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REALMS Tumalo Creek Study Site 1 (Upstream)
Macroinvertebrate data: 11-04-2025
School: Realms (rimrock Expeditionary Alternative Learning Middle School)
Date and time: Nov. 4, 2025, 11 a.m.
Water quality: Fair
Number of people sorting/identifying: 8
Water type: riffle
Time spent sorting/identifying: 60 minutes
Weather: Cloudy post rain
Percent EPT: 97.01%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
22 |
Mayfly
|
78 |
Riffle beetle
|
0 |
Stonefly
|
95 |
Water penny
|
0 |
Dobsonfly
|
0 |
| Sensitive total |
9 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
6 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
0 |
Alderfly
|
0 |
Mite
|
0 |
|
Somewhat sensitive total |
2 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
0 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
0 |
Mosquito larva
|
0 |
|
Tolerant total |
0 |