Winooski River - Ralph Hylind, 10/16/13

General Info

Investigator Name(s): 

NOVA team Camels Hump Middle School

Collection Date & Time: 

Wednesday, October 16, 2013 - 8:30am

Present: 

Overcast

School: 

Camel's Hump Middle School

Watershed: 

Winooski Basin

River: 

Winooski River

Monitoring Site: 

.5 south of Cochran Rd. fishing access in Richmond

Latitude: 

44.230000

Longitude: 

-72.570000

Physical Assessment

Embeddedness: 

26-50%

Relative Flow Patterns: 

Slow-Deep

Water Odor: 

Odorless

Water Appearance: 

Clear

Is there a water treatment plant upstream?: 

Yes

Do you see any pipes entering into the river?: 

No

Appox. Channel Width: 

84.00ft

Avg. Depth: 

1.00ft

Current Velocity: 

1.00ft/sec

River Bottom Composition

Bedrock: 

1%

Boulders: 

5%

Cobble: 

45%

Sand, Silt, Clay: 

45%

Organic Matter (leaves, fallen twigs): 

5%

Algal Growth

Bottom covered by algae: 

25%

Bank Vegetation

Left bank: 

50%

Right bank: 

30%

Riparian Vegetation Zone

Left bank: 

5ft

Right bank: 

15ft

Overhead Canopy

Canopy Cover: 

2%

Turbidity

Avg. Turbidity: 

105NTU

Biotic Assessment

PT Group 1 (Intolerant)

Enter the number of each observed

Stonefly Nymph: 

6

Mayfly Nymph: 

8

Caddis Fly Larvae: 

5

Dobsonfly Larvae: 

3

Riffle Beetle: 

7

Water Penny: 

4

PT Group 2 (Moderately Intolerant)

Enter the number of each observed

Dragonfly Nymph: 

3

Crayfish: 

3

PT Group 3 (Fairly Tolerant)

Enter the number of each observed

Leech: 

3

Pollution Tolerance Index Rating

= 4*(Total # in PT Group 1) + 3*(Total # in PT Group 2) + 2*(Total # in PT Group 3) + 1*(Total # in PT Group 4)

23+ (Excellent)
17-22 (Good)
11-16 (Fair)
10 > (Poor)

PT Index Rating: 

33.0

Other Biological Indicators

Native Mussels

Aquatic Plants

Chemical Assessment

Temperature

Avg. Temp.: 

53°F

pH

Avg. pH: 

7.5

Orthophosphate PO4-3: 

0.01mg/L

Dissolved Oxygen: 

9mg/L