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Joseph Prairie Creek

Macroinvertebrate data: 10-24-2011



School: Enterprise High School

Date and time: Oct. 24, 2011, 11 a.m.

Water quality: Good

Number of people sorting/identifying: 10

Water type: pool

Time spent sorting/identifying: 15 minutes

Weather:

Percent EPT: 56.25%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
1
Mayfly
3
Riffle beetle
0
Stonefly
5
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
1
Damselfly
0
Dragonfly
0
Scud
1
Fishfly
0
Alderfly
1
Mite
0
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
0
Midge
1
Snail
3
Mosquito larva
0
Tolerant total
2