Agenda - Council - 01/14/1986 - Laserfiche WebLink

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m m MJnnesota Pollutio I _5' ! I Mrs. Susan Beale 14851 blorthwest Sunfish Lake Boulevard . Ramsey, Minnesota 55303 I Dear Mrs. Beale: I lhomas Kalitowski has asked me to respond to the questions which you raised to him in a recent conversation concerning the use of a water filtration system on your residential well. Your interest in such a system was prompted by the m proximity of your home to the Anoka Municipal Sanitary Landfill (Landfill). As you know, recent sampling of your well by Minnesota Pollution Control Agency {MPCA) staff indicates that your well has not been affected by the Landfill. The results of this sampling were forwarded to you in a December 10, 1985 letter m from staff. my Currently, numerous home filtration systems are available from various m manufacturers. The capabilities of these systems are likely to vary signifi- · cantly due to differences in' size, design, maintenance schedules and filter materials. Some manufacturers have test data available which indicate the m efficiency of their system in reducing or removing specific compounds under controlled laboratory conditions. I I I Unfortunately, these laboratory data may not be sufficient to evaluate if a system is appropriate for use on a well, such as yours, which is near a waste disposal facility. A landfill can potentially release a wide variety of corn- .pounds to ground water. A filtration system which can effectively remove one type or. category of compounds may not effectively remove another type and thus may not be appropriate for use near a landfill. Even if a manufacturer demon- strates .that a system removes all compounds which have been released by a given landfill,' it is possible in the future the landfill will release compounds which cannot ~removed by the system. m m A critical issue in the use of any filtration system is the maintenance of the system. Filtration systems have a finite ability to capture contaminants. Once the filter's capacity is reached contaminants pass through the system and enter the residential water supply. This may occur without the homeowner noticing it as many contaminants cannot be detected by smell or taste at low concentrations. m Phone: 1935 West County Road B2. Roseville, Minnesota 55113-2785 Regional Ollices o Duluth/Bfainerd/Delroil Lakes/Marshall/Rochester Equal OpP, O~'lu~iil¥ F'mptoye.~