2025 12 19 Stormwater Report Rev 1

Table 10-4 Recommended Coefficient of Runoff Values NOTE: Values are based on NRCS (formerly SCS) definitions and are average values. Source: Technical Manual for Land Use Regulation Program, Bureau of Inland and Coastal Regulations, NJDEP Flood Hazard Area Permits, New Jersey Department of Environmentat Protection for Various Selected Land Uses Land Use Description Cultivated Land thout conservation treatment | 0.- a 0.670.681] 0.88 ith conservation treatment 0.27 [0.439] 0.67|] 0.67 Pasture or Range Land condition 0.38 [0.63]0.78] 0.84 Meadow condition 0. pag 0.53] 0.65 condition 0.43] 0.61 [Wood or Forest Land in stand, poor cover, no mulch 0.34]]0.59]) 0.70 0.45] 0.59 n Spaces, Lawns, Pari If Courses, Cometeries Condition Fass Cover on 75% or more o> 90.2570.52] 0.65 Fair Condition Fass Cover on 50% to 75% -- JO45170.639 0.74 Commercial and Busi 5% impervious 0.84 ]0.90/0.93) 0.96 jArea industrial Districts |z2% impervious 0.67 Jlo.81 Oss} 0.92 Residential erage % impervious JAverage Lot Size (acres) Vs 5s 0.59 10.76 10.86) 0.90 4 8 0.29 10,55 10.70} 0.80 1/3 0 vr 10.49 70.67) 0.78 2 5 sr FO4570.65] 0.76 L 0 w> $0.41 90.63] 0.74 ta Areas Ee lots, roofs, driveways, | 0.99 |lo.99]/0.99] 0.99 c. [Streets and Roads ed with curbs & storm 0.99 10.9990.99] 0.99 0.57 10.76 )0.84] 0.88 ravel 0.49 10.6970.80] 0.84 rt