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Crowley Creek
Macroinvertebrate data: 05-09-2017
School: Taft High School
Date and time: May 9, 2017, 2:32 p.m.
Water quality: Excellent
Number of people sorting/identifying: 12
Water type: riffle
Time spent sorting/identifying: 60 minutes
Weather:
Percent EPT: 21.43%
Note: EPT is the total number of caddisflies, mayflies, and stoneflies found divided by number of all bugs
Sensitivity to pollution
Sensitive
| Count | |
|---|---|
Caddisfly
|
3 |
Mayfly
|
3 |
Riffle beetle
|
3 |
Stonefly
|
3 |
Water penny
|
3 |
Dobsonfly
|
3 |
| Sensitive total |
18 |
Somewhat Sensitive
| Count | |
|---|---|
Clam/mussel
|
2 |
Crane fly
|
2 |
Crayfish
|
2 |
Damselfly
|
2 |
Dragonfly
|
2 |
Scud
|
2 |
Fishfly
|
2 |
Alderfly
|
2 |
Mite
|
2 |
|
Somewhat sensitive total |
18 |
Tolerant
| Count | |
|---|---|
Aquatic worm
|
1 |
Blackfly
|
1 |
Leech
|
1 |
Midge
|
1 |
Snail
|
1 |
Mosquito larva
|
1 |
|
Tolerant total |
6 |