Table 2.28  Mean (geometric mean for fecal coliform) and range for each parameter at each station for the Lower Cape Fear River Program stations, 1995-2001.

  NC11 LVC AC DP BBT IC NCF 6 B210 NCF 117
Temp (oC) 18.3                       3.6 - 31.1 18.2                 3.5 - 30.3 18.5                   3.9 - 31.4 18.9                 3.8 - 30.5 18.5                 3.8 - 30.8 18.7                 3.8 - 31.3 19.2                 5.4 - 31.9 17.8                 2.6 - 29.8 18.9                 3.8 - 30.2
Salinity (ppt)             1.5                    0.0 - 13.4    
Conductivity (mS) 0.11               0.05 - 0.20 0.16              0.05 - 0.39 0.17               0.05 - 0.45 0.17              0.05 - 0.38 0.14              0.05 - 0.38 0.20              0.05 - 2.26 2.65               0.06 - 22.1 0.08               0.04 - 0.22 0.15              0.05 - 0.73
DO (mg/L) 8.2                   2.8 - 13.4 7.3                    0.3 - 12.3 7.9                   2.2 - 13.2 7.3                   0.4 - 13.2 6.6                   0.3 - 12.0 6.8                   0.3 - 12.6 6.3                   0.1 - 12.1 6.7                   1.2 - 12.3 5.8                   0.0 - 11.2
Turbidity (NTU) 30                        3 - 167 22                        2 - 119 31                        7 - 150 29                        6 - 157 18                        2 - 106 22                        5 - 150 14                        3 - 50 5                          0 - 42 5                           1 - 21
pH 6.4                   5.2 - 7.8 6.6                    5.4 - 7.7 6.7                    5.4 - 7.7 6.7                   5.2 - 7.3 6.5                    5.1 - 7.4 6.6                   5.2 - 7.5 6.5                   5.0 - 7.3 6.0                    5.2 - 6.9 6.3                   5.2 - 7.0
                   
Total Nitrogen (mg/L) 1,330              657 - 2,290 1,375              500 - 2,520 1,432              809 - 3,750 1,263              780 - 2,010   1,223              730 - 2,060 1,082              606 - 2,100 974                490 - 2,160 1,128              600 - 4,580
Nitrate+Nitrite 654                 190 - 1,369 531                     5 - 1,110 622                   50 - 1,303 537                   80 - 900 476                      8 - 1,063 491                     5 - 1,093 284                      5 - 910 213                        5 - 870 262                     5 - 990
Ammonium 73                        5 - 200 160                     5 - 1,020 131                   20 - 470 120                    20 - 310 67                     13 - 166 82                        5 - 160 61                        5 - 230 45                           5 - 110 56                          5 - 240
TKN 736                330 - 1,400 908                390 -1,800 876                   71 - 3,100 746                440 - 1,600   800                430 - 1,800 837                300 - 2,100 818                390 - 2,000 933                240 - 4,490
Total Phosphorus 184                   55 - 400 161                   10 - 380 188                   65 - 400 176                   70 - 360   149                   50 - 320 99                     25 - 360 74                     16 - 200 93                     25 - 380
Orthophoshate 85                      24 - 261 70                        1 - 269 82                     25 - 279 78                     25 - 156 61                      14 - 413 66                     25 - 156 40                      13 - 101 27                        5 - 84 44                        5 - 108
                   
Fecal Coliform (CFU) 18                        1 - 137 23                        1 - 3,150 20                        1 - 1,375 23                        1 - 1,800   26                        1 - 1,700 37                        7 - 2,075 40                        4 - 200 30                        6 - 1,355
Chlorophyll a (mg/L) 5.6                    0.4 - 52.7 3.5                    0.2 - 17.0 4.7                    0.2 - 43.2 3.0                    0.2 - 10.4 2.8                    0.1 - 13.4 3.2                    0.2 - 17.3 2.5                      0.1 - 19.2 0.8                    0.1 - 3.2 1.4                      0.1 - 17.1
BOD5 1.1                      0.5 - 2.4 1.2                      0.6 - 1.9 1.5                      0.6 - 6.0   1.2                     0.4 - 6.0     0.8                      0.3 - 2.8 1.0                      0.3 - 8.2
                   
  NAV HB BRR M61 M54 M42 M35 M23 M18 SPD
Temp (oC) 18.7                4.2 - 30.4 18.8                        4.6 - 31.7 19.1                                  4.8 - 31.4 19.2                    5.5 - 30.8 19.2                  5.9 - 30.5 19.0                 5.8 - 30.9 19.3                6.1 - 30.0 19.2                6.7 - 29.9 19.3                  7.0 - 29.5 19.6                  6.2 - 29.8
Salinity (ppt) 1.1                0.0 - 13.4 1.6                 0.0 - 11.2 2.3                 0.0 - 14.6 4.1                0.0 - 19.3 6.0                0.0 - 21.3 8.4                  0.0 - 26.3 12.5                  0.1 - 30.5 19.4                 2.5 - 34.3 24.2                   3.7 - 35.6 24.4                  8.5 - 34.1
Conductivity (mS) 2.06               0.06 - 22.20 2.86            0.06 - 19.00 4.05            0.06 - 23.90 7.22          0.06 - 30.90 10.33          0.07 - 33.80 14.17            0.07 - 40.70 20.51            0.10 - 47.06 31.12          5.00 - 52.22 38.12          7.12 - 53.82 38.13          14.58 - 52.07
DO (mg/L) 6.6                 0.3 - 11.6 6.7                0.5 - 11.3 6.7                0.4 - 11.1 6.6                0.2 - 10.9 6.9                0.5 - 10.8 7.3                0.7 - 12.0 7.5                0.7 - 12.0 7.7                2.1 - 10.8 7.7                2.8 - 11.0 7.4                4.2 - 10.7
Turbidity (NTU) 30                     9 - 96 26                     6 - 78 24                     5 - 61 22                     5 - 73 27                      6 - 100 23                     6 - 78 18                      5 - 58 15                      3 - 74 16                      1 - 57 16                      3 - 59
pH 6.8                5.6 - 7.8 6.9                    5.7 - 8.0 7.1                5.9 - 7.9 7.2                5.6 - 7.9 7.5                5.9 - 8.1 7.6                5.9 - 8.2 7.8                 6.0 - 8.3 7.9                6.5 - 8.5 8.0                 6.7 - 8.5 7.6                5.7 - 8.2
                     
Total Nitrogen (mg/L) 1,249              480 - 2,800 1,195              640 - 2,080 1,143               690 - 1,930 1,112               670 - 2,060 1,109            540 - 1990 985             430 - 1,80 877             310 - 1,880 698              310 - 1,590 548              140 - 1,470 495               230 - 900
Nitrate+Nitrite 460                  5 - 1,051 429                  5 - 1,120 422                  5 - 920 377                     5 - 760 356                        5 - 700 315                      5 - 670 267                  5 - 840 178                  5 - 460 117                    5 - 570 81                         5 - 460
Ammonium 87                  20 - 280 88                     5 - 190 85                     5 - 230 96                     5 - 230 102                   5 - 250 82                     5 - 240 67                     5 - 190 50                     5 - 220 38                     5 - 170 51                     5 - 170
TKN 842             390 - 2,200 828                     440 - 1,830 764             440 - 1,280 781               320 - 2,000 807                480 - 1,600 704             330 - 1,500 658             270 - 1,700 567             250 - 1,400 454                40 - 1,300 427             160 - 660
Total Phosphorus 149                50 - 280 135                55 - 240 128                47 - 270 113                10 - 220 126                57 - 390 101                  45 - 220 80                  40 - 180 60                  20 - 170 47                     5 - 130 47                    20 - 90
Orthophoshate 59                  23 - 130 56                  18 - 140 52                  18 - 140 49                  20 - 90 47                  19 - 93 39                     6 - 73 32                     6 - 57 23                     6 - 53 15                     0 - 56 15                      2 - 76
                     
Fecal Coliform (CFU) 47                     8 - 4,453 49                     3 - 1,603 49                     9 - 880 42                     1 - 2,129 28                     1 - 1,400 16                     1 - 335 11                     1 - 728 5                       1 - 194 4                       1 - 158 6                       1 - 111
Chlorophyll a (mg/L) 3.2                0.2 - 10.3 3.3                 0.2 - 13.4 4.0                 0.1 - 21.3 4.4                 0.2 - 17.6 5.4                 0.2 - 24.9 6.4                0.2 - 33.3 5.8                 0.3 - 29.1 5.6                0.2 - 20.5 5.9                0.2 - 19.1 3.9                 0.6 - 12.9
               
  6RC LCO GCO SR BRN HAM COL
Temp (oC) 16.6                 3.8 - 27.2 16.6                 3.4 - 27.4 16.5                1.9 - 27.2 16.7                2.5 - 26.5 17.3                4.6 - 29.4 17.1                4.4 - 27.0 17.1                3.8 - 28.5
Conductivity (mS) 0.10              0.06 - 0.28 0.07              0.04 - 0.10 0.12              0.05 - 0.31 0.09              0.04 - 0.22 0.09              0.01 - 0.13 0.13              0.03 - 0.24 0.06                 0.04 - 0.14
DO (mg/L) 7.6                   1.4 - 11.9 7.5                   2.6 - 12.2 6.6                   1.0 - 12.7 5.0                   0.0 - 12.7 8.3                   5.0 - 12.0 7.6                   2.5 - 12.4 6.5                   0.8 - 11.4
Turbidity (NTU) 8                          1 - 40 7                          1 - 102 4                          0 - 26 6                          0 - 45 19                        1 - 229 15                       2 - 152 4                          0 - 13
pH 6.3                   5.2 - 7.4 6.1                   4.4 - 6.9 6.3                   4.9 - 7.1 6.2                   5.0 - 7.5 6.5                   5.0 - 7.5 6.5                   5.3 - 7.6 3.9                   3.1 - 5.2
               
Total Nitrogen (mg/L) 1,252             440 - 2,760 1,066              380 - 3,130 1,195            570 - 4,280 1,030            390 - 2,090 1,028            430 - 3,640 908                310 - 3,560 1,220             580 - 3,690
Nitrate+Nitrite 497                   20 - 1,510 275                     5 - 1,390 345                     5 - 1,310 82                        5 - 440 308                     5 - 1,370 144                     5 - 530 25                       5 - 390
Ammonium 84                       5 - 270 67                       5 - 550 61                       5 - 170 90                       5 - 550 67                       5 - 380 66                       5 - 310 126                     5 - 1,600
TKN 795                360 - 2,000 819                  72 - 2,800 891                300 - 3,400 1,002              390 - 2,060 834                280 - 3,220 766                310 - 3,200 1,279                580 - 3,600
Total Phosphorus 107                     5 - 240 74                       5 - 170 119                     5 - 570 100                     5 - 280 94                     10 - 310 116                  20 - 310 49                       5 - 370
Orthophoshate 36                     10 - 89 26                       2 - 85 47                     10 - 142 25                        1 - 59 23                       5 - 49 30                       7 - 81 20                       0 - 283
               
Fecal Coliform (CFU) 47                       1 - 3,020 44                                  5 - 1,700 48                       6 - 2,168 64                       7 - 1,400 104                                    11 - 4,745 115                  15 - 3,000 35                       5 - 620
Chlorophyll a (mg/L) 0.8                   0.1 - 5.0 1.2                     0.1 - 8.4 1.3                   0.1 - 9.1 8.4                    0.1 - 217.0 1.3                    0.2 - 6.6 2.4                   0.2 - 24.5 3.6                    0.0 - 139.6
                   
  ANC SAR GS NC403 PB LRC ROC BC117 BCRR
Temp (oC) 16.7                  3.6 - 27.7 16.6                 1.7 - 28.0 16.6                 2.1 - 27.5 17.1                  2.8 - 27.1 17.6                 1.9 - 31.2 18.9                 5.5 - 34.3 17.7                     4.3 - 28.7 18.5                  5.6 - 31.0 16.9                 4.8 - 26.6
Conductivity (mS) 0.09              0.02 - 0.32 0.16                   0.03 - 0.39 0.15                 0.03 - 0.28 0.42              0.05 - 1.02 2.37               0.11 - 9.29 0.65              0.03 - 3.30 0.15                 0.03 - 0.41 0.43                 0.07 - 1.05 0.17                0.03 - 0.83
DO (mg/L) 5.9                   0.3 - 10.8 6.5                    0.3 - 11.5 6.3                   0.0 - 12.6 4.1                    0.2 - 10.2 6.4                   0.6 - 12.2 9.1                   5.5 - 13.5 7.1                   0.6 - 12.5 7.8                    1.1 - 14.2 6.8                   1.2 - 12.4
Turbidity (NTU) 9                          4 - 29 5                          1 - 25 7                          1 - 111 7                          0 - 31 18                        2 - 123 18                        1 - 125 9                          2 - 34