Macroinvertebrate Results for Fall 2002

Site Stream Name Avg. Width Avg. Depth Flow Rate Temp Collection Time Worms Flatworms Leeches Crayfish Sowbugs Scuds Stoneflies Mayflies Dragonflies Damselflies Hellgrammites Fishflies Alderflies Net-spinning Caddisflies Most Caddisflies Beetles Midges Black Flies Most True Flies Gilled Snails Lunged Snails Clams Other Total Index Value
C-1 Crooked Run at Rt. 15 30 ft. 10 in. high 41 F 180 s 0 13 0 2 3 7 4 3 0 7 3 0 0 0 0 6 2 13 13 0 76 2
C-2 Cedar Run at Rt. 522 18 ft. 4 to 6 in. normal 48 F 85 s 2 1 1 0 2 1 2 0 0 6 4 0 37 31 0 0 4 2 9 0 111 5
C-5 Hazel River at Rt. 644 15 ft. n/d normal 55 F 40 s 6 0 0 0 0 0 1 71 2 12 123 172 34 2 0 0 0 3 0 0 426 10
C-12 Rappahannock River at Rt. 621 15 ft. 5 in. low 45 F 185 s 16 1 0 0 0 0 0 2 0 2 12 9 19 25 0 4 2 4 6 0 102 5
C-18 Thornton River at Rt. 628 30 ft. 6 in. normal 51 F 200 s 0 0 0 0 0 0 1 41 0 2 19 16 1 5 0 0 0 7 0 0 92 6
F-1 Carter's Run at Rt. 681 20 ft. 6 in. normal 53.5 F 230 s 8  1 0 0 0 0 0 0 0 4 2 0 9 5 0 18 0 7 4 0 59 6
F-3 Great Run at Rt. 802 10 ft. 8 in. normal 53.5 F 60 s 0 0 0 0 0 0 0 0 2 1 240 0 5 0 0 9 2 0 0 0 259 6
F-4 Fiery Run at Rt. 635 6 ft. 4-6 in. low 50 F 40 s 36 0 0 0 0 0 7 0 0 1 0 0 48 1 0 0 0 0 0 0 93 8
F-10 Great Run at Black Snake Lake 10 ft. 8 in. normal 48 F 50 s 6 1 0 0 10 14 36 19 0 20 34 4 24 6 0 15 0 0 124 0 313 8
F-12 Marsh Run at Rt. 668 15 ft. 12-15 in. normal 70 F 50 s 25 0 0 0 5 0 9 4 0 0 2 0 7 206 35 0 0 0 4 0 299 5
F-14 Thumb Run at Rt.770 25 ft. 10 in. low 49 F 40 s 11 11 0 0 1 0 0 2 3 5 56 4 109 10 0 2 2 7 28 0 251 5
F-15 Deep Run at Rt. 615 5 ft. 6 in. low 52 F 185 s 3 0 0 2 0 1 27 12 4 8 7 7 47 10 0 85 0 2 2 0 217 10
G-4 South River at Rt. 619 15 ft. 6-8 in. normal 53 F 40 s 1 0 0 0 0 0 0 30 0 14 75 95 27 7 0 5 19 0 0 0 273 10
G-5 Conway River at Rt. 230 20 ft. 6-10 in. normal 49 F 60 s 1 5 0 0 0 0 0 39 8 2 94 37 14 9 0 11 0 1 0 0 221 8
G-6 White Run at Rt. 609 15 ft. 4-5 in. low 68 F 30 s 5 0 0 0 0 0 1 34 0 8 58 67 11 1 0 8 0 0 4 0 197 10
M-3 Rapidan River at Rt. 662 25 ft. 10 in. normal 43.5 F 60 s 0 8 0 0 0 0 10 47 0 0 142 3 0 17 0 0 0 0 0 7 234 7
M-5 Great Run at Rt.15 14 ft. 6 in. normal 39 F 150 s 9 22 0 0 0 0 0 8 1 10 17 0 12 72 0 9 0 26 17 0 203 3
M-9 White Oak Run at Rt. 638 12 ft. 12 in. high 49 F 110 s 5 0 0 0 0 6 25 28 0 6 68 19 3 3 2 9 0 1 37 0 210 6
M-11 Rose River at Rt. 670 15 ft. 6 in. high 58 F 30 s 3 0 1 1 0 0 14 98 0 3 26 46 53 1 0 1 0 0 0 0 247 12
M-12 Robinson River at Rt. 670 12 ft. 6 in. normal 55 F 40 s 2 1 0 1 0 0 16 385 1 15 74 24 10 17 0 0 0 0 0 0 546 10
M-14 Popham River at Rt. 603 20 ft. 12 in. normal 57 F 20 s 1 0 0 0 0 0 0 65 1 3 69 64 10 0 0 3 0 0 0 0 216 10
M-16 Rapidan River at Rt. 671 25 ft. 6 in. low 69 F 75 s 21 10 0 0 0 0 17 33 11 4 10 4 26 4 0 1 48 1 10 1 201 8
O-1 Blue Run at Rt. 20 12 ft. 3 in. low 61 F 40 s 37 0 0 0 0 1 0 33 7 5 28 18 33 39 18 13 0 13 0 0 245 7
O-2 Mine Run at Rt. 611 n/d n/d low 48 F 80 s 50 6 0 0 0 1 1 52 0 9 5 4 38 24 0 0 1 1 12 0 204 8
O-3 Mountain Run at Rt. 611 15 ft. 4-6 in. low 49 F 80 s 32 2 0 0 0 0 0 0 0 2 0 0 66 91 0 28 0 0 2 0 223 8
O-5 Laurel Run at Rt. 635 8 ft. 6 in. normal 40 F 180 s 13 42 0 0 0 4 0 0 0 0 17 0 0 19 0 3 1 3 15 0 117 2
R-2 Hughes River at Rt. 644 30 ft. 20 in. normal 55 F 20 s 1 7 0 0 0 0 10 53 0 7 100 116 34 0 3 0 0 1 0 0 332 10
R-6 North Fork Thornton at Rt. 612 20 ft. 8-10 in. normal n/d 20 s 11 0 0 1 0 0 33 13 0 6 44 71 129 15 1 1 0 2 0 0 327 11
R-8 Piney River at Rt. 612 15 ft. 8-10 in. normal n/d 15 s 6 0 0 1 0 0 22 28 0 1 23 45 54 20 2 0 0 0 0 0 202 12
R-17 Jordan River at Rt.637 40 ft. 10 in. normal 44.5 F 245 s  33 0 0 0 0 0 0 1 0 2 1 1 1 0 0 4 0 6 14 0 63 2