The Map Library and GIS products are part of the Ohio Coastal Atlas suite of mapping resources developed to provide coastal decision-makers, professionals, educators, interest groups and the public with information about Lake Erie and its watershed.
Maps, graphics and information below focus on Ohio's coastal counties and arranged in alphabetical order. Next to each county's name is a link to detailed county information, including Lake Erie public access.
For additional and/or higher resolution maps, please contact the Office of Coastal Management
Lucas | Wood* | Ottawa | Sandusky | Erie | Lorain | Cuyahoga | Lake | Ashtabula | Lake Erie
- Coastal Counties Population:
- 2,534,282 people (2010 U.S. Census)
- Coastal Counties Area:
- Land: 2,427,471 acres
- Lake Erie: 2,290,709 acres
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- Designated Coastal Management Area:
- 170,867 mainland acres
- 6,180 island acres
- 2,290,709 Lake Erie acres
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* A portion of Wood County is in the designated Ohio Coastal Management Area, but the county is not adjacent to Lake Erie. Wood County is included in the statistics found on this page.
AS1 – Ashtabula County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
AS2 - Ashtabula County Watersheds - This map illustrates 14-digit Hydrologic Unit Code (HUC) watershed boundaries, general hydrography and transportation in Ashtabula County. Map size: ANSI C (17" x 22").
CU1 – Cuyahoga County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
CU2 - Cuyahoga County Watersheds - This map illustrates 14-digit Hydrologic Unit Code (HUC) watershed boundaries, general hydrography and transportation in Cuyahoga County. Map size: ANSI C (17" x 22").
ER1 – Erie County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
ER2 – Erie County and Huron County Watersheds
This map illustrates 14-digit Hydrologic Unit Code (HUC) watershed boundaries, general hydrography and transportation in Erie and Huron counties (does not include Kelleys Island) Map size: ANSI C (17" x 22").
LA1 – Lake County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
LA2 - Lake County Watersheds - This map illustrates 14-digit Hydrologic Unit Code (HUC) watershed boundaries, general hydrography and transportation in Lake County. Map size: ANSI C (17" x 22").
LO1 – Lorain County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
LO2 - Lorain County Watersheds - This map illustrates 14-digit Hydrologic Unit Code (HUC) watershed boundaries, general hydrography and transportation in Lorain County. Map size: ANSI C (17" x 22").
LU1 – Lucas County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
LU2 – Lucas County Watershed Map
This map illustrates the 8-digit, 11-digit and 14-digit Hydrologic Unit Code (HUC) watershed boundaries and detailed hydrography in Lucas County.
OT1 – Ottawa County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
OT2 – Ottawa County Watershed Map
This map illustrates the 8-digit, 11-digit and 14-digit Hydrologic Unit Code (HUC) watershed boundaries and detailed hydrography in Ottawa County.
SA1 – Sandusky County Profile Map
Base map showing political boundaries and transportation network with county and coastal facts.
Wood County*
WO2 – Wood County Watershed Map
This map illustrates the 8-digit, 11-digit and 14-digit Hydrologic Unit Code (HUC) watershed boundaries and detailed hydrography in Wood County.
* Wood County has 397,969 land acres, of which 3,018 acres along the Maumee River are included in Ohio's Designated Ohio Coastal Management Area; however, the county is not adjacent to Lake Erie. Bowling Green is the county seat.