11/18/1993 BOARD OF HEALTH Minutes

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MINUTES November 18 , 1993 6 BOARD OF HEALTH situation with mounding systems and horizontal setbacks from wetlands. " "The report stresses that the horizontal setbacks from wetlands is not a critical factor in determining whether or not a system may or may not pollute. " "What is more critical is what goes in the ground and where it goes. " "We are treating the septic effluent in two ways. " "One with a multrum system which reduces the nitrates and secondly we are mounding the septic system to allow for better treatment than would be otherwise available on this lot due to the groundwa- ter conditions. " "We would be stripping out and replacing soils and would be building a system at ground level and mounding up around it. " "Nitrates will be greatly reduced. " "The system is basically a non-polluting system as bedroom space was reduced to two and the flow has been reduced as much as possible. " 1195' will be maintained from the edge of the vegetated wetland area. " "The septic system for Mr. McDonald's property has been designed with 4' above the groundwater with surface grading to contain the system within the lot and engineered retaining walls to support the prop- erty. " "The fill material will provide an area where the treatment can occur. " "The mounding of the system will also help to ensure aeration of the soil around the system and to- better increase the 'treatment of the gray water. " "There is 4' of naturally occurring pervious material underneath to re- ceive the effluent from the septic system." Mr. Greelish explained, "There are many engineers out there. that are of the opinion that there is an engineering alternative. " "This Board has good basis for the current regulation. " "To artificially creative a situation is not always an acceptable alternative particularly where there is an marginal environment. " "As far as, the alternative system there still is the gray water problem. " Mr. Joyce commented, "This innovative system has been approved by D.E.P. . " "In my opinion, D.E.P. will be advocat- ing this system in the next six months. " Mr. Greelish responded, "Technically, it has been ap- proved at other sites. " "It is a case by case basis. " "If this were not a marginal lot and did have the separations and you could place a conventional system on it you would find me very receptive to this system. " "The problem is that we try- ing to use this system to meet the requirements of an other- wise impossible situation. " , Mr. Joyce commented, "What we have here is a system that has essentially removed the nitrogen from groundwater which is probably the more damaging element to the environment than any other element. "