There are many areas that you may search to find information about the Water Survey. Choose the area below that best suits your needs.
Search This Site This option will search for a web page or document on this web site. This is a full text search, so if what you are searching for is on our site, this search should find it for you.
Administrative Links A collection of Illinois State Water Survey administrative links. Areas include employment information, an organizational chart, and directions to the Survey.
Scientific Links A listing of Scientific-related links. Areas include watershed science, quality management, groundwater, nitrogen cycles, atmospheric science, atmospheric deposition, analytical chemistry, and more.
Hydrological Cycle Search A hydrological cycle graphic is utilized as a search tool offering the ability to search this site by topical areas of the cycle. Choosing a hydrological cycle area will return links to appropriate areas on our site.
Data A collection of both online and offline data. Varieties include Weather, Agricultural, Streamflow, Flood, Drought, Groundwater, Precipitation Chemistry, and more. Sources of data from other institutions are also listed. Please read our Data Disclaimer
Maps Maps in the Water Survey Map Series are listed, as well as selected maps from publications, brochures, and Survey web sites. You can also request a free 26" X 38" Illinois Watersheds Poster. Most of the maps are downloadable via PDF file. Please read our Map Disclaimer
Publications Search Searching here will retrieve Illinois State Water Survey documents and document information from our publications database. This database contains over 100 years of documents and information. Many documents are available online as PDF files.
Staff Search Here, you can locate a staff member of the Water Survey along with their phone number, email address, and office number. You may search for staff by first or last name, building, or Center/Program/Office.
Calendar of Events The Water Survey provides a listing of upcoming conferences, which this search will return. Inclusion on this list does not imply an endorsement by the Survey.