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Wiley Creek State Park

Macroinvertebrate data: 09-24-2015



School: Oregon State University

Date and time: Sept. 24, 2015, 9:30 a.m.

Water quality: Fair

Number of people sorting/identifying: 13

Water type: riffle

Time spent sorting/identifying: 45 minutes

Weather:

Percent EPT: 83.33%

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

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