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Investor-Owned Water Utility Drought Report (May 5, 2006, Illinois Commerce Commission) - May 5th update of the effects of the drought on investor-owned water utilities.

Illinois Drought Task Force Meeting Minutes (March 22, 2006, Drought Response Task Force) - Minutes from the Illinois Drought Task Force Meeting on March 22, 2006.

>>> ARCHIVED Drought Response Task Force Documents

Illinois Drought Update (July 6, 2006, Illinois State Water Survey) - According to the U.S. Drought Monitor, most of Illinois is free of drought. Only portions of west-central Illinois remain “abnormally dry”, with a very small area south of Moline in “moderate drought”.

Streamflow Maps (July 4, 2006, Center for Watershed Science) - Maps describing current Illinois streamflows, based on provisional discharge data obtained from the USGS, as compared to historical flow records.

Dry Conditions in Illinois Beginning in Spring 2005 (Updates Daily, Illinois State Climatologist) - The period beginning March 1, 2005, to present has been very dry in Illinois, especially in the northern part of the state. This set of maps and tables presents a preliminary picture of this area of concern.

Illinois Drought Update (May 24, 2006, Drought Response Task Force) - Most of Illinois is free of drought. Only portions of west-central Illinois remain “abnormally dry” with a very small area around Quincy still in “moderate drought”. Given the climate outlook, some carry-over hydrologic effects from last year’s drought may be expected to cause below normal streamflows this summer in west-central Illinois and some northern areas of the State where last year there was a large precipitation deficit.

>>> ARCHIVED ISWS Drought Updates

>>> ARCHIVED Illinois Drought-Related Press Releases

Soil Moisture Summary (bi-weekly, Water and Atmospheric Resources Monitoring Program) - This twice-monthly document provides information about the soil moisture conditions in Illinois. Results are made available on the Water and Atmospheric Resources Monitoring Program (WARM) web site, and cover many soil layers.

Current Climate Conditions in Illinois (Illinois State Climatologist) - Climate maps and graphs for Illinois, for precipitation, snowfall, mean temperature, low temperature, and more. These products are updated by 10:30 AM central time.

Daily Weather Data (Water and Atmospheric Resources Monitoring Program) - Daily Weather Data from the Water and Atmospheric Resources Monitoring Program.

Drought in Illinois (Illinois State Climatologist) - Drought is a complex physical and social phenomenon of widespread significance, and despite all the problems droughts have caused, drought has been difficult to define. There is no universally accepted definition because: 1) drought, unlike flood, is not a distinct event, and 2) drought is often the result of many complex factors acting on and interacting within the environment.

Illinois Water and Climate Summary (Water and Atmospheric Resources Monitoring Program) - The Illinois Water and Climate Summary is a monthly summary publication issued by the WARM Program on some of the data collected by the networks within the WARM domain. Full descriptions of each set of data presented are available for weather and climate information, soil moisture information, surface water information, and ground-water information. There is also an archive of old summaries.

Midwest Climate Watch (Midwestern Regional Climate Center) - Midwest Climate Watch web site information includes climate maps of the present month, current through yesterday midnight using data received by 11:00 am Central Time today.

Midwest Moisture Daily Update (Midwestern Regional Climate Center) - The Midwestern Regional Climate Center has designed this page to help monitor the evolution of moisture levels in the region as conditions change over time. Departures of soil moisture levels from normal for the top 12 inches and 72 inches of soil are shown, as well as total precipitation and precipitation departures from normal in inches and percentages for 30, 90, and 180-day periods.

USGS Streamflow Conditions Map (United States Geological Survey) - The USGS Drought Watch For Illinois page, including the Illinois Streamflow Conditions Map.

USGS Streamflow Index Stations for Illinois (United States Geological Survey) - Daily mean discharge graphs for 3 U.S. Geological Survey streamflow-gaging stations in Illinois. Graphs represent 1 year of data from today's date and are updated daily (weekdays only).

US Drought Monitor (National Drought Mitigation Center) - The U.S. Drought Monitor focuses on broad-scale conditions. Local conditions may vary. The data cutoff for Drought Monitor maps is Tuesday at 8 a.m. Eastern Daylight Time. The maps, which are based on analysis of the data, are released each Thursday at 8:30 a.m. Eastern Time.

USGS Below Normal Streamflow Map (United States Geological Survey) - Current water resources conditions, including a map of below normal 7-day average streamflow compared to historical streamflow for the day of the year for Illinois.

NOAA's 5-day precipitation forecast (National Oceanic and Atmospheric Administration) - Quantitative Precipitation Forecasts from the National Weather Service's Hydrometeorological Prediction Center.

Precipitation Total Maps (Intellicast) - Intellicast provides precipitation total maps on their web site in both weekly and daily formats.

Illinois Water Supply (Illinois State Water Survey) - What is water? This may seem a simple question, but have you thought about how many different uses exist for water? Each day in Illinois, water is used for drinking, bathing, and washing our dishes - but it is also used for navigation, in industry, and as a source of power. Illinois is a water-rich state, but water availability varies widely across the State. The Illinois State Water Survey has answered some basic questions about water supply and availability in Illinois.

Illinois Weather & Crop Information (Illinois Agricultural Statistics Service) - Information on Illinois' weather and crops including the Illinois Weather & Crop Report, Corn, Soybean, & Wheat Progress Charts (charts updated every Monday at 3:00 pm CST) and more.

Integrated Water Quantity Planning & Management (Illinois Department of Natural Resources [DNR] & Illinois Environmental Protection Agency [IEPA]) - The Illinois Department of Natural Resources and the Illinois Environmental Protection Agency are formulating a strategy to better identify, plan for, and address Illinois' numerous and diverse water quantity issues. This web site accommodates public access to documents that provide a framework for the development of a strategy to address important water quantity issues in Illinois.

US National Drought Watch (United States Geological Survey) - USGS state information on drought including a map of below normal 7-day average streamflow compared to historical streamflow for the day of the year.

Water Supply and Demand in Illinois (Illinois State Water Survey) - A presentation about water supply and demand issues in Illinois. Topics include: Low cost public good, Renewable resources, Reasonable use, Competition and conflicts, Diffuse management, and Social, economic, political, institutional, administrative, legal, and scientific issues.

The Water Cycle and Water Budgets in Illinois: A Framework for Drought and Water-Supply Planning - Provision of adequate and reliable supplies of clean water at reasonable cost is a basic necessity for public health, the economy, recreation, and navigation. It is the goal of watersupply planning and management. As water withdrawals increase, so too does the need to protect watersheds, aquifers, and aquatic ecosystems for present and future generations. With sound planning and management, there is no reason why the residents of Illinois, a water-rich state, ever should face a water crisis. Without sound planning and management, however, current local problems and regional concerns could mushroom into conflicts and crises, and courts increasingly could be called upon to determine the reasonableness of withdrawals.
The Water Cycle and Water Budgets in Illinois: A Framework for Drought and Water-Supply Planning, Derek Winstanley, James A. Angel, Stanley A. Changnon, H. Vernon Knapp, Kenneth E. Kunkel, Michael A. Palecki, Robert W. Scott, and H. Allen Wehrmann, 2006 Illinois State Water Survey, Champaign, IL 116 p.: ill., ISWS I/EM-2006-02

Detecting Drought Conditions in Illinois - A major study of Illinois droughts was conducted to develop a basis for quantitative assessments of drought conditions in Illinois. Such information should aid decision making related to local and state actions to ameliorate the effects of future droughts. Those who must deal directly with aspects of drought need to know 1) whether a drought is developing, 2) how severe the drought is at any given time, and 3) how long the drought will last. This report provides information to help address those questions.
Detecting Drought Conditions in Illinois Changnon, Stanley A., Jr., 1987 Illinois State Water Survey, Champaign, IL 36 p.: ill., maps ISWS C-169

Impacts of Irrigation and Drought on Illinois Ground-water Resources - This investigation is the first of three phases of a ground-water management study. In this report, effects of irrigation and drought on the ground-water resources of Illinois are examined.
Impacts of Irrigation and Drought on Illinois Ground-water Resources Bowman, Jean A., and Mark A. Collins, 1987 Illinois State Water Survey, Champaign, IL 31 p.: ill., maps, tables ISWS RI-109

Dry Periods in Illinois: A Climatological and Meteorological Analysis - In Print, copies available.
Dry Periods in Illinois: A Climatological and Meteorological Analysis Changnon, Stanley A., Jr., Floyd A. Huff, Kenneth E. Kunkel, Robert W. Scott, and Nancy E. Westcott, 1996 Illinois State Water Survey, Champaign, IL 144 p.: ill., tables ISWS CR-599

Assessment of Weather Modification in Alleviating Agricultural Water Shortages during Droughts - Out of Print, copies available through Interlibrary Loan.
Assessment of Weather Modification in Alleviating Agricultural Water Shortages during Droughts Huff, Floyd A., and John L. Vogel, 1977 Illinois State Water Survey, Champaign, IL 133 p.: ill., tables ISWS CR-195

The 1988-1989 Drought in Illinois: Causes, Dimensions, and Impacts - In Print, copies available.
The 1988-1989 Drought in Illinois: Causes, Dimensions, and Impacts 1992 Illinois State Water Survey, Champaign, IL 154 p.: ill., maps, tables ISWS RR-121

The 1980-1981 Drought in Illinois: Causes, Dimensions, and Impacts - Out of Print, copies available through Interlibrary Loan.
The 1980-1981 Drought in Illinois: Causes, Dimensions, and Impacts Changnon, Stanley A., Jr., Gary L. Achtemeier, Steven D. Hilberg, H. Vernon Knapp, Robert D. Olson, Wyndham J. Roberts, and Peter G. Vinzani, 1982 Illinois State Water Survey, Champaign, IL 113 p.: ill., tables, maps ISWS RI-102

ISWS Publications Database - Search over 1,000 ISWS Publications on our web site.

QUESTION: Will the combination of heat and low flow cause the growth of more bacteria than the water treatment plants can handle ? ANSWER >>

Derek Winstanley, Chief of the Illinois State Water Survey - (217) 244-5459 dwinstan@uiuc.edu.

Jim Angel, State Climatologist - (217) 333-0729 jimangel@uiuc.edu.

Steve Hilberg, Midwest Regional Climate Center - (217) 333-8495 hberg@uiuc.edu.

Vern Knapp, Center for Watershed Science, Surface Water - (217) 333-4423 vknapp@uiuc.edu.

Al Wehrmann, Center Groundwater Science, Director - (217) 333-0493 alex@uiuc.edu.

Illinois Department of Natural Resources, Office of Water Resources (IDNR)

Gary R. Clark, Director - (217) 785-3334 GCLARK@dnrmail.state.il.us

Frank Pisani, Manager - (217) 557-8243 FPISANI@dnrmail.state.il.us

Illinois Department of Natural Resources, Division of Fisheries (IDNR)

Steve Pallo - (217) 524-4163 SPALLO@dnrmail.state.il.us

Scott Stuewe, Manager - (217) 785-8263 SSTUEWE@dnrmail.state.il.us

Illinois Department of Agriculture (IDOA)

Steve Chard - (217) 785-2661 schard@agr.state.il.us

Tom Jennings - (217) 785-4195 tjennings@arg.state.il.us

Illinois Commerce Commission (ICC)

Gene Beyer, Public Utilities - (217) 558-7162 gbeyer@icc.state.il.us

Ray Pilapil, Water Dept. - (217) 785-1404 rpilapil@icc.state.il.us

Bob Bensko, Homeland Sec. - (217) 524-5049 bbensko@icc.state.il.us

Illinois Emergency Management Agency (IEMA)

Scott Gauvin - (217) 557-4793 gauvin@iema.state.il.us

Jim Watts - (217) 782-6598 Jwatts@iema.state.il.us

Illinois Environmental Protection Agency, Division of Public Water Supplies (IEPA)

Roger Selburg, Manager - (217) 785-8653 Roger.Selburg@epa.state.il.us

Dave McMillan - (217) 785-4787 dave.mcmillan@epa.state.il.us

Illinois Department of Public Health, Division of Environmental Health (IDPH)

Jerry Dalsin - (217) 524-4136 jdalsin@idph.state.il.us

Bob Cowles - (217) 785-2066 rcowles@idph.state.il.us

Public Information Officer (CMS)

Chris McCloud, CMS - (217) 558-1540 chris.mccloud@illinois.gov

Marcelyn Love, CMS - (217) 558-1542 marcelyn.love@illinois.gov

United States Geological Survey, Illinois Water Science Center (USGS)

Robert Holmes, Director - (217) 344-0037 ext. 3005 bholmes@usgs.gov