Projects related to the Mahomet Aquifer (1990-2007)      
(projects appear in approximate chronological order, most recent projects appear first)            
Project Name Project Focus    (G= geology, H= hydrology, WQ= water quality) Project start date Project end date Principal Investigators Budget Funding Source  (L= local, S= state, F= federal) Sponsor In-kind support Counties included in study Products County or local funding
Improving the Groundwater Flow Model of the Mahomet Aquifer including Geological Mapping & Geophysical Exploration in Champaign County G, H Apr-07 Mar-10 Dey & Stumpf (ISGS); Roadcap & Wehrmann (ISWS) $600,000 L Illinois American Water Co.   Piatt, Champaign    
NAWQA Ground-water source water-quality assessment WQ Oct-06 Sep-07 Mills, Morrow, Groschen (USGS) $80,000 F USGS   14 (?)  counties  Planned report  
Executive Order 2006-1/ Regional Water Supply Planning Committee planning Jul-06 Jun-09 MAC $300,000 S IDNR/OWR   15 counties    
Executive Order 2006-1/ IDNR Support for Regional Water Supply Planning Committees planning Jul-06 Jun-09 ISGS & ISWS   S IDNR/OWR   15 counties    
Hydrogeologic Investigation of the Mahomet and Glasford Aquifers in Champaign County G, H Nov-05 May-07 Roadcap & Wilson (ISWS), Larson & Mehnert (ISGS) $80,808 L Illinois American Water Co. $20,000 Piatt, Champaign   IAWC = 80808
Development of an Automated Groundwater Level Observation Program for the IVWA H Dec-04 Aug-06 Wilson (ISWS) $15,000 L Imperial Valley Water Authority $13,000 Mason, Tazewell   Mason, Tazewell = 26000
IBHE Year 2 - Geophysics G Jul-02 Jul-03 T. Larson, Pugin, S. Sargent (ISGS) $150,000 S IBHE   Piatt, Champaign    
Imperial Valley Water Use Project H Apr-02 Oct-02 Avery (USGS) $13,000 L Imperial Valley Water Authority $10,000 Mason, Tazewell   Mason= 9750 Tazewell=3250
Aquifer Test near Hog Chute Bridge H Apr-02 Sep-03 Wilson & Roadcap (ISWS) $30,000 L City of Decatur & Mahomet Valley Water Authority   Piatt ISWS CR2001-11  
Arsenic Removal Assessment WQ Apr-02 Oct-03 Holm, Wilson, & Kelly (ISWS) $49,661 F MTAC   All ISWS CR 2006-07 & ISWS CR 2006-08  
Arsenic Assessment of Domestic Wells in Champaign & Tazewell Counties WQ Sep-01 Feb-03 Kelly, Holm, Wilson, & Roadcap (ISWS) $74,833 S IWMRC   Champaign, Tazewell WMRC RR-107  
IBHE Year 1 - Geophysics G Jul-01 Jul-02 T. Larson, Pugin, S. Sargent (ISGS) $150,000 S IBHE   Piatt    
Review of Decatur GW Flow Model H Jan-01 2001 Wilson & Roadcap (ISWS) $8,800 L City of Decatur   Piatt, Macon, Champaign  ISWS CR 2001-11 Macon= 8800
Drilling and Observation Well Construction in Piatt County G, H, WQ Jun-00 Jun-00 Burch (ISWS) $20,000 S Aquifer Assessment   Piatt    
Throat of the Mahomet Aquifer Water Quality Assessment WQ Jun-00 Jul-03 Kelly, Holm, & Wilson (ISWS) $6,000 S Aquifer Assessment   DeWitt, Piatt    
Decline in Specific Capacity in the western Champaign Well Field-- Phase 2 G Apr-99 Dec-99 Mehnert, Hackley, D. Larson, Panno (ISGS) $110,000 L Northern Illinois Water Corp $20,000 Champaign ISGS Circular 566 Champaign= 110000
McLean-Tazewell Ob-Well Network  H Feb-99 Jan-05 Wilson (ISWS) $22,566 L Long-Range Water Plan Steering Committee   McLean, Tazewell ISWS/ISGS Coop 19 McLean= $21635
DeWitt-Piatt Co. Ob-Well Network Design  H Jan-99 1999 Anliker (ISWS) $62,000 L Mahomet Valley Water Authority   DeWitt, Piatt, Macon  ISWS CR 642 DeWitt= 31,000 Piatt= 31,000
2D, Inverse Groundwater Flow Model of the Entire Mahomet Aquifer H Jan-99 2000 Heidari (ISWS) $0 S ISWS $40,000 all    
MAC Technical Support   Nov-98 current Mehnert (ISGS), Warner (USGS), Wehrmann (ISWS) $0 S & F none $21,635 all    
Decline in Specific Capacity in the western Champaign Well Field-- Phase 1 G Jun-98 Aug-98 Mehnert, Hackley, D. Larson, Panno (ISGS) $19,300 L Northern Illinois Water Corp $10,000 Champaign ISGS OFS 1999-5 Champaign= 19300
Arsenic Occurrence & Distribution in the Central Mahomet Aquifer WQ Oct-97 Oct-01 Warner (USGS) $100,000 F USGS   Champaign, Ford, Piatt, DeWitt, Macon, McLean, Logan Ground Water, V39, No 3, 433-442; USGS WRI 03-4103  
Land-use Impacts on Shallow (<100 ft) GW in the area of the Mahomet Buried Bedrock Valley WQ Oct-96 Oct-00 Groschen (USGS), Warner (USGS), Morrow (USGS) $500,000 F USGS   Champaign, Ford, Piatt, DeWitt, Macon, McLean, Logan USGS Circular 1209, JAWRA paper in press  
DeWitt-Piatt Co. Groundwater Geology Phase 2 G Jan-96 Jun-00 D. Larson & Herzog (ISGS) $206,500 L Mahomet Valley Water Authority $100,000 DeWitt, Piatt, Macon ISGS EG 155 DeWitt= 103,250 Piatt= 103,250
Mason-Tazewell Counties Precipitation & Water Level Networks H Jan-96 current Wilson, Wehrmann, others (ISWS) $241,489 L Imperial Valley Water Authority   Mason, Tazewell ISWS CR 597, 615, 625, 646, 2000-12, 2001-15, 2002-07 Mason= 181117 Tazewell= 60372
Danville Supplemental Water Supply G, H Jun-95 1997 D. Larson (ISGS), J. Kempton (ISGS), S. Meyer (ISWS) $0 S   $107,292 Vermilion ISGS/ISWS Coop 18  
Groundwater Quality Assessment of the Mahomet Aquifer WQ Jan-95 1995 Holm (ISWS) $82,000 S EPTF   McLean, Logan, Tazewell ISWS CR-579  
National Water-Quality Assessment (NAWQA) - water quality in the deep glacial drift aquifer (Mahomet Aquifer) WQ Oct-94 current Groschen (USGS), Warner (USGS), Morrow (USGS) $300,000 F USGS   Champaign, Ford, Piatt, DeWitt, Macon, McLean, Logan USGS Circular 1209  
Drilling and Observation Well Construction in Mahomet East G, H, WQ Jul-94 Jul-98 Burch (ISWS) $300,000 S Aquifer Assessment   Champaign, Ford, Iroquois, Vermilion    
Groundwater Flow Modeling in Northern Vermilion County G, H Jul-94 May-95 A. Marsh (UI), Roadcap (ISWS) $3,000 L Consumers Illinois Water   Vermilion MS Thesis, UIUC, Civil Engineering Vermilion= 3000
DeWitt-Piatt Co. Groundwater Geology Phase 1 G Jul-94 Sep-96 B. Herzog (ISGS), J. Kempton (ISGS) $18,000 L Mahomet Valley Water Authority $15,000 DeWitt, Piatt, Macon ISGS OFS 1996-9 DeWitt= 9,000 Piatt= 9,000
McLean-Tazewell (McTaz) Study G, H May-93 Sep-98 D. Larson (ISGS), Herzog (ISGS), Wilson (ISWS), Roadcap (ISWS), Farnsworth & Wylie (drilling) $750,000 L Long-Range Water Plan Steering Committee $150,000 McLean, Tazewell ISWS/ISGS Coops 17, 17A & 19 McLean= $750000
DeWitt-Piatt Co. Water Level Mapping  H Jan-93 1995 Anliker (ISWS), Sanderson (ISWS) $185,000 L Mahomet Valley Water Authority   DeWitt, Piatt ISWS CR 589 DeWitt= 92,500 Piatt= 92,500
Confluence of the Mackinaw & Mahomet Bedrock Valleys/ Aquifer Assessment H Jan-92 1994 Wilson (ISWS), Kempton (ISGS), Lott (ISWS) $141,575 S Aquifer Assessment & IDNR/OWR     ISWS/ISGS Coop 16  
3-D Mapping of East-Central Illinois G Jan-91 1996 Soller (USGS), Kempton (ISGS), Berg (ISGS) $135,636 F USGS $100,000 Champaign, DeWitt, Ford, Iroquois, Logan, Macon, McLean, Piatt, Sangamon, Tazewell, Vermilion USGS Investigations Series Map I-2669  
Geochemistry of the Mahomet Aquifer  WQ Nov-90 current Panno (ISGS), Hackley (ISGS) $46,000 S U of I, IDNR- EPTF, IBHE. $250,000 Champaign, DeWitt, Ford, Iroquois, Logan, Macon, McLean, Piatt, Tazewell, Vermilion Ground Water V32 No4, 591-604  
        TOTAL FUNDING $4,201,168   Total In-Kind $856,926      
        Total Local Funding $2,401,908   mostly State GRF      
        Total State Funding $1,367,960            
        Total Federal Funding $431,300