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58 <br />exercise can inform a broad range of discussions among local water supply providers and other <br />partners about potential water supply approaches. Working collaboratively with the local providers will <br />be the pathway to success in the area of sustainability. <br />Other sources of uncertainty <br />Uncertainty regarding predictions of future climate, technological capabilities and limitations, and <br />future priorities are also important factors to consider when planning approaches to supply future <br />water needs. <br />For example, longer growing season and increased risk of drought may change the region's water <br />demand, sustainable limits on water supply sources, the severity and types of issues affecting the <br />region's water supply sources, and the priorities set by decision makers. <br />The 2014 Minnesota State Hazard Mitigation Plan concludes that it is clear that temperatures are rising <br />and weather patterns are changing, with an increase in severe weather events and extreme <br />precipitation. The impacts of this change on water supplies are not fully understood, however. <br />Many difficult -to -predict technological changes have significant implications for sustainable water <br />supply management. Examples include the development of new chemicals which may or may not lead <br />to new drinking water quality standards, advancements in our water quality testing laboratories that <br />allow contaminants to be detected at very low levels, and new water treatment technologies that may <br />allow for increased use of water sources previously thought to be unusable. <br />WATER SUPPLY MASTER <br />PLAN- Draft June 2015 <br />