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2. Unaccounted Water. Water audits are intended to identify, quantify, and verify water <br />and revenue losses. The volume of unaccounted -for water should be evaluated each <br />billing cycle. The AWWA recommends a goal of ten percent or less for unaccounted -for <br />water. Water audit procedures are available from the AWWA and MN Rural Water <br />Association. <br />Frequency of water audits: ❑ each billing cycle ® yearly ® other: Conducted when a leak is <br />suspected but not apparent. <br />Leak detection and survey. ❑every year ❑ every other year ® periodic as needed <br />Year last leak detection survey completed: Partial survey in 2006 <br />3. Conservation Water Rates. Plans must include the current rate structure for all <br />customers and provide information on any proposed rate changes. Discuss the basis for <br />current price levels and rates, including cost of service data, and the impact current rates <br />have on conservation. <br />Billing Frequency: ❑ Monthly ❑ Bimonthly ® Quarterly <br />❑ Other (describe): <br />Volume included in base rate or service charge: <br />Conservation Rate Structures <br />® Increasing block rate: rate per unit increases as water use increases <br />❑ Seasonal rate: higher rates in summer to reduce peak demands <br />❑ Service charge or base fee that does not include a water volume <br />Conservation Neutral Rate Structure <br />❑ Uniform rate: rate per unit is the same regardless of volume <br />Non - conserving Rate Structures <br />❑ Service charge or base fee that includes a large volume of water <br />❑ Declining block rate: rate per unit decreases as water use increases <br />❑ Flat rate: one fee regardless of how much water is used (unmetered) <br />Other (describe): <br />Water Rates Evaluated: ® every year n every years n no schedule <br />Date of last rate change: February 2006 <br />• <br />• <br />• <br />