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consult'n9 <br /> <br />engineers d vets f ed <br /> p.o. box j. osseo, minnesota 5536@ ~ (012) 425-2181 <br /> <br />civil <br />municipal <br />planning <br />environmental <br />land surveying <br />geotechnics <br /> <br />Mr. Lloyd Scbnelle <br />April 11, 1979 <br />Page Five <br /> <br />precisely when service will be available this projection can be made in a more <br />meaningful way within the year before service is promised. <br /> <br />"Description and location map of existing on-site sewage disposal <br />problems." <br /> <br />The City requires that sewage disposal problems be resolved before they become <br />public health problems, thus such a map would change from'day to day. Experience <br />would suggest that the greatest potential for problems exists in the older, <br />densely developed areas of the City, suchas the extreme southeast corner of the <br />City. It can be expected that the percolate from on-site systems is feeding <br />nutrients into the ground water continuously throughout the City. The extent to <br />which this affects the ground water quality is not known. <br /> <br />In the case of the Urban Planning Area, sanitary sewer service is planned as <br />an initial urban service and not as a response to sewage disposal problems. <br /> <br />"Identification of areas unsuitable for on-site systems." <br /> <br />Chapter 170.04, the Soils chapter of the City COde is appended to the Comprehensive <br />Sewer Plan. This ordinance addresses 'the entire issue of soil suitability and the <br />basis for controlling subdivision of land to prevent construction of on-site <br />systems in unsuitable soils. <br /> <br />"Minimum design standards for con~rot of inflow/infiltration into the <br />local sewer system." <br /> <br />Sanitary sewer service is not expected 'before 1984. These controls are appropriately <br />part of a sewer ordinance that should be enacted at some time before a local <br />sewage collection system is constructed and they should be a part of the sanitary <br />sewer construction specifications. <br /> <br /> "Description of any anticipated industrial sewage discharge." <br /> <br />In all likelihood it will be liquid and it will contain variable amounts of various <br /> <br />keith caswell jr. ~] d~arrell schneider ~J richard sha <br /> <br /> <br />