Raw Biological Data for the ROBINSON RIVER at Route 614 (C-13)

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 01

50

18

normal

44.5

40

2

0

0

0

0

0

21

168

2

0

52

1

13

26

3

10

0

0

0

0

298

11

Acceptable

Summer 01

50

12

normal

69

20

0

0

0

0

0

0

1

37

1

5

46

11

34

12

268

1

0

0

2

5

423

8

Acceptable

Fall 01

50

8

normal

50

40

0

0

0

0

0

0

10

12

0

1

125

55

27

4

3

2

0

2

30

1

272

7

Acceptable

Winter 02

50

12

normal

40

20

11

3

0

0

0

0

43

42

0

0

41

0

0

30

1

2

0

0

43

1

217

8

Acceptable

Spring 02

60

18

normal

58

70

5

3

0

0

0

0

36

108

11

0

37

2

17

50

1

18

1

0

9

0

298

10

Acceptable

Summer 02

18

4

low

69.8

30

2

13

0

0

0

0

10

40

1

7

58

4

123

21

0

0

0

0

17

0

296

10

Acceptable
Summer 03 40 n/d high 68 water too high  
Return to C-13     n/d = No data