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• LILLTE12,11 MINNESOTA DEPARTMENT OF HEALTH <br /> MDHSECTION OF DRINKING WATER PROTECTION <br /> DEPARTMENT OF N A[1N Public Water Supply Inventory Report <br /> %tel P <br /> System Name: Elk River Survey Date: 12/21/2016 <br /> PWSID: 1710004 Surveyor: Kim Larsen, P.E. <br /> System Contact: Eric J.Volk PWS Type: Community M <br /> Treatment Information -- ------------ _ -- -----�— -- <br /> TREATMENT PLANT#2 <br /> Type: Treatment Plant Source Water: Groundwater <br /> Status: Active Design Capacity: 1,000 Gallons per Minute <br /> Availability: Primary Emergency Capacity: <br /> Operating Rate: 650 Gallons per Minute <br /> Treatment Objective Treatment Process Mechanism <br /> Disinfection Chlorine/Gas <br /> Fluoride(Z) Fluoridation/Hydrofluosilicic acid <br /> Iron removal Filtration(Pressure)/Anthracite/Greensand <br /> Oxidation-chemical/Chlorine <br /> Manganese removal Filtration(Pressure)IAnthracite/Greensand <br /> Oxidation-chemical/Sodium permanganate <br /> TREATMENT PLANT#3 <br /> Type: Treatment Plant Source Water: Groundwater <br /> Status: Active Design Capacity: 1,000 Gallons per Minute <br /> Availability: Primary Emergency Capacity: <br /> Operating Rate: 875 Gallons per Minute <br /> Treatment Objective Treatment Process Mechanism <br /> Disinfection Chlorine/Gas <br /> Fluoride(Z) Fluoridation/Hydrofluosilicic acid <br /> Iron removal Filtration(Pressure)/Anthracite/Greensand <br /> Oxidation-chemical/Chlorine <br /> Manganese removal Filtration(Pressure)/Anthracite/Greensand <br /> Oxidation-chemical/Sodium permanganate <br /> TREATMENT PLANT#4 <br /> Type: Treatment Plant Source Water: Groundwater <br /> Status: Active Design Capacity: 1,000 Gallons per Minute <br /> Availability: Primary Emergency Capacity: <br /> Operating Rate: 1000 Gallons per Minute <br /> Treatment Objective Treatment Process Mechanism <br /> Disinfection Chlorine/Gas <br /> Fluoride(Z) Fluoridation/Hydrofluosilicic acid <br /> Iron removal Filtration(Pressure)/Anthracite/Greensand <br /> Oxidation-chemical/Chlorine <br /> Manganese removal Filtration(Pressure)/Anthracite/Greensand <br /> • <br /> Oxidation-chemical/Sodium permanganate <br /> 12/27/2016 Page 5 of 9 <br /> 156 <br />