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Enterprise Marr Pond Site

Macroinvertebrate data: 10-11-2017



School: Enterprise High School

Date and time: Oct. 11, 2017, 9:55 a.m.

Water quality: Excellent

Number of people sorting/identifying: 8

Water type: riffle

Time spent sorting/identifying: 20 minutes

Weather:

Percent EPT: 78.82%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
59
Mayfly
3
Riffle beetle
1
Stonefly
5
Water penny
0
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
1
Crayfish
1
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
1
Somewhat sensitive total
6
Tolerant
Count
Aquatic worm
10
Blackfly
0
Leech
0
Midge
3
Snail
1
Mosquito larva
0
Tolerant total
3