Winooski River - Holly Kreiner, 06/30/14

General Info

Investigator Name(s): 

North Branch Nature Center "Summer Scientists"

Collection Date & Time: 

Monday, June 30, 2014 - 1:00pm

Present: 

Showers

School: 

North Branch Nature Center

Watershed: 

Winooski Basin

River: 

Winooski River

Monitoring Site: 

Dog River in Berlin, VT

Latitude: 

44.222113

Longitude: 

-72.622263

Physical Assessment

Embeddedness: 

0-25%

Relative Flow Patterns: 

Slow-Shallow

Water Odor: 

Odorless

Water Appearance: 

Clear

Surrounding Development or Land Use: 

Farm

Residential

Is there a water treatment plant upstream?: 

Yes

Do you see any pipes entering into the river?: 

No

Appox. Channel Width: 

54.00ft

Avg. Depth: 

0.57ft

Current Velocity: 

2.75ft/sec

River Bottom Composition

Bedrock: 

0%

Boulders: 

0%

Cobble: 

40%

Sand, Silt, Clay: 

55%

Organic Matter (leaves, fallen twigs): 

5%

Algal Growth

Bottom covered by algae: 

5%

Bank Vegetation

Left bank: 

95%

Right bank: 

75%

Riparian Vegetation Zone

Left bank: 

5ft

Right bank: 

5ft

Overhead Canopy

Canopy Cover: 

5%

Turbidity

Avg. Turbidity: 

120NTU

Biotic Assessment

PT Group 1 (Intolerant)

Enter the number of each observed

Stonefly Nymph: 

1

Mayfly Nymph: 

1

Caddis Fly Larvae: 

1

Water Penny: 

1

PT Group 2 (Moderately Intolerant)

Enter the number of each observed

Dragonfly Nymph: 

1

Cranefly Larvae: 

1

PT Group 3 (Fairly Tolerant)

Enter the number of each observed

Midges: 

1

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: 

28.0

Chemical Assessment

Temperature

Avg. Temp.: 

66°F

pH

Avg. pH: 

6.0

Orthophosphate PO4-3: 

0.04mg/L

Dissolved Oxygen: 

10mg/L