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Bear Creek

Macroinvertebrate data: 10-05-2016



School: Enterprise High School

Date and time: Oct. 5, 2016, 5:11 p.m.

Water quality: Good

Number of people sorting/identifying: 5

Water type: riffle

Time spent sorting/identifying: 20 minutes

Weather:

Percent EPT: 78.21%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
10
Mayfly
18
Riffle beetle
0
Stonefly
33
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
5
Crayfish
1
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
5
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
6
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1