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1 KENO TO: Mayor and City Council <br />FROM: Director of Public Works/Community Development <br />DATE: November 12, 1982 <br />SUBJECT: WATER METER SERVICE PROGRAM <br />The water meter service program through November 9, 1982, has <br />tested 258 meters. Servicing and testing has shown that only 29% <br />(approximately 75 meters) were in acceptable operating condition. <br />The balance of the meters had problems ranging from minor leaks, <br />to plugged with manganese, to radical metering. One meter was in <br />error 54 percent at a flow rate of 10 gallons per minutes. <br />Thirty-four meters were found to be inoperative or providing <br />erroneous readings. Of the 34 bad meters, 26 of them were Corad <br />meters installed between 1973 and 1977. The system at the start of <br />the study had 356 Corad meters. The major cause of erroneous <br />readings appears to be manganese deposits in the meters. These ' <br />deposits are significantly worse southerly of Highway 10. The Corad <br />meter tests ranged from 3-4 percent to 54 percent in error with 12 <br />_ meters off more than 10 percent. <br />Review of the water billing records for the 26 corad meters indicates <br />annual water useage of 38,000 gallons to 275,000 gallons. The aver- <br />age water consumption for the 26 Corad meters is approximately <br />130,000 gallons per year. <br />If a meter were off 15 percent, the estimated annual overcharge would <br />range from $3.15 to $22.70 per year. The average annual overcharge <br />would be $10.75 per year. For the approximately 100 corad meters <br />southerly of Highway 10, this could add up to $1,075 per year in over- <br />charge. Staff would like direction from the Council on the following <br />items: <br />1) How should the possible overcharge be handled with the <br />customers. <br />2) Mr. Groberg has approximately 24 days of employment left. <br />All 24 days will not be necessary to finish the balance <br />of the service on 42 meters. Should Mr. Groberg concentrate <br />on removing as many Corad meters as time and meter supplies <br />allow? <br />3) Does the Council wish to modify the meter service program <br />for 1983? <br />Nap exhibits will be available November 15, 1982, to illustrate <br />testing results and meter locations. If you have any questions, please <br />contact me. <br />JCJ/bc <br />