J_2024 05 09_West Orange Stormwater Management Plan

Custom Soil Resource Report Essex County, New Jersey UdbonB—Udorthents, Boonton substratum, 0 to 8 percent slopes Map Unit Setting National map unit symbol: w8r1 Elevation: 50 to 660 feet Mean annual precipitation: 30 to 64 inches Mean annual air temperature: 46 to 79 degrees F Frost-free period: 131 to 178 days Farmland classification: Not prime farmland Map Unit Composition Udorthents, boonton substratum, and similar soils: 95 percent Minor components: 5 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Udorthents, Boonton Substratum Setting Landform: Ground moraines Landform position (three-dimensional): Lower third of mountainflank Down-slope shape: Convex Across-slope shape: Linear Parent material: Loamy material transported by human activity Typical profile A - 0 to 12 inches: loam CBt1 - 12 to 58 inches: loamy sand CBt2 - 58 to 72 inches: loamy sand Properties and qualities Slope: 0 to 8 percent Depth to restrictive feature: More than 80 inches Drainage class: Well drained Runoff class: Medium 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 supply, 0 to 60 inches: Moderate (about 8.9 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 3w Hydrologic Soil Group: A Hydric soil rating: No Minor Components Boonton Percent of map unit: 5 percent Landform: Ground moraines Landform position (three-dimensional): Upper third of mountainflank, center third of mountainflank 13