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national multiple family submetering and allocation billing program ...

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Sample Size<br />

A total of 36 surveys were sent to all water <strong>billing</strong> companies listed in the most recent<br />

roster from the National Submetering <strong>and</strong> Utility Allocation Association. A second mailing was<br />

sent to non-respondents. A total of 18 surveys (50% response rate) were completed <strong>and</strong><br />

returned.<br />

General Description of Billing Companies<br />

The 18 companies that responded to the survey send a combined total of 1,428,200<br />

individual bills per month. The largest company sends about 450,000 bills per month <strong>and</strong> the<br />

smallest about 2,500. The median was 36,000. Most of the companies began operating during<br />

the 1990s <strong>and</strong> 1997 was the median start date. The oldest company was started in 1984 <strong>and</strong> the<br />

newest in 2002. Just over 61% of the companies have a <strong>national</strong> clientele while the remaining<br />

39% are regionally focused. About 61% of the companies are bonded <strong>and</strong> 39% are not.<br />

Billing Method<br />

The overwhelming majority of <strong>billing</strong> companies surveyed (94.7%) offer a combination<br />

of <strong>submetering</strong>, RUBS, <strong>and</strong> hot water hybrid <strong>billing</strong> methodologies. Only one company<br />

indicated that they provide RUBS <strong>billing</strong> exclusively. Approximately 44.7% of the bills sent out<br />

by respondents are to submetered dwellings, 48.6% of the bills go to RUBS units, <strong>and</strong> 6.6% of<br />

the bills are for hot water hybrid.<br />

RUBS Methods<br />

Many of the <strong>billing</strong> companies offer a wide variety of RUBS <strong>allocation</strong> methodologies to<br />

their customers. Billing based on the number of residents per unit was the most common<br />

<strong>allocation</strong> method followed by <strong>billing</strong> based on the area (square footage) of each dwelling unit.<br />

Table 4.20 shows the frequency of each methodology (percents add to more than 100% as<br />

respondents could give more than one answer). The “other” methods implemented included<br />

combinations of other <strong>allocation</strong> methods <strong>and</strong> other weighting factors customized on an<br />

individual property basis.<br />

Respondents indicated that the practice of subtracting common area water use <strong>and</strong>/or<br />

irrigation from RUBS customers bills is a fairly common practice with 55.6 percent reporting<br />

that they make this subtraction for all of their RUBS customers. Another 38.9 percent reported<br />

making this adjustment for “some” RUBS properties. Only one respondent (5.6%) reported<br />

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