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Eagle Creek Upper

Macroinvertebrate data: 10-02-2015



School: Oregon State University

Date and time: Oct. 2, 2015, 10:51 a.m.

Water quality: Good

Number of people sorting/identifying: 30

Water type: riffle

Time spent sorting/identifying:

Weather:

Percent EPT: 90.00%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
10
Mayfly
11
Riffle beetle
0
Stonefly
24
Water penny
1
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
1
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
3
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1