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Bear Creek

Macroinvertebrate data: 10-25-2017



School: Enterprise High School

Date and time: Oct. 25, 2017, 9:30 a.m.

Water quality: Fair

Number of people sorting/identifying: 4

Water type:

Time spent sorting/identifying: 20 minutes

Weather: clear

Percent EPT: 82.61%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
8
Mayfly
15
Riffle beetle
1
Stonefly
15
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
5
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
1
Snail
1
Mosquito larva
0
Tolerant total
2