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Wiley Creek

Macroinvertebrate data: 09-17-2014



School: Oregon State University

Date and time: Sept. 17, 2014, 11:46 a.m.

Water quality: Excellent

Number of people sorting/identifying: 13

Water type: pool

Time spent sorting/identifying: 45 minutes

Weather:

Percent EPT: 67.92%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
29
Mayfly
5
Riffle beetle
0
Stonefly
2
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
5
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
1
Alderfly
0
Mite
0
Somewhat sensitive total
4
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
1
Midge
1
Snail
8
Mosquito larva
1
Tolerant total
4