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WATER SUPPLY STRATEGIES – NEXT STEPSFEBRUARY 20, 2024  FOCUSENGINEERING, inc.FINDINGSWELL 2 TREATMENT FOR PFAS1) Well 2 production capacities are needed to meet peak summer demands untilWell6isoperational.2) Temporary IX treatment for PFAS at Well 2 is feasible.3) Permanent IX treatment for PFAS at Well 2 is dependent upon further evaluation and MDHapproval for long-term use of a pressure cartridge filter for iron and manganese (Fe/Mn)pretreatment.4) Treatment for PFAS at Well 2 using granular activated carbon (GAC) filter media is notfeasible.Limitedby building footprint and lack of sanitary sewer.5) Prefabricated trailer mounted systems are available for use in 2024.1) Evoqua: 450 gpm IX filters, six vessels per trailer, only one trailer available for 2024 (min. 6-mo. rental). Costs: $260kinitial fill and startup, $15k/mo rental, freight and demobilization at cost+30%2) WaterSurplus: 650 gpm IX filters, eight vessels per trailer, multiple trailers available for 2024. Costs: $141k initial filland startup, $27k/mo (two year rental rate), $3k demobilization.