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I I I I I I I I I I 'I I I I I I I I I F. BASIN V Basin V is located in the center portion of the study area. It is bounded by the railroad on the north, the Hickory-Jackson ditch on the south, the West Side irrigation ditch on the east, and Railroad Avenue on the west. The total drainage area of this basin is approximately 0.6 square miles and generally drains towards the east, although it does not drain to the river. Most of Basin V is residential with some commer- cial development and railroad property. The existing storm sewer sys- tem is undersized. The storm sewers tie the sanitary sewer system, causing the combined system to overlo~d and back up during periods of runoff, causing flooding, ponding, and health hazards.. Parts of the basin which have been developed are in low areas where there is no outlet and the stormwater ponds. G. BASIN VI Basin VI ;-s located in the northeastern portion of the study area. It is 'bounded on the south by the river, on the north by Sixmile Road, and on the west by State Highway 17. The total drainage area is approximately one square mile, with the general drainage pattern from the northwest to the southeast. Site inspections indicate the natural drainage patterns have been altered by streets, roads, and development. A detailed examination of the area was not possible as mapping is not available. Land use is a combination of residential, commercial along State Highway 17 and U.S. 160, and some undeveloped areas. There is currently no im- proved stormwater conveyance system for this basin. Highway 17 is higher than the surrounding ground, blocking the drainage west of the highway and directing runoff to the south. U.S. 160 also blocks drainage and directs flow to the west. On the south side of U.S. 160, the area has a slight tendency to drain towards the -20-