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0^ <br />TO: <br />FROM: <br />DATE: <br />Mayor and City Council <br />Ron Moorsc, City Administrator <br />September 22, 1995 <br />SUBJECT: Council Update <br />1. <br />2. <br />IPetro Fund reimbursement for fuel leak clean-up at old City Hall site. The City has <br />received reimbursement from the Petro Fund in the amount of $30,418.81 as the first and <br />largest installment of the reimbursement for the city ’s costs related to the clean up of the <br />underground fuel storace tanks at the old City Hall. There is additional work to be done <br />and expenses to be incurred related to the monitoring wells on the site. When this work <br />is completed a follow-up application for additional reimbursement will be made to the <br />petro fund. <br />Water plant rehabilitation report. The city has received ami reviewed the preliminar> <br />report regarding the rehabilitation of the city ’s water plant. The report includes several <br />suggestions for operational changes to improve the functioning of the plant. The report <br />also identifies the major areas needing rehabilitation. <br />The two main components of the water plant are the iron removal system and water <br />softening system. The iron removal filter unit is potentially the most expensive, <br />depending on the condition of its various internal components which have not yet been <br />inspected" Bonestroo will provide a plan for investigating the condition of the various <br />components of the iron removal filter unit. <br />Although the water softening unit does not require expensive repairs, there are problem <br />areas related to the water softening process. One problem is that a large amount of water <br />is flushed into the sanitary sewer as part of the water softening cycle. This is a <br />significant expease to the city. Also, although the city softens the water many residents <br />also have water softeners in their homes. This .-ises wo issues; <br />1 ) When both the city and the residents soften water the water acmally gets too soft <br />which causes the water to dissolve copper from th^ residential water lines causing <br />a problem with the amount of copper in residential drinking water. <br />2.) If a majority of the city ’s water customers are using water softeners, the city ’s <br />water softening may be redundant. <br />A survey of the city ’s water customers is currently underway to detennine how many <br />homes have water softeners. This survey will provide infonnation to assi.st in <br />determining whether the city should stay in the water softening business, or in