Illinois Water Supply Planning



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Water Supply Reports

Reports produced from the regional water supply planning process in Illinois.

Reports:

East Central Illinois Region

A Plan to Improve the Planning and Management of Water Supplies in East-Central Illinois (Report of the Regional Planning Committee, June 2009) (pdf ~1.8mb) -- East-Central Illinois is not facing an immediate water crisis, but the East-Central Illinois Water Supply Planning Committee (the Committee) is driven by a desire to avoid crises that sometimes plague other states and countries. The Committee believes strongly that stakeholders in the region can shape the future, rather than allowing runaway events to take control and crises to occur. A regional plan - a framework for action and a series of action items - provides a means to shape the future. [There is also an Executive Summary version of the report]
Meeting East-Central Illinois Water Needs to 2050: Potential Impacts on the Mahomet Aquifer and Surface Reservoirs (Illinois State Water Survey, Illinois State Geological Survey) (pdf ~3.4mb) -- The availability and sustainability of an adequate and dependable water supply is essential for our public, environmental, and economic health. In this study we examined the impact of current and future water demands on streams and aquifers in east-central Illinois through the use of computer-based models. Analytical and deterministic models were used to examine the four large surface water supply reservoirs. Future water supplies and demands out to the year 2050 were evaluated under three scenarios: baseline growth, more resource intensive, and less resource intensive scenarios.
Water Demand Scenarios for the East-Central Illinois Planning Region: 2005-2050 (Wittman Hydro Planning Associates, October 2008) (pdf ~7.4mb) -- In January 2006, Governor Rod Blagojevich signed Executive Order 2006-01 calling for a comprehensive program of state and regional water-supply planning in the State of Illinois. The order charges the Illinois Department of Natural Resources (IDNR) with the responsibility of developing financial and technical support for two regional water supply planning committees in their development of water-supply plans for two priority regions in the state. This report describes the water-demand study that estimates current and future withdrawals for the East-Central Illinois Region.

Kaskaskia Region

Kaskaskia Basin & Vicinity 2050 Water Supply Assessment and Recommendations (Kaskaskia Basin Water Supply Planning Committee) (pdf ~1.4mb) -- The Comprehensive Evaluation and Plan for the Regional Water Supply of the Kaskaskia River Basin through 2050 is aimed at assessing the water supply and the water demands within the Kaskaskia Basin through the year 2050. This includes analyzing and evaluating various scenarios involving potential changes in water demands and the water supply, including federal and community reservoirs, and identifying impacts from the specific scenarios.
Future Water Demands and Coal Development Potential in Kaskaskia River Basin in Illinois (Illinois Clean Coal Institute) (pdf ~3.4mb) -- This study analyzed the existing water demands as well as future water-demand scenarios for all major user sectors in the 22-county regional planning area that includes the Kaskaskia River basin in Southwestern and Central Illinois. The objective was to determine future water demands during the period from 2010 until 2050 and compare the sectoral demands with the potential water needs for coal development and processing and thermoelectric generation within the study area.
Water Supply Assessment for Kaskaskia River Watershed Development: Phase 1 Technical Report (Illinois State Water Survey, Office of Water Resources) (pdf ~3.4mb) -- This document was prepared for the Kaskaskia Basin Water Supply Planning Committee to aid their development of a plan for meeting the future growth of water supply demands within the basin. It contains background information to provide an overview of management criteria and an understanding of the constraints and policies used in conducting analyses and making decisions concerning water use within the Kaskaskia Basin.

Northeastern Illinois Region

Northeastern Illinois Water Supply/Demand Plan (Report of the Regional Planning Group, March 2010) (pdf ~4.2mb) -- The prosperity of the greater Chicago region and its status as a global center depend on water availability. Historically blessed with ample fresh water, the region can no longer assume that water supplies are infinite. While other parts of the country struggle to meet growing water demand and some cities are losing their economic competitiveness due to shortage or inadequate planning, the Chicago region must act now to carefully plan and manage its surface and groundwater resources in a coordinated fashion.
Northeastern Illinois Water Supply Planning Investigations: Opportunities and Challenges of Meeting Water Demand in Northeastern Illinois--Full Report (Illinois State Water Survey, Illinois State Geological Survey, Office of Water Resources) (pdf ~13.1mb)  (hi-res version pdf ~23.5mb)  -- The availability and sustainability of an adequate and dependable water supply is essential for public, environmental, and economic health. This understanding led to the initiation, under direction of Executive Order 2006-01, of a three-year program for comprehensive regional water supply planning and management in Illinois. [There is also an Executive Summary version of the report]
Regional Water Demand Scenarios for Northeastern Illinois: 2005-2050, Project Completion Report (Southern Illinois University, June 2008) (pdf ~1.8mb) -- This study presents future water-demand scenarios for geographical areas which encompass groundwater withdrawal points and surface water intakes in the 11-county regional planning area of Northeastern Illinois. The region under study includes the Illinois counties of Boone, Cook, DeKalb, DuPage, Kane, Kankakee, Kendall, Grundy, Lake, McHenry, and Will.
Residential Water Use in Northeastern Illinois: Estimating Water-Use Effects of In-Fill Growth Versus Exurban Expansion (Southern Illinois University, June 2009) (pdf ~550k) -- The purpose of this report is to determine the water-demand effects that would result from geographically differential patterns of population growth associated with different types of housing within the 11-county study area in Northeastern Illinois. This report supplements the evaluation of the intra-regional shifts in population growth which were assumed in the Less Resource Intensive (LRI) and More Resource Intensive (MRI) scenarios of the recently completed study – Regional Water Demand Scenarios for Northeastern Illinois: 2005-2050.




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