J_2024 05 09_West Orange Stormwater Management Plan

Custom Soil Resource Report Udorthents, boonton substratum Percent of map unit: 5 percent Landform: Ground moraines Landform position (three-dimensional): Lower third of mountainflank, upper third of mountainflank, center third of mountainflank Down-slope shape: Convex Across-slope shape: Linear Hydric soil rating: No USBONB—Urban land, Boonton substratum - Boonton complex, 0 to 8 percent slopes Map Unit Setting National map unit symbol: w9c1 Elevation: 0 to 520 feet Mean annual precipitation: 30 to 64 inches Mean annual air temperature: 46 to 79 degrees F Frost-free period: 131 to 213 days Farmland classification: Not prime farmland Map Unit Composition Urban land, boonton substratum: 60 percent Boonton and similar soils: 30 percent Minor components: 10 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Urban Land, Boonton Substratum Setting Landform position (two-dimensional): Summit Landform position (three-dimensional): Talf Down-slope shape: Linear Across-slope shape: Linear Parent material: Asphalt over supraglacial meltout till Typical profile M - 0 to 12 inches: material 2^C - 12 to 47 inches: gravelly sandy loam 3CBt1 - 47 to 58 inches: loamy sand 3CBt2 - 58 to 72 inches: loamy sand Properties and qualities Slope: 0 to 8 percent Depth to restrictive feature: 0 inches to manufactured layer Runoff class: Very high Capacity of the most limiting layer to transmit water (Ksat): Very low (0.00 to 0.00 in/hr) Calcium carbonate, maximum content: 10 percent Available water supply, 0 to 60 inches: Very low (about 0.0 inches) 15