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Bald Hill Farm- Mulkey Creek

Macroinvertebrate data: 05-04-2016



School: Adams Elementary School (Corvallis)

Date and time: May 4, 2016, 12:42 p.m.

Water quality: Poor

Number of people sorting/identifying: 4

Water type: pool

Time spent sorting/identifying: 35 minutes

Weather:

Percent EPT: 9.09%

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
0
Riffle beetle
0
Stonefly
0
Water penny
0
Dobsonfly
0
Sensitive total
3
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
0
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
1
Snail
19
Mosquito larva
0
Tolerant total
2