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Bear Creek

Macroinvertebrate data: 10-15-2014



School: Enterprise High School

Date and time: Oct. 15, 2014, 12:20 p.m.

Water quality: Good

Number of people sorting/identifying: 7

Water type: riffle

Time spent sorting/identifying: 25 minutes

Weather:

Percent EPT: 81.43%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
26
Mayfly
14
Riffle beetle
3
Stonefly
17
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
6
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
4
Blackfly
0
Leech
0
Midge
0
Snail
0
Mosquito larva
0
Tolerant total
1