Winooski River - Brian Slopey, 09/24/13

General Info

Investigator Name(s):

U-32 3 E-Coli = 88.5

Collection Date & Time:

Tuesday, September 24, 2013 - 10:00am

Present:

Clear/Sunny

School:

U32 High School

Watershed:

Winooski Basin

River:

Winooski River

Monitoring Site:

Site 4

Latitude:

44.140000

Longitude:

-72.310000

Physical Assessment

Embeddedness:

26-50%

Relative Flow Patterns:

Fast-Deep

Water Odor:

Odorless

Water Appearance:

Tea-colored

Clear

Surrounding Development or Land Use:

Farm

Is there a water treatment plant upstream?:

Yes

Do you see any pipes entering into the river?:

Appox. Channel Width:

30.00ft

Avg. Depth:

1.30ft

Current Velocity:

2.10ft/sec

River Bottom Composition

Bedrock:

Boulders:

50%

Cobble:

20%

Sand, Silt, Clay:

20%

Organic Matter (leaves, fallen twigs):

Algal Growth

Bottom covered by algae:

50%

Bank Vegetation

Left bank:

Right bank:

30%

Riparian Vegetation Zone

Left bank:

30ft

Right bank:

2 000ft

Overhead Canopy

Canopy Cover:

30%

Turbidity

Avg. Turbidity:

6NTU

Biotic Assessment

PT Group 1 (Intolerant)

Enter the number of each observed

Stonefly Nymph:

Mayfly Nymph:

Caddis Fly Larvae:

Dobsonfly Larvae:

Riffle Beetle:

Water Penny:

Right-Handed Snail:

PT Group 2 (Moderately Intolerant)

Enter the number of each observed

Damselfly Nymph:

Dragonfly Nymph:

Sowbug:

Scud:

Cranefly Larvae:

Clams/Mussels:

Crayfish:

PT Group 3 (Fairly Tolerant)

Enter the number of each observed

Midges:

Black Fly Larvae:

Planaria:

Leech:

PT Group 4 (Very Tolerant)

Enter the number of each observed

Left-Handed Snail:

Aquatic Worms:

Blood Midge:

Rat-Tailed Maggot:

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

Trial 1:

55°F

Trial 2:

55°F

Avg. Temp.:

55°F

pH

Trial 1:

7.0

Trial 2:

7.0

Avg. pH:

7.0

Orthophosphate PO4-3:

0.07mg/L

Dissolved Oxygen:

9mg/L

Lake Champlain Sea Grant

Winooski River - Brian Slopey, 09/24/13

Error message

River Bottom Composition

Algal Growth

Bank Vegetation

Riparian Vegetation Zone

Overhead Canopy

Turbidity

PT Group 1 (Intolerant)

PT Group 2 (Moderately Intolerant)

PT Group 3 (Fairly Tolerant)

PT Group 4 (Very Tolerant)

Pollution Tolerance Index Rating

Temperature

pH