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Recommendation <br /> Staff s recommendation is to continue with the complete separation of stormwater from the <br /> sanitary sewer as given in Alternative 3 using the Fairview route option. Additional factors to <br /> consider: <br /> 1. There will be no risk of future USEPA requirement for full separation. <br /> 2. There is a benefit to SDD in reducing flows requiring treatment. <br /> 3. Support from current IDOT personnel for the Alternate 3 Fairview route that is easier to <br /> construct. <br /> 4. Potential for future I&I projects discharging to sewers constructed under Alternate 3. <br /> 5. There are possible public safety or neighborhood concerns with a detention pond in a <br /> residential area. <br /> 6. There is the risk of more intensive stormwater pre-treatment requirement in the future <br /> based on the expected storm water pollutant loading. <br /> Alternative 5a could be made allowable under IEPA and USEPA regulations;however,it is an <br /> approach that none of the regulatory agencies prefer. The factors in support of this alternative <br /> are generally related to cost savings and reduced construction. <br /> Page 13 <br />