Macroinvertebrate Results for Fall 2003
| 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-5 | Hazel River at Rt. 644 | 15 ft. | 8 in. | normal | 61 F | 55 s | 5 | 3 | 0 | 0 | 0 | 0 | 10 | 81 | 0 | 0 | 83 | 1 | 23 | 32 | 16 | 3 | 0 | 0 | 0 | 0 | 257 | 11 |
| F-3 | Great Run at Rt. 802 | 12 ft. | 8 in. | normal | 54 F | 20 s | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 362 | 1 | 13 | 12 | 0 | 3 | 0 | 1 | 0 | 0 | 398 | 7 |
| F-10 | Great Run at Black Snake Lake | 14 ft. | 10 in. | high | 51 F | 20 s | 9 | 1 | 0 | 0 | 0 | 2 | 9 | 5 | 7 | 2 | 145 | 99 | 32 | 0 | 0 | 4 | 0 | 0 | 1 | 0 | 316 | 10 |
| F-12 | Marsh Run at Rt. 668 | 30 ft. | 14 in. | high | 54 F | 20 s | 4 | 8 | 1 | 2 | 1 | 3 | 0 | 4 | 2 | 3 | 163 | 2 | 1 | 16 | 0 | 6 | 0 | 1 | 9 | 0 | 226 | 4 |
| F-15 | Deep Run at Rt. 615 | 25 ft. | 8 in. | normal | 57 F | 40 s | 2 | 0 | 0 | 0 | 0 | 0 | 13 | 35 | 1 | 4 | 106 | 72 | 46 | 1 | 3 | 8 | 0 | 0 | 0 | 0 | 296 | 10 |
| M-9 | White Oak Run at Rt. 638 | 25 ft. | 18 in. | high | n/d | 110 s | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 34 | 0 | 1 | 27 | 0 | 0 | 2 | 5 | 2 | 0 | 0 | 2 | 0 | 78 | 8 |
| M-14 | Popham River at Rt. 603 | 22 ft. | 18 in. | normal | 48 F | 20 s | 143 | 0 | 0 | 0 | 0 | 0 | 4 | 7 | 0 | 1 | 78 | 30 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 2 | 270 | 6 |
| R-2 | Hughes River at Rt. 644 | 35 ft. | 10 in. | normal | 59 F | 40 s | 1 | 0 | 0 | 0 | 0 | 0 | 10 | 64 | 0 | 3 | 52 | 3 | 1 | 23 | 45 | 1 | 0 | 0 | 0 | 0 | 203 | 9 |
| R-5 | South Fork Thornton at confluence with North Fork Thornton | 25 ft. | 10 in. | normal | 56 F | 30 s | 1 | 0 | 0 | 2 | 0 | 0 | 31 | 25 | 0 | 0 | 54 | 55 | 22 | 20 | 0 | 2 | 0 | 0 | 0 | 0 | 212 | 11 |
| R-17 | Jordan River at Rt. 637 | 30 ft. | 6 in. | normal | 54.5 F | 30 s | 9 | 0 | 0 | 0 | 0 | 0 | 6 | 77 | 0 | 0 | 69 | 0 | 0 | 28 | 13 | 0 | 1 | 0 | 14 | 0 | 217 | 8 |