CHARMECK USGS

Effects of August 1995 and July 1997 Storms in the City of Charlotte and Mecklenburg County, North Carolina

Prepared in cooperation with the City of Charlotte and Mecklenburg County


Table 4.--Nitrogen and sediment loads during baseflow, a typical summer storm, and the storms of August 26-28, 1995, and July 22-24, 1997, at nine sites in Mecklenburg County with various land uses
[lb/acre/day, pound per acre per day; na, not applicable; ns, no sample collected]
Site no. (fig. 1) Stream Drainage area (acres) Land use Instantaneous total nitrogen load Instantaneous suspended sediment
Baseflow Summer 1996 August 1995 July 1997 Baseflow Summer 1996 August 1995 July 1997
59 Tributary to Little Sugar Creek 78.7 Residential 0.0043 8.47 13.6 29.5 0.055 1,470 4,460 6,800
60 Tributary to Edwards Branch 14.7 Residential na .13 11.6 15.5 na 6.34 4,060 9,460
61 Tributary to McMullen Creek 80.6 Residential/institutional .0012 3.26 28.1 29.3 .031 1,470 10,000 16,500
62 Tributary to Irwin Creek 14.1 Heavy industrial .0050 8.33 ns 6.04 .121 1,040 ns 1,270
28 Tributary to Sugar Creek 40.3 Light industrial .0005 .15 ns .76 .036 9.17 ns 45
63 Tributary to Fourmile Creek 170 Residential/commercial .0016 4.80 6.99 3.74 .258 11,800 8,610 12,900
25 Gar Creek 1,710 Mixed .0041 2.19 ns 3.63 .182 112,000 ns 140,000
24 McDowell Creek (Westmoreland Road) 1,500 Mixed .0073 2.41 ns 3.43 .293 1,410 ns 14,100
41 McDowell Creek (Beatties Ford Road) 16,800 Mixed .0047 ns ns .44 .189 ns ns 82

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Last modified: Fri Jul 10 13:38:44 1998