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Bald Hill Farm- Mulkey Creek

Macroinvertebrate data: 05-05-2016



School: Adams Elementary School (Corvallis)

Date and time: May 5, 2016, 12:05 a.m.

Water quality: Fair

Number of people sorting/identifying: 4

Water type: riffle

Time spent sorting/identifying: 35 minutes

Weather:

Percent EPT: 12.50%

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
0
Riffle beetle
0
Stonefly
1
Water penny
0
Dobsonfly
0
Sensitive total
6
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
3
Leech
0
Midge
0
Snail
25
Mosquito larva
0
Tolerant total
2