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<br />. ~ , I <br /> <br />Part 2 <br /> <br />Wellhead Protection - Centerville <br /> <br />Appendix 2 <br />MDH Source Water Assessment <br /> <br />SOURCE WATER ASSESSMENT FOR CENTERVILLE* <br /> <br />10 Number: 1020036 Facility Contact: <br />Todd Peterson. (651) 429-4750 <br />City of Centerville <br />1880 Main Street <br />Centerville, MN 55038 <br /> <br />MOH Contact <br />Art Persons, (507) 292-5138 <br />18 Wood Lake Drive Southeast <br />Rochester, MN 55904 <br />artpersonS@health.state.mn.us <br /> <br />status of the Source Water Protection Plan: <br />The water supply system is preparing a protection plan for the wellhead protection area(s) that have been <br />approved by the Minnesota Department of Health under provisions of Minnesota Rules Chapter 4720. <br /> <br />Source Water Protection Area (SWPA) - <br />Yes - A Source Water Protection Area has been designated for this well. <br /> <br />Description of the source water - The water supply for Centerville is obtained from 2 primary well. Well <br />depth (in feet), well status, aquifer(s) used. and sensitivity of the source(s) of drinking water are listed in the <br />following table. <br /> <br /> <br />ulfer Sensltlv <br />High <br />High <br /> <br /> <br />Well construction assessment - - The water wells used by the Centerville meet current standards for <br />construction and maintenance. These factors do not contribute to the susceptibility of the source water to <br />contamination. <br /> <br />Well Sensitivity - Well sensitivity refers to the integrity of the well due to its construction and maintenance. <br />It is based on the results of the well construction assessment. It can be one of the following: <br />(1) The well is susceptible to contamination because it does not meet current construction standards or no <br />information about well construction is available, regardless of aquifer sensitivity. <br />(2) The well is not susceptible because It meets well construction standards and does not present a pathway <br />for contamination to readily enter the water supply. <br /> <br />Aquifer Sensitivity - Aquifer sensitivity refers to the degree of geological protection afforded the aquifer(s) <br />used by the public water supply. <br />High - The aquifer is considered to exhibit a high sensitivity to contamination because of the local geological <br />setting. <br /> <br />Source Water Susceptibility - Source water susceptibility refers to the likelihood that a contaminant will <br />reach the source of drinking water. It reflects the results of assessing well sensitivity, aquifer sensitivity, and <br />water quality data. <br />The source of drinking water is considered susceptible because one or more wells exhibit a high sensitivity. <br />High - The source water is considered to be susceptible because of the tritium content of the well water in <br />bedrock <br /> <br />Contaminants of concern - The following statement summarizes the potential contaminants for which a <br />source of drinking water may be at risk: . <br />One or more contaminants regulated under the federal Safe Drinking Water Act for this public water supply <br />system have been detected in the source water. However, the water supplied to users meets state and <br />federal drinking water standards for potability. For further information, please contact the MDH <br />representative listed at the beginning of this assessment. <br /> <br />*Adapted from Minnesota Department of Health Source Water web page (7I3l2OO7) <br />