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Bear Creek

Macroinvertebrate data: 11-06-2013



School: Enterprise High School

Date and time: Nov. 6, 2013, 2:30 p.m.

Water quality: Good

Number of people sorting/identifying: 3

Water type: riffle

Time spent sorting/identifying: 15 minutes

Weather:

Percent EPT: 67.74%

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
16
Riffle beetle
4
Stonefly
16
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
5
Crayfish
0
Damselfly
1
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
2
Mite
0
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
8
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1