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Bear Creek

Macroinvertebrate data: 10-30-2012



School: Enterprise High School

Date and time: Oct. 30, 2012, 10:50 a.m.

Water quality: Good

Number of people sorting/identifying: 2

Water type: pool

Time spent sorting/identifying: 10 minutes

Weather:

Percent EPT: 92.42%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
4
Mayfly
31
Riffle beetle
0
Stonefly
26
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
2
Alderfly
1
Mite
0
Somewhat sensitive total
4
Tolerant
Count
Aquatic worm
1
Blackfly
0
Leech
0
Midge
0
Snail
1
Mosquito larva
0
Tolerant total
2