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result of the significant growth occurring in the Redwood Sbores.ates RWC is now <br />nearing build -out, with less land avarlabl o fornew development However, RWC's <br />Community Development Services D vervumt expects sigmficsa increases m multiple - <br />family housing via redevelopment in the downtown area and new projects east of <br />Highway 101. From 2000 to 2020, RWC expects a 633 par w intxesse in undtiple. <br />family dwelling units. This comperes with only* 1.9 percent increase in single-family <br />units over the same period <br />The water use forecasts are based on normal local weather conditions. Actual future <br />water use will vary with abnormal temperature and rainfall, but this evaluation suggests <br />that annual water demand only varies by +/- 2 percent because of local weather. This <br />stability is largely a result of stability in local temperatures on an annual basis. Swings in <br />water demand are much more impacted by perceptions of water supply drought in the <br />Hetch Hetchy water system, such as those experienced in 1976/77 and 1991. <br />This evaluation also explores the issue of water use intensification. Rapid increases in <br />real estate prices and Heats can cause some water use customers to use existing space <br />more intensively (e.g., more persons per square foot} Over 1997 to 2000, analysis shows <br />RWC has experienced some water use intensifieatioa However, it is difficult to predict <br />the future trend of intensification. Hence, the forecasts generated here assume that the <br />intensification levels experienced in 2000 will remain constant over our 20- yearphuming <br />horizon. <br />Exhibit 2. Base Water Use Forecast <br />IDA61 <br />WOOD <br />l YA01lrMn Comwo rI <br />IzoDD <br />r <br />ID.Or 1 <br />f V Dr�or .rwW <br />D.Dr f <br />f <br />lA61 <br />1.Dr <br />D.Dr 1 <br />11DD as 1610 1611 Ion 161, M061 261 6110 M010 Miss 0616 <br />Page 2 <br />