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#51 TO: Jeanne Mabustn, Zoning Administrator P'RCM1 Nich2al P. Gaffron, Septic System Inspector DATE: se!)cemhor 19, 1A79 SU@JBCTt 1517 Hobert W. Huber, 3390 Daycide Road VARIANCE - PROPOSED ADDITION The subject house is on a 0.37 acre lot in a 2-acre unsewered Boning district. This area is currently under a moratorium for all building or additions on substandard lots. The Huber residence currently horses five people in two bedroom. Based on a standard 75 gal./person/day water use raga, and assur'_ng the prociuminately clay soil (Kilkenny Loam) would require approximately 165 square Beet of drainfield per person, our e-sde would require a drainfield of 823 square feet for the existing house. and with thi addition of two bedrooms a total of about 1,300 square loot. The house has 500 square feet of drainfield existing now which appears to be handling the Huber's needs adequately. Orono's current code requires that 10,000 square feet of suitable area for drainfield be preserved on a new building lot. The intent of the code is to preserve on both new and existing lots enough area to handle cl1 future sewage treatment needs in the %insewered area. The existing lot has about 3,500 square feet available, and with the addition would cut this to about 3,000 square feet. The addition of two bedrooms would make the existing actual ;rainfield (500 sq. ft.) more substandard than it is already. Were the existing drainfield to be upgraded to current standards for a four bedroom home, essentially only about one-fourth of the area required for one alternate or future drainfield would be left. In the past year, only two house additions in the unsewered area resulted in potential additional water use being added. In both cases, th3 septic systems were reviewed and in one case upgraded. HeitheL case ri►quired a variance and both had substantial area in -hich to expand the existing systemx. in my opinion from a technical standpoint, the Huber lot does not have the available area required for both a present and future drainfield correctly sized for a four bedroom home. However, a mi°igating circumstance might be that the Hubers apparently do not intend to greatly expand their family, that the existing substandard size drainfield is currently handling the existing sewage load, and that the Hubers expect to remaih in the house indefinitely. All these factors are of course subject to change. The Planning Commission must decide whether or not to allow the addition based on the above facts and statements of facts below: 1. The subject property is within the Stubbs Bay Moratorium Area. The purpose of the moratorium is to temporarily stop exactly the type of application the Huber* area presenting, i.e. addition which will increase the potential sewage treatment problem in the area.