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rnDEPARTMENT <br /> OF HEALTH <br /> PROTECTING, MAINTAINING & IMPROVING THE HEALTH OF ALL MINNESOTANS <br /> September 11,2019 <br /> Elk River Municipal Utilities <br /> c/o Mr. Troy Adams <br /> P.O. Box 430 <br /> Elk River, Minnesota 55330 - 5600 <br /> Gentlemen/Ladies: <br /> SUBJECT: Lead/Copper Tap Water Monitoring Report, PWSID 1710004 <br /> This letter is to report the results of your recent lead/copper monitoring that is required by the Safe <br /> Drinking Water Act. The results revealed the following 90th percentile levels: <br /> 90th percentile lead level =2 µg/1 (rounded as 0.002 mg/I). <br /> The action level for lead is 15.0 gill. <br /> 90th percentile copper level =276 µg/1 (rounded as 0.276 mg/I). <br /> The action level for copper is 1300 µg/1. <br /> Based on these results, your public water system has nat exceeded the action level for lead and has <br /> not exceeded the action level for copper. <br /> By federal rule, 40 CFR 141.85, you are required to provide the lead/copper results to persons served <br /> at the sites that were tested. In addition,you must provide them with an explanation of the health <br /> effects of lead/copper, list steps consumers can take to reduce exposure to lead/copper in drinking <br /> water,and water utility contact information. The notification must also provide the maximum <br /> contaminant level goals, the action levels for lead/copper. and the definitions for these two terms. <br /> Notification must be made within 30 days by U.S. Mail. If the residence is a rental property, both the <br /> occupant(s)of the residence and rental property owner must be notified. To assist you in meeting the <br /> notification requirements, we have enclosed a sample letter and a fact sheet on lead/copper in drinking <br /> water. All of the information contained in the sample letter is EPA required language and must be <br /> included in your letter and provided to the homeowner. If you would like to receive any of the <br /> enclosed documents via e-mail, please send your request to pauline.wuoti@state.mn.us. <br /> The lead/copper sampling site addresses are private data. This information was classified as <br /> "nonpublic"by the Minnesota Department of Administration in October 2004, upon the request of <br /> Minnesota Department of Health (MDH) and Minnesota community water supply systems. When <br /> notifying the persons served at the sites that were tested, provide them with the results for that address <br /> only. <br /> An equal opportunity employer <br /> 267 <br />