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Enterprise Marr Pond Site

Macroinvertebrate data: 11-03-2010



School: Enterprise High School

Date and time: Nov. 3, 2010, 10:52 a.m.

Water quality: Good

Number of people sorting/identifying: 6

Water type: riffle

Time spent sorting/identifying: 25 minutes

Weather:

Percent EPT: 95.10%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
200
Mayfly
13
Riffle beetle
0
Stonefly
20
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
5
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
5
Blackfly
0
Leech
0
Midge
1
Snail
1
Mosquito larva
0
Tolerant total
3