Agenda - Planning Commission - 12/01/2016

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Local Water Supply Plan Template July 8, 2016 Strategy to reduce total business, industry,agricultural demand Timeframe for completing work ❑ Compare facility water use to related industry benchmarks, if available(e.g., meat processing,dairy,fruit and vegetable, beverage,textiles, paper/pulp, metals,technology, petroleum refining etc.) ❑ Install water conservation fixtures and appliances or change processes to conserve water ❑X Repair leaking system components(e.g., pipes,valves) Leaks are investigated and repaired. ❑ Investigate the reuse of reclaimed water(e.g.,stormwater, wastewater effluent, process wastewater, etc.) ❑X Reduce outdoor water use(e.g.,turf replacement/reduction, The City is open to installation of rain gardens rain gardens, rain barrels,smart irrigation,outdoor water use on commercial projects meters,etc.) ❑ Train employees how to conserve water ❑X Implement a notification system to inform non-residential The odd/even signs are posted in locations customers when water availability conditions change. where residents and commercial customers see them. ❑ Rainwater catchment systems intended to supply uses such as water closets, urinals,trap primers for floor drains and floor sinks,industrial processes,water features,vehicle washing facilities,cooling tower makeup,and similar uses shall be approved by the commissioner. Proposed plumbing code 4714.1702.1 http://www.dli.mn.gov/PDF/docket/4714rulg.pdf ❑ Describe other plans: Objective 4:Achieve a Decreasing Trend in Total Per Capita Demand Include as Appendix 8 one graph showing total per capita water demand for each customer category (i.e., residential, institutional, commercial, industrial) from 2005-2014 and add the calculated/estimated linear trend for the next 10 years. Describe the trend for each customer category; explain the reason(s) for the trends, and where trends are increasing. Water demand has been decreasing over the last 10 years. Non-essential use is not declining as fast as Residential or C/I/I. Residential has shown the largest decrease which correlates to the rate structure change and requiring better topsoil for all new construction green areas. Objective 5: Reduce Peak Day Demand so that the Ratio of Average Maximum day to the Average Day is less than 2.6 Is the ratio of average 2005-2014 maximum day demand to average 2005-2014 average day demand reported in Table 2 more than 2.6? Yes ❑x No ❑ Calculate a ten year average (2005 —2014) of the ratio of maximum day demand to average day demand: 2.74 The position of the DNR has been that a peak day/average day ratio that is above 2.6 for in summer indicates that the water being used for irrigation by the residents in a community is too large and that efforts should be made to reduce the peak day use by the community. 42