Winooski River - Tier 2 Report - Lindsey Halman, 10/25/16

Physical Parameters Assessment

Investigator Name(s):

Lindsey Halman - Essex Middle School

Collection Date & Time:

Tuesday, October 25, 2016 - 1:00pm

School:

Essex Edge Academy - Essex Middle School

Watershed:

Lake Champlain Direct & Grand Isle Basins

River:

Winooski River

Monitoring Site:

Field Behind School

Site Description:

Essex Middle School Campus

Surrounding Development or Land Use:

Farm

Park

Forest

Road Along Bank

Do you see any pipes entering into the river?:

Is there a water treatment plant upstream?:

Canopy Cover:

51-75%

Water Appearance:

Clear

Water Odor:

Odorless

Average Embeddedness:

0-25%

Weather

Present:

Overcast

Past 48 Hours:

Steady Rain

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:

12.00cm

Chemical Assessment

Average Temperature:

6.00°C

Average pH:

5.20

Average Orthophosphate PO4-3:

0.09mg/L

Average Dissolved Oxygen:

11.00mg/L

Stream Habitat Assessment

Streambed Composition:

Mostly silt (0)

Streambank Stability:

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

Deepest pool is at least:

Ankle deep (0)

Velocity:

Slow – hardly any flow (0)

Riparian Vegetation:

No vegetation (0)

Riparian Vegetative Zone Width:

No buffer zone (0)

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)

Riffle Beetle:

# of Taxa:

PT Group 2 (Moderately Intolerant)

Damselfly Nymph:

Cranefly Larvae:

# of Taxa:

PT Group 3 (Fairly Tolerant)

# of Taxa:

PT Group 4 (Very Tolerant)

# 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:

22.00