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Roseville Public Works, Environment and Transportation Commission Agenda Item Date: August 28, 2018 Item No: 6 Item Description: Tiered Water Rate Analysis Background: At three of the recent Commission meetings, staff and the Commission discussed water rates and if the tiered structure should change in any way. The majority of the discussion has been whether the top -tiered rate should increase or if the threshold (30,000 gallons per quarter) should change. Attachment D contains the meeting minutes from previous Commission discussions on the topic. The current rate structure for water billing is as follows: 2018 Residential Utility Rates Water 55.80 2.25 2.50 2.70 Sewer 37.55 2.25 2.25 2.25 *per quarter standard service charge **Summer consists of June, July, August ***Consumption fee is billed per thousand gallons Staff worked with the Finance department to provide detailed information on residential water consumption between 2013-2017. The data was broken out by winter use and summer use showing the changes in use between seasons related to irrigation. This data is included in Attachment A. Overall water usage in Roseville shown in attachment B which shows a Some highlights from the data: • Overall residential water usage in the summer increases about 64% over winter consumption. • In the winter, only 2.3% of residential accounts are over 30,000 gallons. • In the summer, 11.0% of residential accounts are over 30,000 gallons. Overall, water consumption per capita for single family residents is estimated to be 51 GPD in the winter and 82 GPD in the summer.