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Seven Oak Salmon Watch, Sater

Macroinvertebrate data: 09-28-2017



School: Seven Oak Middle School

Date and time: Sept. 28, 2017, 1:30 p.m.

Water quality: Fair

Number of people sorting/identifying: 10

Water type: pool

Time spent sorting/identifying: 45 minutes

Weather: sunny

Percent EPT: 31.25%

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
2
Riffle beetle
0
Stonefly
2
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
1
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
0
Blackfly
0
Leech
4
Midge
0
Snail
5
Mosquito larva
1
Tolerant total
3