| |
| Member Communities |
| Arlington Heights * |
Oak Park * |
| Bedford Park * |
Park Ridge * |
| Berwyn * |
Phoenix * |
| Blue Island * |
Posen * |
| Broadview * |
River Forest * |
| Brookfield * |
River Grove * |
| Burnham |
Riverdale * |
| Calumet City * |
Riverside * |
| Calumet Park * |
Schiller Park * |
| Chicago * |
Skokie * |
| Cicero |
South Holland * |
| Des Plaines * |
Stickney * |
| Dixmoor * |
Summit * |
| Dolton * |
Western Springs * |
| Elmwood Park * |
Wilmette * |
| Evanston* |
Berwyn Township * |
| Forest Park * |
Bloom Township * |
| Forest View * |
Bremen Township * |
| Franklin Park * |
Calumet Township * |
| Golf * |
Cicero Township * |
| Harvey * |
Elk Grove Township * |
| Harwood Heights * |
Evanston Township * |
| Hometown * |
Lemont Township * |
| Kenilworth * |
Leyden Township * |
| LaGrange * |
Lyons Township * |
| LaGrange Park * |
Maine Township * |
| Lansing * |
New Trier Township * |
| Lemont * |
Niles Township * |
| Lincolnwood * |
Norwood Park Township * |
| Lyons * |
Oak Park Township * |
| Markham * |
Proviso Township * |
| Maywood * |
River Forest Township * |
| Melrose Park * |
Riverside Township * |
| Morton Grove * |
Stickney Township * |
| Niles * |
Thornton Township * |
| Norridge * |
Wheeling Township * |
| North Riverside * |
Worth Township * |
|
* Indicates membership in more than one watershed. |