Illinois Fish Advisory
Illinois Fish Advisory | Cook, DuPage and Lake County Water Bodies

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The following meal advisories for fish found with elevated levels of chlordane, methylmercury and polychlorinated biphenyls (PCBs) are based primarily on protecting sensitive populations, particularly women of childbearing age, pregnant women, fetuses, nursing mothers and children younger than 15 years of age. All advisories may be overprotective for women beyond childbearing age and males 15 years of age and older.

PLEASE NOTE: THE METHYLMERCURY ADVISORY APPLIES TO PREDATOR FISH – all species of black bass (largemouth, smallmouth and spotted), striped bass, white bass, hybrid striped bass, walleye, sauger, saugeye, flathead catfish, muskellunge and northern pike – IN ALL ILLINOIS WATERS. For more information on mercury in Illinois fish, see the "SPECIAL MERCURY ADVISORY", "Facts About Illinois' Methylmercury Advisory", "Facts About Illinois' Chlordane Advisory" and "Facts About Illinois' Polychlorinated Biphenyls (PCBs) Advisory"


  1 Lake Michigan
2 Arrowhead Lake
3 Big Muddy River
4 Busse Lake
5 Calumet River
6 Campus Lake
7 Casey Fork Creek
8 Cedar Creek
9 Cedar Lake
10 Chicago River
11 Crab Orchard Lake
12 Des Plaines River
13 Devil's Kitchen Lake
14 DuPage River
15 DuPage River, East Branch
16 Evergreen Lake
17 Fox Chain-O-Lakes
18 Fox River
19 Frank Holten Lakes
20 Galena River
21 Heidecke Lake
22 Highland-Silver Lake
23 Horseshoe Lake
24 Illinois River
25 Kankakee River
26 Kaskaskia River
27 Kickapoo Creek
28 Kinkaid Lake
29 Kishwaukee River
30 Kishwaukee River South Branch
31 Lake Bracken
32 Lake Calumet
33 Lake Decatur
34 Lake Depue
35 Lake Fork Creek
36 Lake In the Hills
37 Lake of Egypt
38 Lake Taylorville
39 Little Grassy Lake
40 Little Wabash River
     and Tributaries
41 Mackinaw River
42 Marion City Reservior
43 Marquette Park Lagoon
44 Mazon River
45 Midlothian Reservoir
46 Missippippi River
47 Monee Reservoir
48 Mt. Olive New City Lake
49 Nippersink Creek
50 Ohio River
51 Pecatonica River
52 Powerton Lake
53 Rock River
54 Saganashkee Slough
55 Salt Creek
56 Sam Parr Lake
57 Sangamon River
58 Sangamon River
     South Fork
59 Schiller Pond
60 Skillet Fork Creek
61 Spring Creek
62 Sugar River
63 Sycamore Lake
64 Wabash River
65 Waukegan North Harbor
66 Wolf Lake
67 Lake Renwick East
68 Herrin Lake
Click on a listed body of water or corresponding number on the map for more detailed information

Fish Advisory for Cook County Arrowhead Lake Salt Creek Lake Calumet Midlothian Reservoir Calumet River Wolf Lake Schiller Pond Busse Lake Saganashkee Slough Des Plaines River Chicago River Fax Chain-O-Lakes Lake Michigan Marquette Park Lagoon East Branch of the DuPage River Waukegan North Harbor Mississippi River Mississippi River Mississippi River

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