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TECHNICAL MEMORANDUM <br /> August 2017 Metersense Water Interval Data <br /> City of San Marcos <br /> DATA SUMMARY <br /> • On average the highest demand hours are between 9pm (21st hour)and lam (la'hour). <br /> • The peak hour demand occurred on 215`August at 10pm (22nd hour),at a value of 365,925 <br /> gallons (6,099 gpm). <br /> • The average hourly demand for August was 245,249 gallons. <br /> • The average daily total demand for August was 5,885,974 gallons. <br /> • The highest total daily demand was 6,851,074 gallons on the 1st of August <br /> • During August the range for total demand stayed between 4,769,639 and 6,851,074 gallons. <br /> SERVICE UNIT EQUIVALENTS <br /> As previously indicated, the City has defined one SUE to be 0.4 gpm. Therefore to determine the total <br /> number of SUEs in the system as of August 2017,the peak hour demand of 6,099 gpm by 0.4 results in a <br /> total of 15,247 SUEs. <br /> FUTURE CALCULATIONS <br /> In the future when the City wants to determine the number of SUEs that it is serving, it is recommended <br /> that the same methodology be used; namely, that the water consumption data from the smart meters be <br /> used to determine the peak hour demand that occurred in the most recent month of August. The data <br /> should be verified to identify any obvious outliers and then the peak hourly demand (expressed in gpm) <br /> be divided by 0.4 gpm. <br /> 4 of 4 <br /> m:lprotects10600018-01\impact fees -capacitylsan marcus 2017 sue determination.docx <br />