The following counties and communities are located within the Fox River Watershed.
Follow the links to their Websites (when available)
COOK COUNTY

Cook County Website
 Barrington
 Barrington Hills
 Bartlett
 Hanover Park
 Hoffman Estates
 Inverness
 Schaumburg
 South Barrington
 Streamwood

 
 
DEKALB COUNTY

DeKalb County Website
 Hinckley
 Sandwich
 Shabbona
 Somonauk
 Waterman

 
 
DUPAGE COUNTY

DuPage County Website
 Aurora
 Bartlett
 Naperville
 Warrenville
 Wayne
 West Chicago

KANE COUNTY

Kane County Website
 Algonquin
 Aurora
 Barrington Hills
 Batavia
 Big Rock
 Burlington
 Carpentersville
 East Dundee
 Elburn
 Elgin
 Geneva

 Gilberts
 Hampshire
 Hoffman Estates
 Huntley
 Kaneville
 LaFox
 Lily Lake
 Maple Park
 Montgomery
 North Aurora
 Pingree Grove

 Plato Center
 St. Charles
 Sleepy Hollow
 South Elgin
 Sugar Grove
 Troxel
 Udina
 Virgil
 Wasco
 Wayne
 West Dundee

KENDALL COUNTY

Kendall County Website
 Boulder Hill
 Millbrook

Millington
Newark

Oswego
 Plano
 Yorkville

LAKE COUNTY

Lake County Website
 Antioch
 Barrington
 Barrington Hills
 Deer Park
 Fox Lake
 Grayslake
 Hainsville
 Hawthorn Woods

 Island Lake
 Island Park
 Kildeer
 Lake Barrington
 Lakemoor
 Lake Villa
 Lake Zurich
 Lindenhurst

 North Barrington
 Round Lake
 Round Lake Beach
 Round Lake Heights
 Round Lake Park
 Third Lake
 Tower Lakes
 Volo
 Wauconda

LASALLE COUNTY

LaSalle County Website
 Earlville
 Leland

 Millington
 Ottawa

 Sheridan
 Somonauk

McHENRY COUNTY

McHenry County Website  
 Algonquin
 Bull Valley
 Cary
 Crystal Lake
 Fox River Grove
 Greenwood
 Hebron

 Holiday Lakes
 Island Lake
 Johnsburg
 Lake In The Hills
 Lakemoor
 Lakewood
 McCullom Lake
 McHenry

 Oakwood Hills
 Prairie Grove
 Richmond
 Ringwood
 Spring Grove
 Wonder Lake
 Woodstock