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Salmon River #1

Macroinvertebrate data: 09-24-2010



School: Madison High School

Date and time: Sept. 24, 2010, 1:38 p.m.

Water quality: Good

Number of people sorting/identifying: 4

Water type: pool

Time spent sorting/identifying: 10 minutes

Weather:

Percent EPT: 75.00%

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

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