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Welcome to the McHenry County GeoPortal!

The McHenry County GeoPortal has been developed at University of Illinois, Department of Urban Regional Planning, LEAM Laboratory


This McHenry County GeoPortal is intended to support planning in McHenry County.  It is an evolving and robust data repository for land-use simulations, plans, data sets, and analyses.  It has been designed and developed in cooperation with the McHenry County Planning Department and the State of Illinois Department of Natural Resources.  The McHenry County GeoPortal supports analyses and comparisons of spatial data, plans, LEAM simulations, resource inventories, and other critical information about and important to the county.

Using This Site

Click the icon icon   to open a pdf tutorial for using this site.

The information in this site is organized by tabs found at the top of the page.

  • To open a tab, click it. The page is displayed and a navigation menu appears on the left hand side of the screen.

  • To view the contents of a folder, click on the label in the navigation menu. The item is displayed along with folder contents.

  • To view layers in a map, check the box next to that layer's name.

  •  The order in which the layers are checked is the order in which the layers are displayed; the last layer checked will be on top.

    For a more detailed explanation of viewing SimMaps, please visit the FAQ tab.

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