chevron_left Back to Packsaddle County Park
Packsaddle County Park
Macroinvertebrate data: 09-15-2021
School: Silvies River Charter School
Date and time: Sept. 15, 2021, 12:15 p.m.
Water quality: Excellent
Number of people sorting/identifying: 14
Water type: pool
Time spent sorting/identifying: 160 minutes
Weather: sunny / cloudy
Percent EPT: 42.11%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
6 |
Mayfly
|
6 |
Riffle beetle
|
1 |
Stonefly
|
4 |
Water penny
|
0 |
Dobsonfly
|
1 |
| Sensitive total |
15 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
0 |
Crane fly
|
0 |
Crayfish
|
0 |
Damselfly
|
0 |
Dragonfly
|
0 |
Scud
|
0 |
Fishfly
|
1 |
Alderfly
|
2 |
Mite
|
10 |
|
Somewhat sensitive total |
6 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
1 |
Blackfly
|
0 |
Leech
|
0 |
Midge
|
0 |
Snail
|
5 |
Mosquito larva
|
1 |
|
Tolerant total |
3 |