 14D Thornapple 34B Pige on (Indiana) 56 Pre sque Isle 14E Flat 34C Elkhart 57 R apid 14F R ogue 35 Stony Cre e k 58 Sturge on (Delta) 15 Huron 36 Thund e r Bay 60 Taquam e non 16 Illinois 37 White 61 Tw o Hearte d 17 Kalamazoo 38 Willow 62 Waiska 18 Kaw kaw lin 39 Au Train 63 Whitefish 19 Lincoln 40 Black (Gogebic) 64 Wisconsin

Note: Basin num be rs containing an “L” re pre se nt Lak e Drainage

www.michigan.gov/hydrology

Water Resources Division