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Inland Sensitivity Atlas

Spills Preparedness and Response for
U.S. EPA Region 5


The Inland Sensitivity Atlas series is a set of Geographic Information System (GIS) based products, providing contingency planners and emergency responders with accurate and relevant information for spill preparedness and response.  The atlas series has been provided, in electronic and print forms, to a number of planners and responders in the U.S. Environmental Protection Agency (U.S. EPA) Region 5 area.

The Oil Pollution Act of 1990 (OPA) required that U.S. EPA and the U.S. Coast Guard prepare Area Contingency Plans to improve the efficiency of spill response nationwide.  As part of its strategy to meet OPA requirements, U.S. EPA Region 5 chose to contract with a number of regional organizations to accomplish tasks related to Area Contingency Plans.  As a result, the UMRBA has worked in coordination with U.S. EPA Region 5, and the Great Lakes Commission (GLC) to carry out data collection, mapping, and planning tasks that improve institutional ability to plan for and respond to spills in the Region 5 area.  These efforts have been primarily funded through the ongoing cooperative agreement with U.S. EPA Region 5.


Mapping Area

As a supplement to contingency plans, U.S. EPA Region 5 has prepared detailed atlases to cover all six states in its region, which includes Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.  UMRBA is responsible for updating and maintaining the sensitivity atlas within three Region 5 states:  Illinois, Minnesota, and Wisconsin, while the Great Lakes Commission is responsible for Indiana, Michigan, and Ohio.

The initial version of the atlas series has been created, and now the project has moved into a phase of ongoing enhancements, improvements, and updates in information on a statewide basis.


Inland Sensitivity Atlas Content


Project Partners

The atlas series is jointly maintained by U.S. EPA Region 5, the Great Lakes Commission, and the Upper Mississippi River Basin Association.  These organizations work together to identify and collect data about sensitive environmental, economic, and cultural resources; potential spill sources; and response resources within U.S. EPA Region 5.


Product Distribution

Due to sensitive content within the atlas, map distribution is limited to emergency responders and contingency planners.

Atlas products are distributed on CD or DVD-ROM, and are scaled for printing on 8-1/2" x 11" paper.



For product availability and distribution, contact:

U.S. Environmental Protection Agency, Region 5

Oil Planning and Response Section

77 West Jackson Blvd (SE-5J)

Chicago, IL 60604