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F <br />• <br /> IV. NATIONAL DATA AND TRENDS <br /> National Comparison The average rate for wholesale systems <br /> responding to the AMSA survey was <br /> Comparing MCES's rates with rates of other $161.92. The rate for MCES reported in that <br /> municipalities is important to MCES. Those study was $141.04. <br /> rate comparisons help MCES assess its <br /> competitive position. MCES uses two rate Interpretation of survey data is difficult. <br /> surveys as sources of information to make Survey data may differ because of survey <br /> comparisons. The first is a study prepared wording and wording of responses, unique <br /> by the Raftelis Environmental Consulting rate-setting and operational strategies, and <br /> Group (1998 Water and Wastewater Rate other factors not covered by restricted <br /> Survey). The second is a triennial financial survey forms. Data about the rates charged <br /> study prepared by the Association of by other agencies will be more accurate if <br /> Metropolitan Sewerage Agencies (AMSA). the agency is contacted directly. However, <br /> for purposes of this study, the more <br /> The Raftelis Environmental Consulting significant conclusion is the level of Twin <br /> Group study showed that the average retail Cities area charges relative to charges in <br /> sewerage charge for a residential customer other areas. <br /> 1 of the largest US systems was $220 in 1998. <br /> The MCES rate, using the same volume National survey data do not address the <br /> assumptions,*was $216. For all systems question of why disparities exist, except to <br /> surveyed by Raftelis, the average per caution that given the many factors that <br /> household was $227. influence the cost of wastewater services, <br /> care should be taken in drawing conclusions <br /> Average Residential Sewerage Rates regarding the operations in a particular <br /> Twin Cities Average $216 community. <br /> National Average for all Systems One known disparity is the comparability of <br /> (Raftelis Survey) $227 Milwaukee's fees to others in the study. The <br /> National Average for Large fee structure for Milwaukee is based on <br /> Systems (Raftelis Survey) $220 operation costs only; debt service is paid <br /> through property tax assessments.As <br /> mentioned earlier, 38 percent of MCES's <br /> *The comparison is based on the systems'charges for metered water consumption of 1,000 cubic feet, or <br /> 7,480 gallons per month. <br /> Study of 1998 Sewerage Rates 11 <br /> 1 <br />