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Bear Creek

Macroinvertebrate data: 10-30-2012



School: Enterprise High School

Date and time: Oct. 30, 2012, 10 a.m.

Water quality: Good

Number of people sorting/identifying: 2

Water type: riffle

Time spent sorting/identifying: 15 minutes

Weather:

Percent EPT: 58.82%

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
8
Riffle beetle
0
Stonefly
12
Water penny
0
Dobsonfly
0
Sensitive total
6
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
4
Crayfish
0
Damselfly
5
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
4
Tolerant
Count
Aquatic worm
3
Blackfly
0
Leech
0
Midge
1
Snail
1
Mosquito larva
0
Tolerant total
3