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West Olalla Creek

Macroinvertebrate data: 05-19-2016



School: Toledo High School

Date and time: May 19, 2016, 8:45 a.m.

Water quality: Poor

Number of people sorting/identifying: 2

Water type: pool

Time spent sorting/identifying: 15 minutes

Weather:

Percent EPT: 0.00%

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

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