Water Committee Agenda and Packet 2015 04 03

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2 WATER DEMAND AND HISTORICAL DEMAND MANAGEMENT • Louisville Municipal Code established development Design Standards & Guidelines for commercial, industrial, and mixed use developments. Subirrigation of turf areas, minimizing runoff, and use of local and drought- resistant plants are also incorporated in the guidelines. • New state law phases in sale of only WaterSense3- labeled fixtures by 2016. • City adopted the International Code Council (ICC) 2012 International Building Code (2012 IBC) that requires new construction and remodels meet these standards. 2.3.4 Public Information and Education The City communicates about water use and conservation with their customers using the following tools and methods: • Regular newsletter distributed. • Water conservation information available on the City's website. • A Water Committee made up of City Council members; meeting agendas are posted and the public are welcome at any meeting. The purpose of the Committee is to provide information to the City Council about current City utility activities, projects, and water supply. • Educational opportunities including school tours of water infrastructure facilities. • Coordinated messaging with other local cities and Boulder County for consumer message and campaign development, particularly in times of drought. • Instructional workshops for customers on relevant topics such as irrigation efficiency and management. • Landscape design and maintenance workshops (through the Center for Resource Conservation [CRC]). 2.4 Demand Forecast 2.4.1 Summary As part of the water efficiency planning process, three distinct water demand forecasts were prepared. First, a baseline demand forecast starting from 2014 and going out to 2032 was prepared. This baseline forecast did not include the impact of water conservation of any kind, even passive water savings, and was developed only to assess the adequacy of future supplies under reasonable worst -case conditions and to demonstrate the impact of anticipated efficiency improvements. Baseline treated water production in 2014 was estimated to be 1,417.7 MG and under the baseline forecast increased by 558.4 MG resulting in treated water production of 1,943.9 MG in 2032. A second water demand forecast through 2032 includes the impact of passive efficiencies from Colorado legislation, and federal plumbing codes and standards. This forecast estimated that City water production would increase to 1,777.7 MG in 2032, or 166 MG less than they would be under the baseline forecast. A third forecast was prepared that includes the anticipated impact the City's planned water efficiency program measures described in this plan. Under this forecast, water production increases to 1,707.0 MG in 2032. Compared with the original baseline forecast, if the elements of this plan are fully realized, then it is estimated that water demand at 2032 will be reduced by 236.9 MG (0.65 mgd) as result of passive and active water conservation measures in the City. These forecasts form the core of the Water Efficiency Plan and are the forecasts on which estimated conservation savings are based. 3 WaterSense is a U.S. Environmental Protection Agency (EPA) partnership program that helps people save water with a product label and tips for saving water around the house. Products carrying the WaterSense label perform well, help save money, and encourage innovation in manufacturing. 2 -12 WBG071714052946BSO