Raw Biological Data for Rappahannock River at Route 608 West (F-6)

Cycle

Avg. Width (ft)

Avg. Depth (in)

Flow Rate

Temp (°F)

Collection Time (sec)

Worms

Flatworms

Leeches

Crayfish

Sowbugs

Scuds

Stoneflies

Mayflies

Dragonflies Damselflies

Hellgrammites Fishflies Alderflies

Net-spinning Caddisflies

Most Caddisflies

Beetles

Midges

Black Flies

Most True Flies

Gilled Snails

Lunged Snails

Clams

Other

Total

Index Value

Ecological Condition

Spring 02

45

6 to 8

low

70.5

60

1

0

0

0

0

0

65

132

0

0

2

1

3

23

4

0

0

0

5

0

236

10

Acceptable

Summer 02

30

8

low

64.4

80

65

0

1

0

0

0

5

31

3

2

30

10

9

44

0

0

0

1

56

0

257

5

Unacceptable

Fall 02

25

6

low

50

240

23

0

0

0

0

0

0

5

1

2

9

0

8

0

0

3

1

1

244

0

297

3

Unacceptable
Summer 03 water too high  
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