406 PECKS DR Geotech Report 2025-07-14

Map Unit Description:Alderwood gravelly sandy loam, 15 to 30 percent slopes---Snohomish 4730-Seahurst Ave,Everett, County Area,Washington Washington 98203 Snohomish County Area, Washington 3—Alderwood gravelly sandy loam, 15 to 30 percent slopes Map Unit Setting National map unit symbol: 2t627 Elevation: 0 to 1,000 feet Mean annual precipitation: 25 to 60 inches Mean annual air temperature: 46 to 52 degrees F Frost-free period: 160 to 240 days Farmland classification: Farmland of statewide importance Map Unit Composition Alderwood and similar soils:85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Alderwood Setting Landform: Hills, ridges Landform position (two-dimensional): Backslope Landform position (three-dimensional): Nose slope, side slope, talf Down-slope shape:Convex, linear Across-slope shape: Convex Parent material:Glacial drift and/or glacial outwash over dense glaciomarine deposits Typical profile A -0 to 7 inches: gravelly sandy loam Bw1 - 7 to 21 inches: very gravelly sandy loam Bw2-21 to 30 inches: very gravelly sandy loam Bg-30 to 35 inches: very gravelly sandy loam 2Cd1 -35 to 43 inches: very gravelly sandy loam 2Cd2-43 to 59 inches: very gravelly sandy loam Properties and qualities Slope: 15 to 30 percent Depth to restrictive feature:20 to 39 inches to densic material Drainage class: Moderately well drained Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately low (0.00 to 0.06 in/hr) Depth to water table:About 18 to 37 inches Frequency of flooding: None Frequency of ponding: None Available water supply, 0 to 60 inches: Very low(about 2.7 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 4e Hydrologic Soil Group: B USDA ° Natural Resources Web Soil Survey 12/30/2021 111111 Conservation Service National Cooperative Soil Survey Page 1 of 2