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Legend (PoCoMap_Hydrology)

Regulated Drain - centerline (0)
Regulated Drain - easement (1)
Waterways (2)
Flood Elevation - IDNR - Water 2024 (3)
Flood Hazard - IDNR - (Best Available) 2024 (4)
A A
AE AE
FEMA Flood Hazard Area - FIRM APR2017 (5)
A A
AE AE
Wetland - 2019 (6)
Historic Wetland - 2019 (7)
Regulated Subdivision (8)
HUC08 (9)
Great Lakes Region Great Lakes Region
Upper Mississippi Region Upper Mississippi Region
HUC10 (10)
Calumet River-Frontal Lake Michigan Calumet River-Frontal Lake Michigan
Crooked Creek-Kankakee River Crooked Creek-Kankakee River
Deep River-Portage Burns Waterway Deep River-Portage Burns Waterway
East Arm Little Calumet River East Arm Little Calumet River
Hodge Ditch Hodge Ditch
Knight Ditch-Kankakee River Knight Ditch-Kankakee River
Pitner Ditch-Kankakee River Pitner Ditch-Kankakee River
Salt Creek Salt Creek
Singleton Ditch Singleton Ditch
HUC12 (11)
Ahlgrim Ditch Ahlgrim Ditch
Bloom Ditch Bloom Ditch
Brown Levee Ditch-Kankakee River Brown Levee Ditch-Kankakee River
Calumet River-Frontal Lake Michigan Calumet River-Frontal Lake Michigan
Clark Ditch-Salt Creek Clark Ditch-Salt Creek
Cobb Creek-Kankakee River Cobb Creek-Kankakee River
Coffee Creek-East Arm Little Calumet River Coffee Creek-East Arm Little Calumet River
Cook Ditch Cook Ditch
Cook Ditch-Hodge Ditch Cook Ditch-Hodge Ditch
Cornell Ditch-Phillips Ditch Cornell Ditch-Phillips Ditch
Davis Ditch-Kankakee River Davis Ditch-Kankakee River
Deer Creek-Deep River Deer Creek-Deep River
Duck Creek Duck Creek
Dunes Creek Dunes Creek
East Branch Stony Run East Branch Stony Run
Fisher Pond-Stony Run Fisher Pond-Stony Run
Hannon Ditch-Crooked Creek Hannon Ditch-Crooked Creek
Headwaters Crooked Creek Headwaters Crooked Creek
Kemper Ditch-East Arm Little Calumet River Kemper Ditch-East Arm Little Calumet River
Kintzele Ditch Kintzele Ditch
Koselki Ditch-Crooked Creek Koselki Ditch-Crooked Creek
Lake George-Deep River Lake George-Deep River
Little Calumet River-Deep River Little Calumet River-Deep River
Rassmussen Ditch-Kankakee River Rassmussen Ditch-Kankakee River
Reeves Ditch Reeves Ditch
Reynolds Creek-East Arm Little Calumet River Reynolds Creek-East Arm Little Calumet River
Sagers Lake-Salt Creek Sagers Lake-Salt Creek
Sievers Creek-Cobb Ditch Sievers Creek-Cobb Ditch
Squirrel Creek-Salt Creek Squirrel Creek-Salt Creek
West Branch Crooked Creek West Branch Crooked Creek
Willow Creek-Burns Ditch Willow Creek-Burns Ditch
HUC14 (12)
Ahlgrim Ditch Ahlgrim Ditch
Beverly Shores Tributary Beverly Shores Tributary
Burns Ditch-Willow Creek Burns Ditch-Willow Creek
Cobb Creek-Breyfogel Ditch Cobb Creek-Breyfogel Ditch
Cobb Ditch-Sievers Creek Cobb Ditch-Sievers Creek
Cobb Ditch-Wolf Creek Cobb Ditch-Wolf Creek
Cook Ditch Cook Ditch
Crooked Creek-Hannon Ditch Crooked Creek-Hannon Ditch
Crooked Creek-Headwaters (Porter) Crooked Creek-Headwaters (Porter)
Crooked Creek-Snake Island School Crooked Creek-Snake Island School
Damon Run Damon Run
Deep River-Deer Creek Deep River-Deer Creek
Deep River-Lake George Dam Deep River-Lake George Dam
Deep River-Little Calumet River Deep River-Little Calumet River
Duck Creek (Lake) Duck Creek (Lake)
Dunes Creek Dunes Creek
Eagle Creek-Stony Run Eagle Creek-Stony Run
East Branch Stony Run East Branch Stony Run
Greiger Ditch Greiger Ditch
Hodge Ditch-Cook Ditch Hodge Ditch-Cook Ditch
Hodge Ditch-Delehanty/Schatley Ditches Hodge Ditch-Delehanty/Schatley Ditches
Kankakee River-Brown Levee Ditch Kankakee River-Brown Levee Ditch
Kankakee River-Lawton/Davis Ditches Kankakee River-Lawton/Davis Ditches
Kankakee River-Payne/Rassmussen Ditches Kankakee River-Payne/Rassmussen Ditches
Kintzele Ditch Kintzele Ditch
Koselki Ditch Koselki Ditch
Lake Michigan Shoreline-Dunes Lake Michigan Shoreline-Dunes
Lake Michigan Shoreline-Ind Harbor Canal Lake Michigan Shoreline-Ind Harbor Canal
Lake Michigan-Its Waters, Bays & Islands Lake Michigan-Its Waters, Bays & Islands
Little Calumet River-Burns Ditch Outlet Little Calumet River-Burns Ditch Outlet
Little Calumet River-Kemper Ditch Little Calumet River-Kemper Ditch
Little Calumet River-Reynolds Creek Little Calumet River-Reynolds Creek
Little Calumet River-Sand/Coffee Creeks Little Calumet River-Sand/Coffee Creeks
Phillips Ditch-Cornell Ditch Phillips Ditch-Cornell Ditch
Reeves Ditch Reeves Ditch
Salt Creek-Clark Ditch Salt Creek-Clark Ditch
Salt Creek-Pepper Creek Salt Creek-Pepper Creek
Salt Creek-Sagers Lake/Valporaiso Salt Creek-Sagers Lake/Valporaiso
Salt Creek-Squirrel Creek Salt Creek-Squirrel Creek
Sandy Hook Ditch/Benkie Ditch-Kouts Sandy Hook Ditch/Benkie Ditch-Kouts
Slocum Ditch Slocum Ditch
West Branch Crooked Creek-Flint Lake West Branch Crooked Creek-Flint Lake
Ashford Subbasin5 (13)
Koselke Subbasin (14)
Block Subbasin4 (15)
Brown Subbasin (16)
County Line Subbasin1 (17)
Dog Lake Subbasin (18)
Duck Creek 100YR floodplain (19)
Duck Creek Watershed (20)
Ludington Subbasin (21)
Smith Ditch Watershed (22)
Smith Ditch 100YR floodplain (23)
Worthington Subbasin3 (24)