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Mt. Simon-Hinckley Aquifer <br />Challenges <br /> <br />Deeper static water level (approx. 100 feet deeper) means <br />higher pumping costs to operate well pumps <br /> <br />Commonly contains combined Radium 226+228 that <br />exceeds the MDH maximum contaminant level (MCL). <br />Existing greensand filters would remove radium but the <br />filters would eventually become radioactive and the media <br />would be classified as a hazardous waste when replaced <br />with new media. <br /> <br />Option 3 – Purchase water from St. Paul Regional <br />Water Services (SPRWS) via the City of Roseville’s <br />water distribution system <br />SPRWS supplies water to cities of St. Paul, Roseville, <br />Falcon Heights, Lauderdale, Maplewood, Saint Paul, <br />West St. Paul, and Mendota Heights <br />Supplied by a combination of surface water and <br />ground water sources <br />70 percent of surface water supplied from Mississippi <br />River and Rice Creek Chain of Lakes <br />Water is softened <br />9