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<br /> .' <br /> . <br /> CITY OF ARDEN HILLS <br /> MEMORANDUM <br /> . ================================================================= <br /> DATE: December 3, 1990 <br /> TO: Mayor and City council <br /> FROM: Gary R. Berger, city Administrator <br /> SUBJECT: Water District System Losses <br /> ================================================================= <br /> Attached is a memo from city Engineer Maurer analyzing the <br /> system-wide water loss for the city of Arden Hills and a graph <br /> from Finance Committee member Tom Steele summarizing the annual <br /> loss. <br /> The problem of water loss was first brought to the staff's <br /> attention in March of this year. A sub-committee of the Finance <br /> Committee, while conducting a study of water utility rates, <br /> determined that there was approximately 110 million gallons of <br /> water lost per year. The committee determined that <br /> approximately 25% of the water purchased from Roseville was not <br /> being billed to customers. They projected that if 90% of the <br /> water purchased in 1989 had been billed to customers, at the <br /> . current rate of $1.27/thousand gallons, the revenue would have <br /> increased $82,500. <br /> Staff, in conjunction with the Finance Committee, determined <br /> that a program of meter calibration and certification was <br /> necessary for large commercial accounts in order to isolate and <br /> identify the problem. <br /> Staff began by checking with Roseville regarding the three <br /> master meters. Roseville calibrates and certifies them <br /> annually. Later this year, the Finance Committee recommended <br /> that some type of "bounty" be applied to help identify the <br /> problem of the water loss. <br /> The bounty would apply to MSA, or other engineering companies <br /> that would be interested in studying and analyzing the problem. <br /> The company and the City would split the revenue (bounty) saved <br /> in 1990 by identifying the loss. It soon became apparent that <br /> MSA should conduct this study, since they are familiar with the <br /> City's water system. <br /> The attached MSA report analyzes several areas which would <br /> result in a water loss. It recommends that three actions be <br /> taken. First, to calibrate and certify the city's 22 largest <br /> commercial accounts, which represent approximately 50% of the <br /> . water used in the city's system. <br />