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Eagle Creek Upper

Macroinvertebrate data: 10-08-2015



School: Oregon State University

Date and time: Oct. 8, 2015, 10:17 a.m.

Water quality: Good

Number of people sorting/identifying:

Water type: riffle

Time spent sorting/identifying:

Weather:

Percent EPT: 70.89%

Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs

Sensitivity to pollution
Sensitive
Count
Caddisfly
2
Mayfly
30
Riffle beetle
0
Stonefly
24
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
0
Tolerant
Count
Aquatic worm
8
Blackfly
0
Leech
0
Midge
13
Snail
0
Mosquito larva
2
Tolerant total
3