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Public Hasllh Nursing Services <br />Environmental Health Service:, <br />Mental Heallh. Mental Relardehon. <br /> Chemical ~ependency Serwces <br /> <br /> COUNTY OF ANOKA <br /> COMMUNITY HEALTH & SOCIAL SERVICES DEPARTMENT <br /> FOURTH FLOOR <br />COURTHOUSE ANOKA, MINNESOTA 55303 612-421-4760 <br /> Ext. 1390 <br /> Falllily & Chll~lrel~'s ~er¥ice~ <br /> Volunteer Services <br /> Developmental Achievemenl Centers <br /> <br />City of Ramsey <br />c/o Mayor Gary Meitman <br />16490 Uranium St.N.W. <br />Rasmey, Mn. 55303 <br /> <br />February 14, 1986 <br /> <br />Dear Mayor Meitman: <br /> <br />Commissioner Maas has asked that I brief you concerning some unusual resi- <br />dential water supply data which we have recently noted in a portion of the <br />City of Ramsey. The area in question involves approximately 20-25 homes <br />on 159th Lane and 161st Street between Variolite and County Road 83. <br /> <br />In response to a concern raised by a well driller we reviewed water test <br />data and well log data for this area. The well log data (8 wells) indicates <br />that the wells are deep wells 70 to 80 feet in depth. The water test data <br />(4 wells) indicates the presence of elevated nitrates ranging from 3.5 to <br />27 milligrams per liter. <br /> <br />These findings are of concern because natural soil mineral deposits of nitrate <br />are not known to exist in this portion of the state. We would not expect to <br />find nitrate present in a water supply in more than a trace amount (less than <br />1 milligram per liter). When nitrate is found in more than a trace amount in <br />this area it is most likely the result of impacts by on-site sewage systems <br />and/or the rapids infiltration of surface water. These sources of nitrate <br />are significant because of the many other contaminants associated with them <br />which may be hazardous and for which testing is not possible or practical. <br /> <br />Although this situation is not related to the landfill we feel that it should <br />be investigated further. We will be calling on these residents in the next <br />couple of weeks to obtain additional well construction information and samples. <br />We will keep you informed as to any further findings in this matter. <br /> <br />If you have any questions concerning this matter, please call on me. <br /> /~~~~Since. r. ely,' . . <br /> Robert M. Hutch-ison <br /> Director, Environmental Services <br /> <br />RMH:Jfs <br /> <br />cc: City Council <br /> Commissioner N. Maas <br /> David Hartle¥ <br /> Affirmative Action / Equal Oppo~unity Employer <br /> <br /> <br />