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b. The filtered greywater may be discharged <br /> externally into a DEP and Board of Health approved soil ab- <br /> sorption system with nitrogen removal capability. <br /> c. The soil absorption system shall be located a <br /> minimum of 75 feet from any wetland or bordering vegetated <br /> wetland as verified by the Mashpee Conservation Commission. <br /> This contrasts with the standard setback requirement of 100 <br /> feet for the traditional Title V soil absorption system in <br /> recognition of the lower pathogenic content in greywater. <br /> d. The bottom of the soil absorption system shall <br /> be a minimum of 4 feet above groundwater, adjusted if appli- <br /> cable. <br /> e. If there does not exist a minimum of 4 feet of <br /> naturally occurring permeable soil between the bottom of the <br /> leaching facility and groundwater, then there shall exist a <br /> minimum of 2 feet of naturally occurring permeable soil be- <br /> tween the bottom of the soil absorption system and groundwa- <br /> ter with an additional 3 feet of naturally occurring permea- <br /> ble soil below the groundwater elevation. <br /> f. The leaching area requirement for the greywater <br /> discharge system may be reduced to 60% of the standard Title <br /> V area requirement. <br /> g. The soil absorption system and the greywater <br /> filtering system must be inspected annually by a DEP ap- <br /> proved greywater discharge system inspector. The filters <br /> must be replaced at intervals according to the manufactur- <br /> er's specifications. A copy the inspection report must be <br /> submitted to the Board of Health within 30 days of the in- <br /> spection. <br /> h. No garbage grinders shall be allowed to be in- <br /> stalled. Therefore a septic tank is not required. <br /> i. For new construction a standard Title V system <br /> must be approvable on site. This standard Title V system <br /> must meet State requirements only. <br /> j. Plans for grey/blackwater septic systems must <br /> be drawn by a licensed professional engineer or registered <br /> sanitarian. <br /> k. Any variance from these regulations must be <br /> submitted in writing by the plan designer and will be con- <br /> sidered by the Board of Health on a case by case basis. <br /> 1 . Failure to submit the annual inspection reports <br /> \ to the Board of Health within 30 days of their completion <br /> '�shall constitute a determination by the Board of Health that <br /> the system is in failure. The Board may, at which time, hire <br /> an"��,.nspector to conduct the inspection with all associated <br />