Stream Quality Index Calculator: Northern Kentucky University, Greater Cincinnati Region

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Intolerant	Moderately Tolerant	Fairly Tolerant	Very Tolerant
Stonefly Nymph Mayfly Nymph Caddisfly Larvae Dobsonfly Larvae Riffle Beetle Water Penny Right-handed Snail	Damselfly Nymph Dragonfly Nymph Sowbug Scud Crane Fly Larvae Clams Mussels Crayfish	Midges Black Fly Larvae Planaria Leech	Left-handed Snail Aquatic Worms Blood Midge Rat-tailed Maggot
# of taxa	# of taxa	# of taxa	# of taxa

Weighting Factors:


Cumulative Index Value:

23 or more	Excellent
17-22	Good
11-16	Fair
10 or less	Poor