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South Santiam
Macroinvertebrate data: 09-21-2017
School: Liberty Elementary School (Tillamook)
Date and time: Sept. 21, 2017, 11 a.m.
Water quality: Good
Number of people sorting/identifying: 11
Water type: pool
Time spent sorting/identifying: 30 minutes
Weather: cloudy
Percent EPT: 14.29%
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 |
1 |
Riffle beetle |
5 |
Stonefly |
1 |
Water penny |
0 |
Dobsonfly |
0 |
Sensitive total |
12 |
Somewhat Sensitive
Count | |
---|---|
Clam/mussel
|
0 |
Crane fly
|
4 |
Crayfish
|
2 |
Damselfly
|
0 |
Dragonfly
|
1 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
Somewhat sensitive total |
6 |
Tolerant
Count | |
---|---|
Aquatic worm
|
1 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
1 |
Snail
|
4 |
Mosquito larva
|
0 |
Tolerant total |
3 |