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Wiley Creek State Park

Macroinvertebrate data: 09-25-2014



School: Oregon State University

Date and time: Sept. 25, 2014, 12:15 p.m.

Water quality: Good

Number of people sorting/identifying: 19

Water type: pool

Time spent sorting/identifying: 25 minutes

Weather:

Percent EPT: 41.10%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
6
Mayfly
24
Riffle beetle
0
Stonefly
0
Water penny
34
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
1
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
0
Snail
7
Mosquito larva
1
Tolerant total
2