Description: A variety of above and below ground devices designed to improve the quantity and/or quality of stormwater exiting a site and entering the stormwater drainage system. Facility types found in Durham include level spreaders, sand filters, bio-retention areas, underground storage, Filteras, detention basins, constructed and pocket wetland, and wet and dry ponds.
Description: Inlets, outlets, and junctions designed to control the flow of stormwater runoff. Structure types include combination, curb, drop or slab inlets, headwall and end sections, junction boxes, and manholes. Some structures, such as weir boxes and riser pipes are predominantly associated with stormwater control facilities.
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Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 14 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: Drainage areas for the principal named streams in Durham County that have been modified to take into account the effect of the stormwater system on drainage boundaries. Similar, but not identical to, the watershed layer that is part of the USGS Hydrography group layer.