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<br />Part 2 <br /> <br />City of Centerville - Wellhead Protection Plan <br /> <br />Figure 1 <br />DRINKING WATER SUPPLY MANAGEMENT AREAS <br /> <br /> <br />10-year Wellhead Protection Area (WHPA) <br />The wellhead protection areas are determined using a model that simulates groundwater flow <br />and the capture zone for each well over a period of 10 years. <br />Drinking Water Supply Management Area (DWSMA) Vulnerability Rating <br />The Drinking Water Supply Management Areas were established following delineation of the <br />WHPAs. DWSMAs boarders are based on easily identifiable landmarks including property <br />lines, streets, and ditches Centerville's DWSMAs extend into the City of Lino Lakes <br />Vulnerability Rating <br />The vulnerability of Centerville's municipal wells and surrounding groundwater aquifer to <br />contamination has been determined through evaluation of well construction and aquifer <br />characteristics. <br />Centerville Well #1 is designated to be non-vulnerable. <br />Centerville Well #2 is desianated to be vulnerable. <br />