Supporting Documentation · May 28, 2026
2026 05 Storm Water Management Report rcd 5 6 2026
ca1b6a05d93acd17db8ba3736caf854fbeada41956eb0ec8f599e95e0e23a985Indexed text · page 23
Show all pagesCustom Soil Resource Report Essex County, New Jersey URBONB—Urban land, Boonton substratum, 0 to 8 percent slopes Map Unit Setting National map unit symbol: w9cn Elevation: 50 to 500 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 Urban land, boonton substratum: 90 percent Minor components: 10 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Urban Land, Boonton Substratum Setting Landform: Ground moraines Landform position (three-dimensional): Lower third of mountainflank Down-slope shape: Linear, convex Across-slope shape: Linear Parent material: Surface covered by pavement, concrete, buildings, and other structures underlain by disturbed and natural soil material Typical profile H1 - 0 to 12 inches: material H2 - 12 to 47 inches: silt loam 2CBt1 - 47 to 58 inches: loamy sand 2CBt2 - 58 to 72 inches: loamy sand Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 8s Hydric soil rating: Unranked Minor Components 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 Boonton Percent of map unit: 5 percent Landform: Ground moraines Landform position (three-dimensional): Upper third of mountainflank, center third of mountainflank Down-slope shape: Convex Across-slope shape: Linear
sition (three-dimensional): Upper third of mountainflank, center third of mountainflank Down-slope shape: Convex Across-slope shape: Linear 13
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