Table 2.9  Total Nitrogen (mg/l) at the Lower Cape Fear River Program stations for the 2001-2002 monitoring period.

DWQ# 72 73 75 86 87 88 89 90 91 93     DWQ# 59 74 61 92 71 85 70 84  
month NAV HB BRR M61 M54 M42 M35 M23 M18 SPD     month NC11 LVC AC DP IC NCF6 B210 NCF117  
JUL 1,360 1,460 1,300 1,180 1,010 940 780 540 300 520     JUL 1,010 1,140 1,080 1,060 1,160 1,020 850 830  
AUG 1,120 1,250 1,310 1,290 1,190 1,060 760 500 380 500     AUG 1,290 1,070 1,380 1,010 1,120 990 730 1,370  
SEP 1,170 1,000 970 970 1,000 1,010 960 620 460 510     SEP 1,310 1,210 1,390 1,060 1,100 940 820 930  
OCT 1,610 1,020 890 940 800 550 430 350 260 290     OCT 1,450 1,570 1,910 1,210 1,330 890 680 810  
NOV 1,290 1,100 1,100 940 840 910 400 260 240 250     NOV 1,810 1,800 1,860 1,670 1,880 1,140 880 960  
DEC 1,060 1,160 1,180 1,110 790 580 440 250 190 220     DEC 1,480 1,400 1,440 1,240 1,190 1,100 610 550  
JAN 1,210 1,260 1,320 1,160 1,170 980 620 350 180 360     JAN 1,380 1,330 1,340 1,190 1,300 860 710 1,200  
FEB 990 1,300 1,280 1,490 1,190 1,190 920 720 470 590     FEB 1,400 1,440 1,320 1,290 1,170 980 800 900  
MAR 880 870 1,000 1,180 1,080 1,120 990 560 490 360     MAR 1,070 900 1,030 750 910 1,240 460 1,010  
APR 930 780 850 820 920 870 590 470 300 490     APR 950 1,170 1,010 910 810 850 700 790  
MAY 1,120 1,100 1,040 930 800 770 600 410 420 530     MAY 1,380 1,250 1,220 1,280 1,230 1,020 830 930  
JUN 1,580 2,260 1,100 920 850 750 650 620 380 460     JUN 1,780 1,670 2,180 1,770 1,530 990 600 910  
mean 1,193 1,213 1,112 1,078 970 894 678 471 339 423     mean 1,359 1,329 1,430 1,203 1,228 1,002 723 933  
std dev 223 363 160 184 151 192 197 143 105 117     std dev 256 249 354 277 265 110 118 197  
max 1,610 2,260 1,320 1,490 1,190 1,190 990 720 490 590     max 1,810 1,800 2,180 1,770 1,880 1,240 880 1,370  
min 880 780 850 820 790 550 400 250 180 220     min 950 900 1,010 750 810 850 460 550  
                                             
DWQ# 69 79 78 94 77 80 81 83 82       DWQ# 65 64 63 62 66 67 68   All stations
month ANC SAR GS NC403 PB LRC ROC BC117 BCRR       month 6RC LCO GCO SR BRN HAM COL   mean
JUL 1,190 1,030 930 990 1,680 740 2,550 7,300 780       JUL 690 880 1,060 770 610 580 1,090   1,189
AUG 1,230 1,020 930 930 800 580 1,810 1,330 690       AUG 1,050 860 1,030 920 720 610 1,210   1,001
SEP 3,970 920 910 710 2,760 750 1,030 6,280 700       SEP 1,270 830 1,000 880 850 900 1,210   1,247
OCT 550 840 610 670 1,000 580 2,850 19,900 640       OCT 790 580 580 390 600 310 870   1,434
NOV 1,460 990 700 580 760 760 5,610 21,500 1,050       NOV 650 470 670 680 440 300 930   1,673
DEC 880 830 680 600 900 340 3,900 16,700 2,520       DEC 970 730 620 530 450 390 730   1,405
JAN 2,050 740 470 1,330 1,520 820 1,310 4,670 1,090       JAN 890 720 560 470 500 530 700   1,067
FEB 2,680 880 600 1,160 2,720 620 1,130 2,760 1,390       FEB 880 910 550 490 340 430 630   1,106
MAR 1,870 870 580 760 1,140 570 930 5,110 570       MAR 1,210 670 490 460 260 650 630   961
APR 1,130 870 650 480 1,120 570 910 6,440 360       APR 980 790 590 820 510 720 900   943
MAY 1,910 1,220 730 610 1,000 720 2,630 8,340 1,660       MAY 890 840 730 770 370 730 710   1,198
JUN 1,460 1,890 1,410 1,690 1,240 870 4,260 12,500 3,130       JUN 910 890 820 1,420 650 1,040 2,270   1,690
mean 1,698 1,008 767 876 1,387 660 2,410 9,403 1,215       mean 932 764 725 717 525 599 990   1,243
std dev 877 291 240 346 658 139 1,463 6,413 809       std dev 177 130 195 274 162 218 434    
max 3,970 1,890 1,410 1,690 2,760 870 5,610 21,500 3,130       max 1,270 910 1,060 1,420 850 1,040 2,270   21,500
min 550 740 470 480 760 340 910 1,330 360       min 650 470 490 390 260 300 630   180