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Oak Heights Salmon Watch

Macroinvertebrate data: 09-29-2017



School: Oak Heights Elementary School

Date and time: Sept. 29, 2017, 9:45 a.m.

Water quality: Fair

Number of people sorting/identifying: 12

Water type: riffle

Time spent sorting/identifying: 30 minutes

Weather: rainy

Percent EPT: 64.71%

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

Sensitivity to pollution
Sensitive
Count
Caddisfly
0
Mayfly
4
Riffle beetle
1
Stonefly
7
Water penny
1
Dobsonfly
0
Sensitive total
12
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
0
Crayfish
0
Damselfly
2
Dragonfly
0
Scud
0
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
2
Tolerant
Count
Aquatic worm
1
Blackfly
0
Leech
0
Midge
1
Snail
0
Mosquito larva
0
Tolerant total
2