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Soda Creek

Macroinvertebrate data: 09-23-2014



School: Oregon State University

Date and time: Sept. 23, 2014, 11:35 a.m.

Water quality: Fair

Number of people sorting/identifying: 2

Water type: riffle

Time spent sorting/identifying: 15 minutes

Weather:

Percent EPT: 85.19%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
1
Mayfly
13
Riffle beetle
2
Stonefly
9
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
2
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
0