600 54TH ST SW I 2025-01-28 - Laserfiche WebLink

• Mean annual air temperature: 48 to 52 degrees F • Frost-free period: 180 to 240 days • Farmland classification: Farmland of statewide importance Map Unit Composition • Everett and similar soils: 80 percent • Minor components: 20 percent • Estimates are based on observations, descriptions, and transects of the mapunit. Description of Everett Setting • Landform: Eskers, kames, moraines • Landform position (two-dimensional): Backslope • Landform position (three-dimensional): Side slope • Down-slope shape: Convex • Across-slope shape: Convex • Parent material: Sandy and gravelly glacial outwash Typical profile • Oi - 0 to 1 inches: slightly decomposed plant material • A - 1 to 3 inches: very gravelly sandy loam • Bw - 3 to 24 inches: very gravelly sandy loam • Cl - 24 to 35 inches: very gravelly loamy sand • C2 - 35 to 60 inches: extremely cobbly coarse sand Properties and qualities • Slope: 15 to 30 percent • Depth to restrictive feature: More than 80 inches • Natural drainage class: Somewhat excessively drained • Capacity of the most limiting layer to transmit water(Ksat): High (1.98 to 5.95 in/hr) • Depth to water table: More than 80 inches • Frequency of flooding: None • Frequency of ponding: None • Available water storage in profile: Low (about 3.2 inches) Interpretive groups • Land capability classification (irrigated): None specified • Land capability classification (nonirrigated): 4e • Hydrologic Soil Group: A • Forage suitability group: Droughty Soils (G002XS401WA), Droughty Soils (G002XN402WA) • Hydric soil rating: No Minor Components Alderwood • Percent of map unit: 10 percent • Landform: Ridges, hills • Landform position (two-dimensional): Backslope Insight Engineering Co. - Stormwater Site Plan 07/03/2019 - 12-