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Disclaimer

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Data & Maps Disclaimer

The Illinois State Water Survey and/or The University of Illinois shall not be held liable for improper or incorrect use of the data described or information contained on these pages. This data information and related graphics are not legal documents and are not intended to be used as such.

The Illinois State Water Survey and/or The University of Illinois gives no warranty, express or implied, as to the accuracy, reliability, utility or completeness of this information. The user of this system assumes all responsibility and risk for the use of this server and the Internet generally. The Illinois State Water Survey and/or The University of Illinois disclaims all warranties, representations or endorsements, express or implied, with regard to the information accessed from, or via, this server or the Internet, including, but not limited to, all implied warranties of merchantability, fitness for a particular purpose or non-infringement.

In addition to the Water Survey disclaimer above, preliminary FEMA maps provided on this site are not for use/distributions/replication until they have been finalized, and are listed as "final" on the FEMA Maps web site. These preliminary maps are for review purposes only. If you have any questions, please contact us.

Scientific Focus

Multidisciplinary research that is being encouraged in federal and state agencies to deal with modern natural resource and environmental management issues has been a fact in Illinois for over 100 years.

Staff members discuss mapping issues

The Scientific Surveys of the Prairie Research Institute are the primary agencies in Illinois responsible for producing and disseminating scientific and technological information, services, and products related to the environment, economic development and quality of life. To achieve this mission the Scientific Surveys conduct state-of-the-art research and collect, analyze, archive and disseminate high-quality, objective data and technical information. The information, services, and products provide a sound technical basis for the citizens and policymakers of Illinois and the nation to make wise social, economic, and environmental decisions.