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34 <br />Source & Management Considerations <br />Estimated <br />sustainable amount <br />available <br />Number of <br />municipal water <br />supply systems <br />currently supplied <br />by this source <br />• Vulnerability to contamination and related monitoring and <br />treatment requirements <br />• Additional federal and state protections in place <br />• Limited ability to manage and protect water quality within <br />the watershed <br />• Limited access to source and related distribution costs <br />• Funding challenges may include project phasing <br />opportunities, eligibility for funding sources, partnerships, <br />etc <br />Stormwater <br />• Drought <br />• Availability limited seasonally and by access to land for <br />collection and storage <br />• Vulnerability to contamination <br />• Regulatory limits to protect public and environmental health <br />• Water quality requirements for potential uses <br />• Inconsistent watershed rules <br />• Funding challenges may include project phasing <br />opportunities, eligibility for funding sources, partnerships, <br />etc <br />Less than 100 MGD <br />All <br />Reclaimed Wastewater <br />• Seasonality of some non -potable demand <br />• Geologic limitations on the effectiveness of reclaimed <br />wastewater water as a source for enhanced aquifer <br />recharge <br />• Public acceptance <br />• Regulatory limits to protect public and environmental health <br />• Funding challenges may include project phasing <br />opportunities, eligibility for funding sources, partnerships, <br />etc <br />Up to 250 MGD, the <br />average flow in <br />regional wastewater <br />treatment facilities <br />1: East Bethel <br />Limitations on sources <br />Groundwater <br />Although there are several aquifers in the region, they are not equally distributed. For example, some <br />communities in the western metro, such as Norwood Young America - do not have access to the <br />productive Prairie du Chien -Jordan Aquifer. Figure 15 illustrates the aquifer layers and their curved <br />shaped beneath the Twin Cities metropolitan area. <br />WATER SUPPLY MASTER <br />PLAN- Draft June 2015 <br />