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SE Belmont

Macroinvertebrate data: 08-23-2010



School: Black Butte Elementary School

Date and time: Aug. 23, 2010, 11:34 a.m.

Water quality: Excellent

Number of people sorting/identifying: 3

Water type: pool

Time spent sorting/identifying: 30 minutes

Weather:

Percent EPT: 27.03%

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

Field notes: test notes here

Sensitivity to pollution
Sensitive
Count
Caddisfly
1
Mayfly
3
Riffle beetle
2
Stonefly
6
Water penny
4
Dobsonfly
5
Sensitive total
18
Somewhat Sensitive
Count
Clam/mussel
1
Crane fly
0
Crayfish
3
Damselfly
2
Dragonfly
0
Scud
1
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
8
Tolerant
Count
Aquatic worm
2
Blackfly
1
Leech
0
Midge
2
Snail
0
Mosquito larva
4
Tolerant total
4