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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: 16

Water type: pool

Time spent sorting/identifying: 45 minutes

Weather:

Percent EPT: 38.89%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
3
Mayfly
3
Riffle beetle
0
Stonefly
1
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
1
Crayfish
3
Damselfly
0
Dragonfly
1
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
2
Blackfly
0
Leech
0
Midge
1
Snail
2
Mosquito larva
1
Tolerant total
4