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Joseph Prairie Creek

Macroinvertebrate data: 10-09-2013



School: Enterprise High School

Date and time: Oct. 9, 2013, 12:15 p.m.

Water quality: Excellent

Number of people sorting/identifying: 3

Water type: riffle

Time spent sorting/identifying: 35 minutes

Weather:

Percent EPT: 61.22%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
37
Mayfly
3
Riffle beetle
5
Stonefly
20
Water penny
0
Dobsonfly
4
Sensitive total
15
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
1
Dragonfly
0
Scud
1
Fishfly
0
Alderfly
0
Mite
8
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
13
Blackfly
1
Leech
0
Midge
2
Snail
3
Mosquito larva
0
Tolerant total
4