Where the WCF abuts residentially developed land, residential zoning districts, public land, or streets, the WCF perimeter shall be landscaped with at least one row of deciduous trees, not less than 3 1/2 inches in caliper, spaced not more than 30 feet apart, on center, and within 40 feet of the WCF boundary, as well as at least one row of evergreen trees or shrubs, at least 14 feet high when planted and spaced not more than 15 feet apart of the WCF boundary.