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Toledo Elementary Stream

Macroinvertebrate data: 03-04-2013



School: Toledo Elementary School

Date and time: March 4, 2013, 11:25 a.m.

Water quality: Good

Number of people sorting/identifying: 5

Water type: riffle

Time spent sorting/identifying: 45 minutes

Weather:

Percent EPT: 65.00%

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

Field notes: There was live fish in the stream.

Sensitivity to pollution
Sensitive
Count
Caddisfly
9
Mayfly
6
Riffle beetle
0
Stonefly
11
Water penny
0
Dobsonfly
0
Sensitive total
9
Somewhat Sensitive
Count
Clam/mussel
0
Crane fly
1
Crayfish
0
Damselfly
0
Dragonfly
0
Scud
9
Fishfly
0
Alderfly
0
Mite
0
Somewhat sensitive total
4
Tolerant
Count
Aquatic worm
2
Blackfly
0
Leech
0
Midge
1
Snail
1
Mosquito larva
0
Tolerant total
3