Winooski River - Tier 2 Report - Jenny Magoon, 05/13/16

Physical Parameters Assessment

Investigator Name(s):

Team Vivace (Browns River)

Collection Date & Time:

Friday, May 13, 2016 - 8:30am

School:

Browns River Middle School

Watershed:

Lamoille Basin

River:

Winooski River

Monitoring Site:

Browns River

Site Description:

The Browns River is located between Mills Riverside Park and Browns River Middle School in Jericho, VT. One side of the bank is steep and eroded, while the other side is wide with cobble and gravel.

Surrounding Development or Land Use:

Farm

Park

Residential

Forest

Crops

Do you see any pipes entering into the river?:

Is there a water treatment plant upstream?:

Canopy Cover:

0-25%

Water Appearance:

Clear

Water Odor:

Odorless

Average Embeddedness:

26-50%

Average Velocity:

1.08m/s

Physical Summary:

The weather was sunny with some cloud cover. The water was extremely clear, measuring over the height of the water column (120 cm).

Exact Location

Latitude:

44.52

Longitude:

-72.95

Weather

Present:

Clear/Sunny

Past 48 Hours:

Clear/Sunny

Overcast

Average Transparency/Turbidity

No Impact: >60 cm - 17cm = 0-50 ntu
Possible Impact: 17 - 8cm = 65-150 ntu
Impacted: 8 - < 6 cm = >150 ntu

Height of Water Column:

120.00cm

Turbidity:

0.00NTU

Chemical Assessment

Average Temperature:

14.00°C

Average pH:

6.00

Average Orthophosphate PO4-3:

0.04mg/L

Average Dissolved Oxygen:

10.00mg/L

Stream Habitat Assessment

Streambed Composition:

Mixture of cobbles, gravels, and sand (3)

Streambank Stability:

Moderately stable banks – some areas of erosion visible (1)

Deepest pool is at least:

Chest deep (3)

Velocity:

Fast – quickly takes objects downstream (2)

Riparian Vegetation:

Mixture of trees, shrubs, and grasses (3)

Riparian Vegetative Zone Width:

Buffer zone is between 50 and 100 feet (2)

Streambed Cover

Rock ledges:

Submerged logs, stumps, or tree roots:

Large rocks:

Artificial objects:

Other:

Stream Habitat Quality Score

Calculated by adding all of the points from the above fields.

18-22 (Excellent)
11-17 (Good)
6-10 (Fair)
0-5 (Poor)

Stream Habitat Quality Score for This Report:

Biological Assessment

PT Group 1 (Intolerant)

Stonefly Nymph:

Mayfly Nymph:

Caddis Fly Larvae:

Dobsonfly Larvae:

# of Taxa:

PT Group 2 (Moderately Intolerant)

Dragonfly Nymph:

Cranefly Larvae:

# of Taxa:

PT Group 3 (Fairly Tolerant)

# of Taxa:

PT Group 4 (Very Tolerant)

Aquatic Worms:

# of Taxa:

Pollution Tolerance Index Rating

Calculated as follows:
4*(# of Taxa in PT Group 1) + 3*(# of Taxa in PT Group 2) + 2*(# of Taxa in PT Group 3) + 1*(# of Taxa in PT Group 4)

23+ (Excellent)
17-22 (Good)
11-16 (Fair)
0-10 (Poor)

PTI Rating for This Report:

23.00

Other Biological Indicators

Aquatic Plants