10725 HOLLY DR 2016-01-01 MF Import

FIG SB Soil survey � Snohomish County Area, Washington 0 to 40 those on south-and southwest•facing slopes. When is slight. A seasonal perched water table is �;a depth of uosion openings are made in the canopy, invading brushy �pth of plants, if not controlled, can de�ay the establishment o( �8 to 36 inches from January tr, rvlarci�. �r seep seedlings. Because the rooting depth is restricted by a Urban land is areas that are covered by streets, cemented pan in the Alderwood soil, trees are subject to buildings, parking lols, and othcir structures that obscure windthrow. or alter the soils so ihat identific:ation is not possible. The main limitations of the Alderwood soil for septic The Alderwood soil in lhis unic i; used mainty for lh ol tank absorption fields and homesites are steepness of parks, building sites, lawns, garcJens, and woodland. y sandy slope and a seasonal perched water tahle. Efiluent from The main limitations of the Alderwood soil for iy loam absorp±ion fields flows laterally above the pan and can �mesites and septic tank absorplion tields are the fatum seep at tne hottom of slopes. Drainage is needed if depth to the hardpan and the seasonal perched water thick. buildings with basements and crawl spaces are �a61e. Onsite wasta disposal systems often tuil or do not dark constructed. This soil sioughs readily when saturaled. function properly during periods of high rainfall. Drainage The main limitations of the Everett soil for septic tank � �s needed if buildT gs with basements and crawl spaces 3 water absorption fieids are steepness o(slope and seepage. If are constructed. .opsoil needs to be stockpiled during s or the den;iy of housing is moderate to high, community site preparation and subsequen0y used to cover the sion is sewage systems are needed to prevent contamination of ' exposed malerial. Adoitions of tertilizer and peat are waler sispplies as a result of seepage from onsite desirable prior to seeding grass for lawns. jlite sewage disposal systems. Road cuts tend to slough This map unit is in capability subclass IVe. readily. � 6—Alderwood-Urban land complex, 8 to 15 percent To protect the soils in this unil from erosinn during ��opes.This map unit is on till plains. Areas are irregular ve, construction, disturbed areas need to be seeded and • in shape and are 25 to 100 acres in size.The native �ar runotf should be conVolled. ' vegetation is mainly conifers and hardwoods. Elevation is nnual This map unit is in capability subciass Vlle. +, 5p(0 550 teet. The average annual precipitation is about �ge 65 ' 40 inches, lhe average annual air temperalure is about 5—Alderwood•Urban Iand complex, 2 ta 8 percent ; 50 degrees F, and the avera;7e irost-free season is 170 slopes.This map unit is on lill piains. Areas are irregular � to 190 days. lhe in shape and are 100 to 1,000 acres in size. The native Tnis unit is about 60 percent Alderwood gravelly sandy ite vegetalion is mainly conifers. Elevation is 50 to 550 feet. �oam and about 25 percent Urban land. The components 1 The average annual precipitation is about 40 inches, the ,; of this unit are so intricately intermingled lhat it was not ge 65 average annual air temperature is about 50 degrees F, prflctical to map them separately at the scale used. and the average frost-free season is 170 to 190 days. Included in this unit are smail areas of Everett and This unit is about 60 percent Aldenvood gravelly sandy �ndianola soils on terraces and outwash plains, Kitsap loam and about 25 percent Urban land. The components �. 8011s on terraces and terrace escarpments, and Ragnar lal, of this unit are so intricately intermingled that it was not epils on outwash plains. Included areas make up about �, practical to map them separately at the scale used. ; �5 percent of the total acreage. Included in this unit are small areas oi McKenna and ; The Alderwood soil is moderately deep and Norma soils and Terric Medisaprists in depressional moderately well drained. It formed in glacial till. Typica�iy, ed areas and drainageways on plains. Also included are �e sur{ace layer is very dark grayish brown gravelly small aroas o( soils that are very shallow over a �ndy loam about 7 inches thick. The upper part o(the I soils hardpan; small areas of Everett, Indianola, and Ragnar . �bsoil is dark ye�lowish brown and dark brown very soils on terraces and oulwash plains; and soils that have g�avelly sandy loam about 23 inches thicA. The lower r of a stony and bouldery surface layer. Included areas make p�is olive brown very gravelly sandy loam about 5 up about 15 percent of the total acreage. �ches thick. A weakly cemented hardpan is at a depth �und The Alderwood soil is moderately deep over a hardpan of ebout 35 inches. Depth to the hardpan ranges irom le and is moderately well drained. It formed in glacial tili. 2p to 40 inches. ut Typically, the surtace layer is very dark grayish brown permeability of the Aldenvood soil is moderately rapid skid gravelly sandy loam about 7 inches lhick. The upper part '��e the hardpan and very slow through it Available � of the subsoil is dark yellowish brown and dark brown ;.Wa�er capacity is low. Effective rooting depth is 20 to 40 very gravelly sandy loam about 23 inches lhick. The �hes. Runofi is slow, and the hazard oi water erosion lower part is olive brown very gravelly sandy Ioam about �slight. A seasonal perched water table is at a depth of 5 inches thick. A weakly cemented hardpan is at a depth � �B to 36 inches trom January to March. hed of about 35 inches. Depth to the hardpan ranges irom Urban land consists of areas that are covered by 20 to 40 inches. � eVeets, buildings, parking lots, and other structures that Permeabiliry of the Alderwood soil is moderately rapid pbscure or alter the soils so that identification is not �w above the hardpan and very slow through it. Available ,ppssiblo. g water capacity is low. Effective rooting depth is 20 to 40 ; Tho Alderwood soil in this unit is used mainty for inches. Runolf is slow, and lhe hazard of water erosion +Pg�s, building sites, lawns, and woodland.