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2018-09-26 CC Set Agenda
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2018-09-26 CC Set Agenda
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Local Water Supply Plan—Centerville <br /> PART 3. WATER CONSERVATION PLAN <br /> Minnesotans have historically benefited from the state's abundant <br /> water supplies, reducing the need for conservation.There are <br /> however, limits to the available supplies of water and increasing <br /> threats to the quality of our drinking water. Causes of water supply <br /> limitation may include: population o ulation increases economic trends, <br /> uneven statewide availability of groundwater, climatic changes, and <br /> degraded water quality. Examples of threats to drinking water <br /> quality include: the presence of contaminant plumes from past land <br /> I'I'I use activities, exceedances of water quality standards from natural <br /> and human sources contaminants of emerging concern and <br /> g g <br /> increasingpollutant trends from nonpoint sources. <br /> p p <br /> There are many incentives for conserving water; conservation: <br /> • reduces the potential for pumping-induced transfer of contaminants into the deeper aquifers, <br /> which can add treatment costs <br /> • reduces the need for capital projects to expand system capacity <br /> • reduces the likelihood of water use conflicts, like well interference, aquatic habitat loss, and <br /> declining lake levels <br /> • conserves energy, because less energy is needed to extract, treat and distribute water (and less <br /> energy production also conserves water since water is use to produce energy) <br /> • maintains water supplies that can then be available during times of drought <br /> It is therefore imperative that water suppliers implement water conservation plans. The first step in <br /> water conservation is identifying opportunities for behavioral or engineering changes that could be <br /> made to reduce water use by conducting a thorough analysis of: <br /> • Water use by customer <br /> • Extraction, treatment, distribution and irrigation system efficiencies <br /> • Industrial processing system efficiencies <br /> • Regulatory and barriers to conservation <br /> • Cultural barriers to conservation <br /> • Water reuse opportunities <br /> Once accurate data is compiled, water suppliers can set achievable goals for reducing water use. A <br /> successful water conservation plan follows a logical sequence of events.The plan should address both <br /> conservation on the supply side (leak detection and repairs, metering), as well as on the demand side <br /> (reductions in usage). Implementation should be conducted in phases, starting with the most obvious <br /> and lowest-cost options. In some cases one of the early steps will be reviewing regulatory constraints to <br /> water conservation, such as lawn irrigation requirements. Outside funding and grants may be available <br /> for implementation of projects. Engage water system operators and maintenance staff and customers <br /> in brainstorming opportunities to reduce water use. Ask the question: "How can I help save water?" <br /> 21 <br /> 66 <br />
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