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Bloomington’s Water Supply: System Overview and Planning. by: Rick Twait, Superintendent of Water Purification City of Bloomington Mahomet Aquifer Consortium Meeting No. 56 October 22, 2007. Bloomington, Illinois Water Utility. 77,000+ Customers 75,000 City Residents
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Bloomington’s Water Supply: System Overview and Planning by: Rick Twait, Superintendent of Water Purification City of Bloomington Mahomet Aquifer Consortium Meeting No. 56 October 22, 2007
Bloomington, IllinoisWater Utility • 77,000+ Customers • 75,000 City Residents • 2,200+ Customers from Villages and Public Water Districts • 11,400,000 Gallons Average Daily Pumpage • Approximately 80% Residential Consumption • BNWRD Discharges ~20 mgd
Bloomington’s Two Water Supply ReservoirsLake BloomingtonEvergreen LakeConstructed in 1929 Constructed in 1971Raised 5 feet in 1954 Raised 5 feet in 1995635 surface acres 900 surface acres8,760 acre-ft storage 15,480 acre-ft storage69.5 sq.mi. drainage area 41.1 sq.mi. drainage area70:1 drainage to surface area ratio 29:1 drainage to surface area ratio
Additional Watershed Area Due to Mackinaw River Pumping Pool
Acknowledgements Steve Stockton, Mayor, City of Bloomington Bloomington City Council, Tom Hamilton, City Manager Brian Brakebill, Deputy City Manager Craig Cummings, Director of Water Jill Mayes, Bloomington Water Treatment Plant Dr. John O’Connor, H2O’C Engineering Dr. Jack Wittman, Wittman Hydro Planning Associates The Staff of the Bloomington Water Treatment Plant and Water Department Our Water Customers